I Could Patent This - A 100% Compliant Mechanism That's Actually Useful
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- Опубліковано 5 лют 2025
- Proving that iteration makes perfect, I spent a few more days designing and printing a broom wall mount mechanism. It's now a 2 part compliant mechanism. The design is now better than the current options for sale. My previous video on the subject: • Designing & Printing a...
Printable and editable files are located here: thangs.com/des...
Chris' video about Flexures and Uploading to Thangs: • Bistable Compliant Mec...
We actually have that thing as a product here in Germany. The green flexible part is made out of a stiff silicon part, and it has additional nubs there, to hold on to anything you push in there.
Toolflex steelklem for example
3M Broom Gripper
@@bertvanlange6155 the idea though is that it doesn't have the hinges which is that patented idea. He specifically states this in the beginning of the video
Edit: 1:20
Yeah Sweden is filled with 'em as well
In Germany it’s “würth stielhalter”
Next video title. “I couldn’t afford to defend my patent.”
Patent wars is a rich man's game
inventors digest said patent infringement battles cost upward to 1.5million
And also, it's in the public domain now... so uh, you can't patent it. Keep it secret if you intend to patent something!!
😂 so true
Except it already exists. Prior art and commercial availability will prevent you from patenting this as there is not a substantial change to form or function.... still cool design + Print
They all use hinges, he specifically said that he wanted to design it without hinges. Instead of spreading misinformation you could have linked the part that does exactly this hingless design. But I am pretty sure that DPT is right and this version does not exist at all.
@@malloott flexure gripping mechanisms are very common in the robotics industry. But I think the point is mute anyways, as such an easily cloneable item would be eaten up for production in Asia the second any profitability is determined.
The most effective way of capitalizing on the invention/iteration is to provide the .step/.f3d/etc. files and challenge viewers to send their variants to test grip strength/durability. Engage audience, gain repeat views, get companies to sponsor content using different filament and materials. Easy.
He could get a weak patent. It has been awhile since I have seen a patent application rejected.
@@malloott they do not. A quick search for youself for rubber broom mount will show a 2 pc mount ft flexible rubber insert sans hinge
@@LastV8Interceptors would be useless if weak as any inforcement attempts would be thrown out. :(
this bi-stable mechanism has been around in the academic compliant mechanism community for a few years but mainly in nanometer scale
Last 6 weeks you really are shooting for the moon content wise, keep it up!
Seconded! :))
Love seeing the process and the failures.
Shows how much work can go into the simplest objects!
Definitely agree a simple design is much more difficult and deceiving to achieve! Nice job on going the extra length to make it a simple masterpiece!
I use a nail in the wall to hold up my broom. There's even a hole in the handle of the broom for a nail to go through.
But, you have to look at the nail and line up the hole. Way too much effort. The nail idea will never catch on. I wonder what that hole is really for 😆
Better than injection molding is extrusion profiles.
And remeber "online one change at a time" for Iteration
Thought the same, this way it can be produced for cents
You're exceeding the elastic limit of the plastic at that living hinge. Mark a small dot or square on it, then actuate it to see how much the mark stretches out. Basically you want it to bend less sharply, which could maybe be done by moving the anchor from the inside of the fork to the outside.
You could make a guitar wall holder, or create miniature ones that can be used to mount artwork on walls
I wonder how well it would work with the added width it would have to be for the guitar.
It doesn’t just have to be for brooms. I could see a rack of these being useful in a garage for shovels and rakes and stuff
Or anything where you want to hang something but grab it easily
I have been using mine in the garage for a few years..
Got it at home depot.😂
I love your illustration of the process of making this. Recording in and of itself ensures valuable product thanks
I know what you're doing. You're trying to manipulate me by stroking my ego. You think that if you build up a couple of months of positive accolades and then if I start to speak about Prusa you take away those comments that will work to manipulate my behavior.
You're wondering why I know this very positive comment is not genuine. I'm an honest man. I especially don't lie to myself. I know what I am and I know what I'm not. So your lies positive or negative don't work on me. I seriously think 90% of my comments come from your team. I'm thinking I'm going to shut my comments off all together. Or maybe this is all misunderstanding and you really are trying to help me. In which case I sincerely thank you. You have to understand I'm being hunted and I have enemies so I apologize for confusing you for them. Would you do me a favor and make a quick video showing me your face and letting me hear your voice?. Have a great day!
Might be a idea to print just a mold for silicone. It might keep it's shape...
I have 1 simple solution in my house for that. Remove the flexible part, uses 2 rubber wheels (cilindical) 1 on each pin. It will work 100% of the times as they dont need to reset because they are simetrical. The yellow part bend a little bit each time you use it, but it last forever.
That is a great solution! Thanks for sharing.
technically its not a 100% compliant mechanism, thats probably why there are 47 downvotes. They could find literally nothing else wrong with your perfect video
The video i commented on a few minutes ago was yeah... lets say 1month old. but seeing the newer videos. I see this channel is going to be leaning towards the positive side. Keep it up. keep doing this kind of stuff even IF you use ideas from other people. nothing is original anymore, and gets even harder every day. Keep on going stay away from "bashing"/"drama" the community. keep criticizing companies and their "engineers".'
Check your like/dislike ratio of the videos. gets better and better more positive. Keep it up.
Kudos, very helpful, although maybe not original entirely, but man, it's super helpful a mechanism to know in the back of your head.
I'm excited to see this, these technical videos are my favorite
Bro this is not silly this is a genius invention 😂😂😂🎉🎉🎉
You could cast the flexible portion. You'll just need to keep in mind that shrinkage.
Naw dude, two shot injection molding is prior art. I used to design the molds for injection molding.
I can think of a few part designs I've seen from a few large corperations, that are essentially same design by injection molding using TPU/PCABS. The difference in this case might be the method of manufacture to distinguish the IP for patent.
Good idea, but old idea.
I'm amused by comments such as this . You guy(s) have a mandate from your boss who can't come up with an original idea to save his life. He hates people who are better than him at this skill. That's why he had to tear down JBV Creative on camera. He knows he's a parasite taking other people's ideas because he can't generate them himself. He doesn't like being a parasite so he sends guys like you to try and make me feel the way he feels. But I'm the real deal so I don't feel the way he feels. I will never feel the way he feels. I have truth on my side. And the truth is that I can generate original ideas. To actually make me feel like the loser that he is you would need to invalidate my patent. Which is possible to do. It just requires a lawsuit .This broom holder was just a silly side project that I did for fun. My patent is the real value added that I'm proud of. You need to attack that if you actually want to get to me.
@@DesignPrototypeTest I'm amused at comments like this. That sounds tough, but you've got me pegged as someone else.
i'm just a regular guy, and I dont even work in injection molding anymore.
If patents cost 20-100K ish in lots of legal fees, and it's not my money that will get burned if I missed a few "prior arts" that weren't flushed out in the discovery phase.
Based on my experience, your technical edge may lie in the method of manufacture, not in the prior art or IP that is an adaptation of the living hinge.
But you mileage, and money, may vary.
Good luck on your patent!
Yeah, I guess I had you pegged for a different type of commenter (Prusa fanboy who hates me and just wants to tear down anything I say). You are not that, but it doesn't seem like you watched the video. Where I said that I'm not patenting this because I already have 1 languishing utility patent (Which I wrote myself by the way) and I'm not in the broom business. Instead you decided to leave a comment based on part of the information I presented where you are flexing about some job you had one time where you gained a little information about patenting injection molding production process stuff.
I agree there is nothing patentable about the production process for this design. The patent is the specific feature set: 2 part design made where half is made of a "hard" plastic and the other half is made of a "rubbery" plastic either assembled or overmolded into a single unit which has the illustrated functionality. No need to even mention the natural hinge. Although, if nothing else I could make the patent that specific. (The more specific a patent is the less valuable it is.) eg. Same funtionality as existing solution on the market except using a natural hinge instead of a pivot pin.
As is always the case the patent examiner will absolutely come back with the preliminary denial that the switch from a pivot pin to a natural hinge is "obvious." To which my lawyer would reply basically "If it's obvious then why are there multiple companies producing the more expensive (lower profit margin) version with the pivot pins? They should OBVIOUSLY be saving money and they aren't so it's not an obvious innovation.
The peanut gallery always thinks things are obvious in hindsight. It's really easy to make the leap of logic once someone else provides the answer for you.
Thank you sir. Very enjoyable and informative.... keep it up
So nice of you. You are welcome! :)
I like watching your reviews and take on 3d printed items and you are like my teacher on these subjects
This, is engineering at its purest.
I think you could do this in one piece. Out of the soft plastic but change the print properties for the areas that you normal print the hard plastic out of. For example you could modify the perimeter walls or infill but only for the area of where the hard part is
If only those outerside horns that have' ripple memory' could have a hard back bone of pla/petg/abs to help them reset. If I can find the cad, I would like to chuck a bit of time into this. Great work yet again, I think it's so important to have a balanced view of tech/ printers rather than reviews trying to sell the latest n greatest whilst glossing over the things which could be improved. Thanks once again
I'm 5 seconds in and my mind is just: "sheeeeesh, that's cool"
The reason it plastically deformed over night is due to "creep" it's a function of time and stress. It affects amorphous plastics much, much more than semi-crystalline.
You can mitigate the problem with a material change or a design change. What you'll need to do is find creep rupture charts for a given material. This will allow you to see when the material will fail for a given stress or strain vs time.
Personally the 3dp TPUs I have used have been very susceptible to creep.
Here's a fun test, hang a piece of pla and tpu filament and tie a weight on to each one. Mark their initial position and then come back and check it in a day, week or month. You'll see that they continue to stretch more and more even though the weight are below yield stress of the material.
the most exciting part of this design is how easily it could be manufactured, since both halves appear to be consistent 2d profiles you could extrude these by the thousands in no time flat and with minor tooling design since there's no internal holes to complicate tooling. You'd have to figure out a new mounting system though, maybe flat tabs coming from the sides?
The most intelligent comment on this video to date.
printed part and it works well, nice design and a easy print. (used petg for wallmount part, and tpu A82 for flex part)
my tpu has same memory issue. but it hold the broom in place.
I'd employ you, as any gear organizing company. Wall-mounted custom-cut foam and your holder would make sorting a breeze and a blast !
Thank you man. I hope you have an absolutely stellar day.
Ok. Bandai already figured out your injection molding issue. You can co-mold the piece as one unit. I believe they use either 2 different temp setting thermo-plasts, or 2 materials that don't bond to each other during setting. Bandai make these gundam plastic models, and many of they newer designs they have mechanically jointed parts and more onto single sprues. I would highly recommend you look into it. Adam savage does a Gundam build and discovers this.
Just realized this vid is two years old. Hope you got some movement on it.
Such a great comment! I didn't even think about that. This could be made in a single shot on an injection mold machine.
Now that it's in the public domain, no patent. Marius Hornberger has also made available quite a number of mounting widgets. Quite valuable, thanks. I don't think the inability to reset automatically actually reduces the usefulness of the design.
This is entirely false. Sharing it on UA-cam does not make an invention public domain. It is not novelty destructive, at least not yet. The inventor has a 6 month grace period, at least assuming he will file for a patent in the US, which makes sense here.
In addition, you have absolutely no way of knowing for sure whether or not the inventor has in fact filed for a patent before his video aired.
Please consider double checking your sources before you make absolute sounding statements like these.
Although I guess I cannot complain, being an IP lawyer myself.
Now that you published it, you cant't patent it. It needs to have "News value", which means it have not been publicly available info before.
Depends on the country
And it already exists
That isn't how this works, damn the misinformation in the comments here is real
@@malloott Haha these days everyone has a strong opinion on patents, yet knows nothing about them
@@samroesch oh yeah, and companies and investors are even worse, they will fund bullshit patents in a full market that will never hold in court and not fund great companies because of their lack of patents in a widely open market...
Alright, after these two videos, have my sub. Thanks for sharing this process!
Congratulations! Necessity, the mother of invention, has given you a wink. I think “apex” is a better word than “crotch” of the fork. 😄
@Matt, honestly it’s not just a broom handle holder. It could be used on any pole based tool.
Patentability after disclosure maybe possible in some country like usa? Within one year? Is my perception correct that while patentable you do not intend to patent it?
This is very interesting. I was just looking up Compliant Mechanism yesterday.
Great video 👍
Great design choices 👍
Great walkthrough of the design interaction!
Thanks for sharing your experience with all of us 👍😊
Tell me more about your rotating buckle bag thing
An extrusion might be better for your volume. Extrude it, cut it, assemble it, done. NRE is literally one magnitude lower in cost and volume is better suited for small business.
I paid $900 NRE for a project I worked on last year, at 3500ft they charged me $0.47/ft and at 20k ft they charged 0.$35/ft. US manufacturer too, I used VIP Plastics in Minden NV.
Yeah, I had exactly the same idea. The base could even be aluminium if so desired.
DPT: "I can patent this!"
CCP: "bring me my notepad"
to answer your question very simply:
if milwaulkee can patent lithium ion cells in a cordless power tool. then there is no bar too low, no level level of absolute total dross that is too low that cannot potentially be patented these days. the only thing that matters is to be 1st. but it usually takes thousands upon thousands of dollars, and an army of lawyers, attorneys, hired legal grunt. to keep on filing hundreds of speculative patents in and around a given specific area. each patent being just very slightly different to the other ones. then you sit back and wait to see which few ones the USPTO eventually upholds, lets thru the net. so that whole workflow resembles something a lot more akin 'going fishing' than doing something which is genuinely interesting or actually innovative
Pretty sure the milfuckee patent is regarding the electronics not li-ion cells
@@notme4083 nope not at all. It was well documented in the press during the time of the subsequent lawsuits. it was filed as US7554290B2 (2009) "a plurality of battery cells supported by the housing, the battery cells being capable of producing an average discharge current greater than or equal to approximately 20 amps, the battery cells having a lithium-based chemistry". The patent is set to expire 2023-11-24. Which will be much to the glee of all the other power tool mfrs (dewalt, makita, etc)... assuming ofc that it does not get extended 'somehow'. with whatever utterly shady mechanism such things gets decided. but i wouldn't know about that
You should check out the 3M version of this. unlike your design, it requires pins, but the printed, or injection molded geometry I think is key to making the optimal grip and release range. seems to have a lot to do with those two springs you're talking about. The inner springs should be under compression, while the outer springs should be under tension, and also isolated from each other as much as possible. Also the gripping force of the mechanism should only be active through about 30ish percent of the action, so the tendency is more toward release than grip.
Yes i believe 3M also producing same thing here.. detail of the mechanism I am not sure about.
that's amazing design and most amazing thing about it is ots simple
oh man, so pleasant content. It seems that you are enjoying your time, keep it up.
A bright mind shining trough dark times
Interesting. Besides the realized material creep at the end, I wondered how many open/close cycles the thin flexure point could withstand before failure? Do filament manufactures even produce fatigue data that can be used? That joint has a hard corner that bends the ‘filament’ back and forth 180 degrees. It also has to support the static weight of the broom in shear, and any off-angle impulse loads by the careless user (such as my wife who is completely oblivious to mechanisms0. But I gotta to say...... fantastic experiment. 👍😎👍
On Mar 16, 2013, the America Invents Act was fully implemented. Prior to this date the law provided legal patented ownership to the FIRST TO INVENT something; but after Mar 16, 2013 patent law provides rightful ownership to the FIRST TO FILE a patent application for it. Meaning, the FIRST person or entity to actually FILE for a patent is considered the rightful owner of said (patented) mechanism, despite it being "invented" by someone else. Though the fact that it has been disclosed to so many viewers (beyond the realm of reasonable product research) may have made it prior art and therefore unpatentable; at the very least it would prevent you from claiming foreign patent rights. Cool video though!
Yes, first is a thing. But prior art in the public sphere still negates patentability. If not think about all the historical things which were never patented that now I could be first to file and patent. I'm going to be rich!
Bravo! Very nice and simple design.
you have a very wise perspective on intellectual property and the youtube media machine. Your videos are quality over quantity and it really shows. Thanks for being a real one
Seth, Thank you man! I really appreciate this comment. Some days comments like this really hit me hard. Sorry I can't make more videos. I push myself as hard as I can. I have another channel if you really want to see more of me :) ua-cam.com/video/6NBqcXjuYWU/v-deo.html
A fast continuous production process would be to make two extrusions and cut them to length and punch hole/s. Even better would be to co-extrude the two materials.
I have never heard of plastic creep before until you just now mentioned it offhandedly, but also I'm not part of the 3D printing hobby, I just watch a lot of 3D printing videos.
Sounds like you "re-invented" this item, which is a perfectly respectable result. I have "invented" several simple items that I later discovered had been around for decades. It just validated my own design process, afaic.
I don't understand why so many people are triggered by this title and then they don't even bother to watch the video. If you had bothered to watch the video (which I spent hours and hours of my life making but you couldn't spend 5 minutes watching) You would have learned that I have a utility patent which I wrote myself and had granted by the USPTO. I'm fully cognizant of what is patentable and what is not. The natural hinge portion of this design is patentable. The overall functionality already exists. My improvement is vastly better from a manufacturability standpoint.
Did you try to enlarge the ear's exterior parts, in the last version, to compensate the force needed to open, when the memory fault increase? In my opinion, making holes on the walls for this things can become a usage discard motivation, so you have to think to an alternative solution to offer when this no no comes in.
Interesting approach. Ideally your design needs cilia-like structures (or similar protrusions) along its bridge in order to adapt to different diameter handles (within reason, say +/- 15-20%). Some formulation of silicone would be an interesting material for the flexible component. All in all, good job man.
Thank you. I appreciate it. Would love to see it in production somewhere.
@@DesignPrototypeTest Thanks for sharing your content. One of my favorite parts of videos of this type isn't the widgets so much as the thought processes. Always enjoy listening to others reason their way through a design as a point of comparison with how I might approach the same challenge. I appreciate that you share aloud here on your channel.
If your goal is a single piece compliant printed handle holder, consider starting from a simple baseline such as this: newcontent.westmarine.com/content/images/catalog/large/317529.jpg. And incorporate the previously mentioned "cilia" to improve the range of handles it'll hold. As novel is it was when first introduced, I've never been a fan of the gripper approach.
Yep. That is 1 piece and simple to manufacture. Pretty much winner, but it's not perfect and the simplicity maybe loses functionality. Sharp edges likely to damage paint on broom handle. If you eliminate all sharp edges there is little friction between the broom and the holder. There is no grippy plastic/rubber to keep broom handle from sliding down. Therefore, a feature must be included on the broom handle itself (a valley or a ridge) to prevent this sliding.
would extrusion be cheaper for production? sorry if this has been asked and answered
This could absolutely be designed for production using an extrusion process. Good call.
Any material worth watching or reading about related to flexures?
…I have one of these in Canada? My broom hangs from it as I type this lol. Literally the exact same mechanism and it really does work quite well 🤷🏻♂️ lol
#Didn'tWatchTheVideo Before you even left your comment I answered it in the first 2 minutes of my narrative. Your irrational and unfounded bias/hatred for me is showing. You don't happen to love Prusa printers do you?
I mean, yeah, it makes it different, but is it actually more useful in the long run that it doesn’t have pivots?
great video and product.. nicely thought too.. Would there be a way to lock the system once the broom is in? More like safety mechanism..
Molded plastic hinge flexures are used all the time with thermoplastic injection molding. I would suggest looking further into thermoplastics that can do the trick. Maybe you can redesign this part to lessen the stress on the plastic to increase the number of cycles (s-n)
Not all thermoplastics are above their glass transition temperature at room temperature. For example PC and ABS both have a Tg above 100C. Also being above the Tg doesn't mean that the material is necessarily going to rapidly creep as shown in the video with the TPU. Eg. polyethylene is what grocery plastic bags are made of and you can put considerable weight in them and hang from a hook for years without it creeping to failure despite having a Tg of -80C.
I think it’s design flaw is the fact this can work with one given diameter only. The others on the market can work with wider variety.
I understand the technical difference, but I don't see a difference from a production standpoint between this and the 3m command broom holder (or any other plastic version), made from 2 plastic parts. But I wish you luck with the patent. I don't know if changing a single hinge for a different kind of hinge is patentable. With a device with same function and form as original.
It always cracks me up when I realize that a complete stranger to me has been triggered by something I created for fun and for the simple joy of invention. Some people just go around putting sticks in other people's spokes. Why? It must be a living hell not being able to stop comparing yourself to the accomplishments of others while never endeavoring to make anything worthwhile yourself. How do you even get up in the morning when all you know how to feel is inferiority? Such a person must be filled with, and motivated by nothing but hatred. How ugly.
Can you change the design to fit a square stick?
Oh i will make it for mounting my cycle on wall
This is the type of content we crave for
great r&d
What about PP (polypropylene) to make it in a single piece. Not sure whether the creep issue would be there but the hinge should work. PP is used for living hinges all over.
I wonder if you can mitigate the failure with infill settings
What do you call the way you affix the green portion to the white? Is it considered snap fit? Slide fit? Something like that?
I’m new to 3d printing and I’m just trying to learn different ways to do things.
Hey awesome stuff! ☺️ Although this is already a product that I happen to own
Nice comment. Thank you. This whole exercise started when another guy posted a copy of that product which he 3D printed and I thought "That is designed poorly for 3D printing. I could optimize it to be made on a printer without support material." Question: Does yours sometimes not open when removing the broom handle.
@@DesignPrototypeTest yeah that is something that occasionally happens, although fairly infrequently. Mine is more like a hard rubber, so having a harder material just on the corners that fold in would most likely address the problem. Idk if a multi-extruder system could handle 3d printing different materials on one piece, I assume there would be adhesion problems. But if there were similar problems in the 3d printed version I would think that would address it very well. Mine Is in my shop so it has probably been through a couple thousand usage cycles and definitely was much better new.
How about a PIPE fastener that would be nice for places were pipes need to be replaced on a regular basis ... yes as I type that I realize that's really not a thing either. lol still nice work!
I'd like to see this refined variant as a resin part with an elastomer overmold step for the flexture.
Would make an interesting video on the next step after 3d printing to get isotropic parts but a step behind plastic injection.
They already exist. And I dont think you can profit considering I payed 35 cents a piece for 100 from an overstock website a couple years ago.
Something like that already exists. We use them as holders for our RFID rackets where i work.
Like so many before you, you left this message based on the title and did not watch the video. The patentable portion of this design is the flexible pivot point where the rubber meets the rigid plastic. Furthermore, if you had watched even the first 4 seconds of the video you would have heard me talking about the previous video making this same functionality. You could have then clicked on the link in the description to said video where I showed the the very thing you are talking about and started my design process based on that object. Pro Tip: Watch the video before leaving a comment.
@@DesignPrototypeTest i have watched the entire video. I have that kind of OCD that doesn't let me even skip a video for 5 seconds. I didn't look at the title tho actually. I just looked at what he made, and then said i have something really similar at work thank you very much
Fyi, i always watch the videos. I never comment on them just on a thumbnail. Mostly because i know thumbnails might be clickbait. So i watched, thank you very much
@@DesignPrototypeTest one last comment. I love you videos nonetheless. Keep doing what you're doing
Could be used for rapid release of a rifle barrel held in position
if you don't wanna sell it, make it open source! so noone can patent it and we can all have some, it's super cool! I need to investigate a lot about complaint mechanisms and how to design them without going through trial and error
There is a large misunderstanding about open source hardware. Just the act of showing this to the public makes it open source. With software, you can have a functional thing and the way that thing works (the source code) is hidden. By freely and openly sharing the source code you make the ideas public. With hardware the object itself is the source code. Anyone can duplicate this functionality after seeing it. Unless patented. As I explained in the video, nobody can patent this now. Even me, because I've shown it to the public. It's now called "prior art."
@@DesignPrototypeTest sorry, but in Germany you can buy it. Google “würth stielhalter”. But anyway. I love your channel. Keep up the good work.
Yes, this is the item I based my original design and first iteration from. I talked about it at the end of this video, and the first video went more in depth. I could have patented the pivot-less flexure functionality which allows you to make this in 2 pieces instead of 4 like the “würth stielhalter” has. Above and beyond that, the molding would be two simple 2-part molds. One for the rubber and one for the fork. With the currently available commercial product there are undercuts making for a complicated mold that requires side actions to form the holes for the pins. My design could even be made in a double shot "over molding" process requiring no human labor to assemble it which is a patentable feature in and of itself.
For gripping part try to cycle print different shore tpu and tpe until you find the sweet spot
Nice! how about make a mould from the original part + plaster and use something else like silicone ?
I have had one of these for a few years now, I belive it was by Command (the ones that make the little hooks you can stick to the wall) the difference is your green part is like a flexible rubber in the one I have. So sorry, cant patent it, cool mechanism though! Maybe it's a case like me when I was a kid and had an invention where I put a motor on my bicycle to go up steep hills easier, only to have my dad say: "its a motorcycle" and there went my dreams...haha...
#Didn'tWatchTheVideoBeforeCommenting You didn't even watch 2 minutes of the video! 1:10 is the time stamp where I talked about it. I looked up your Command brand reference and EXACTLY like I said in the video it has pins that the flexible part rotates around. The pivot points are around the pins. In my design I eliminated the pins which allows me to make the thing with only two parts. I don't know why I bother to read the comments from you guys. You are just motivated to hate on me and tell me I'm stupid and couldn't get a patent. You don't actually understand the issue and WORSE than that you don't even bother to watch the video that I spent so much time making to explain it to you so that you could understand. All you want is to tear me down. Shame on you.
What about extrusion moulding?
I hate to say this, but things like this exist already.
search for "Toolflex Holder". I think Toolflex (the company) also holds patents on this.
Maybe you can at least get the design protected.
I'm well aware of the preexisting design. The first video covered that extensively. ua-cam.com/video/h2UrXBnCf_M/v-deo.html I based my original design and first iteration from it. I even talked about it at the end of this video, but I know it's hard to watch the whole video before leaving a comment. Everyone's got ADD. I also talked about why I chose not to patent the design at the beginning of the video. You must have skipped over that part because it wasn't at the end of the video.
Use MMU and make just one part. Genious Designs are Designs where you cannot reduce the parts anymore. You can combine TPU with PETG and bamm, just one part left. And yes, you can mass produce with 2 Materials in 1 Part, too.
Good Idea! I'll use my Bambu Lab X1 with the Automatic Material System (AMS) to try and make this happen in a single print.
@@DesignPrototypeTest You probable have to use other material then petg, because nothing really sticks with that, but i would just start with PLA and TPU. There is also TPU Filament available where you can control the elasticity over temperature, so here you can really change the stiffness from layer to layer just by changing the printing temperature.
So next step is reduce the material to just tpu. Because you can print with different temperatures and get material with different stiffness it might be possible to even extrude this with 1 part and 1 Material. But i can only do that with printing. The real solution is to extrude this and this might a bit tricky and it will cost a lot of money to make prototypes. But i am very sure, that its possible so, too.
I have had one of those EXACTLY the same design as yours holding my mop for 2 years. So you might have some issues with prior art if you file for a patent.
Oh yeah? Show me a picture. I'd love to see the prior art with a complaint mechanism. I dare you.
Do you realize how evil you are? Your boy learned how to fix his product because I taught him. Instead of thanking me He sent his attack dogs (you) after me. I don't blame you for this. You didn't know me. You didn't know he was a narcissist with greedy motivations to destroy anyone who threatened his ego. You believed in him and I looked like the person with an ego problem thinking I could compare myself to the great savior of 3D printing. But as time goes on and the clues reveal that I was speaking truth you refuse to concede. Instead you hold fast to the narrative that I am a talentless hack who just attacks your boy because I'm jealous. Videos like this are evidence against your narrative. They create cognitive dissonance in your mind. That is why you must tell me that I didn't create something when I did. You need me to have no talent. Otherwise you have to admit you are wrong, which is something your pride cannot handle. So you are sacrificing me at the altar of your pride. That is one of the most wicked things I've ever observed a human being doing. You ought to be ashamed. I'm guessing you were raised in a single mother household. Maybe you are from the Czech Republic. You grew up in a bad neighborhood in a poor country which did not allow you to analyze right and wrong. You were just focused on surviving. Prusa is your local hero. I'm the evil American. I must have no talent. Otherwise you have to question things that make you feel bad about yourself and your countrymen. Stop victimizing me so that you can feel good. It's evil.
@@DesignPrototypeTest I'm not sure how to share a photo on UA-cam. There are two of these on the wall beside me, they use a compliant silicone mechanism. I bought them from a hardware store.
Post the photo to imgur or some other photo sharing website. Copy the link, then paste it in your comment. UA-cam does not allow you to post links. I can but it does not know you. To get around this put a space between the letters and the period eg imgur . com I can manually remove the space and see your image. Alternately, click on my account name. Then go to the about tab on the top of the screen and click "show email address." This will allow you to send me the link in an email so that there can be no confusion. Finally, if such a product exists, you should be able to find it online. What is the brand name? Can you post a product listing?
P.S. Don't waste my time! If you post a photo of the version with the pivot pins, I will ban you from my channel. That is not a compliant mechanism. That is a pivot point around a hard pin. If you would watched my video you would know what I'm talking about. I don't think you even spent the time to understand what I'm saying. You just saw a title and you hate me so you decided to comment and try to make me feel bad.
Seen similar with rubber flexing at the front
I already using something similar for a few years. Still using them... 😀
I’ll be on Shark Tank with this product next week! (=
Pretty sure you can change it to be one part… the ‘rigid’ part seems thick enough to be made from the same flexible stuff without becoming too flexible. Simply due to its bulk.
Great Job!
15:00 I know im a little late to the party, but have you tried printing it pre-bent? Imagine the two parts that go into the rigid part being bent down till they touch and with the hammock this would create a circle shape in the middle. Now print it that way. That should have a stronger memory of wanting to be in the open position..
I'm sorry, but I missed the point on why the elimination of the pivots is particularly advantageous. So, instead of buying a broom holder at a dollar store that consists of 5 rigid parts and two flexible parts, I'll get a broom holder that consist of 1 rigid part and two flexible parts, but will still cost the same?
No. One rigid part and one flexible part. That's a 50% reduction in parts. An ABSOLUTE winner according to the K.I.S.S. principle of engineering. It's so funny that you guys have chosen this hill to die on. It was just a fun passion project I did a couple of years ago. But you all see it as proof I am capable of original inventive thought. Which is irrefutable evidence against the narrative you want to construct about me. That's why you are trying to kill it. But what about my actual patent which is much more solid evidence and a much more robust and meaningful innovation of mine? Even if you destroy my broom holder You can't kill the patent. You are behaving pretty stupidly. You need to accept that I am a skilled innovator/inventor. My track record makes that pretty irrefutable. Why do you wish that reality wasn't so? What is your motivation?
@@DesignPrototypeTest A bit of overreaction to a relatively minor criticism, isn't it?
Search previous comments. There are many just like yours. From your point of view, it seems crazy that I would overreact like this. From my point of view it's really strange that every comment I get on this old video is trying to tell me that I didn't accomplish anything and seems to be willfully misunderstanding despite my clear communication in the video.
I have no reason to think this would be better but maybe try flexible pla or have them printed on an sls machine?
Very cool. I am wondering whether there is a computer software that can accurately predict the deflection of the whole flexure system? Or did you just do this intuitively?
Love the design iteration description - thanks for taking the time to talk through this. A suggestion: you mention that the broom spends most of the time in the holder. Why not print the flex part in the 'gripping position' shape so that it is relaxed for most of its life? (or close to this shape if it does not want to maintain its open shape well).
This already exist like for decades!
Try putting less fillament like how compliant mechanism work like a saw blade or maybe mesh the plastic to make it more flexible
GREAT VIDEO FOR ENCOURAGING PROTOTYPE MANUFACTURING :)
ALTHOUGH A SIMILAR PRODUCT IS USED IN HOMES HERE IN ISRAEL :)
I DID SUBSCRIBE TO THE CHANNEL AND DID A THUMB-UP ABOUT THE VIDEO :)
THANK YOU FROM ISRAEL :)