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  1. #16
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    Soth,

    Thanx for the efforts! I will surely keep this in mind for my next venture into the wonderful world of seating.

    I've been measuring the stools here in the US and there doesn't really seem to be any particular standards here (although I'm sure the manufacturers have insurance policies and lawyers guiding them down the narrow and curvy liability path).

    Matt

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  3. #17
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    Quote Originally Posted by treebutcher View Post
    Thanx for the constructive criticism. I would agree that five would be better than four. I suppose eight would be better than five =).
    Most bar stools only have four legs so I don't really see a problem.
    Quote Originally Posted by treebutcher View Post
    At any rate, should I pursue the task of building more stools, I will consider a more stable base.
    Anyone who receives one of your masterpieces should count themselves as a very lucky person. If I were you, I'd number this first one to your mother as 'number 1', then sign and date it under the base. Make each consecutive one slightly different in some minor way. They certainly are a talking point, and I can see them becoming a treasured and valuable heirloom to anyone who owns one.
    Quote Originally Posted by treebutcher View Post
    Is there a minimum width to Australian safety regulations?
    I would doubt that there are any specific regulations in this regard. I think it would be a case of, if anyone broke their back falling off one, then they may try to sue for damages. I've seen a lot of broken chairs, and you can't expect a wooden chair to last forever. If a person is heavy enough, they could break just about any wooden chair. Especially if they mistreated it, and rocked back on the legs or something. If it's constructed solidly, then people just need a bit of common sense when sitting down. I don't think that this stool, or this one would take much punishment from a heavy person before collapsing.
    Quote Originally Posted by treebutcher View Post
    echnidna,It all started with the impulse purchase of a wooden tap & die set =)
    I'd like to see a picture of that if it's not too much to ask. Those wooden nuts and bolts are amazing. (I'm not going to steal your design. I haven't got the skill, or the patience to make something like that )
    Quote Originally Posted by treebutcher View Post
    Yes indeed. It has been the talk recently. I'm pleased at the response I'm getting so far. To bad I don't have enough time to make about 100 of these things =).
    The ones you do make will be all the more valuable for it.
    Quote Originally Posted by treebutcher View Post
    I'm sure the manufacturers have insurance policies and lawyers guiding them down the narrow and curvy liability path
    Probably, but if you can't afford a team of lawyers, and you're worried about liability, then just attach a sticker under the base saying that it's an 'Art piece not to be used. No responsibility taken. Do not remove this label.' I'm no lawyer so don't take my word for it, but I'd imagine that would cover your a$$.

    Again, nice work Matt 'treebutcher'. (You need to change your name. 'butcher' doesn't suit you at all)


  4. #18
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    Feb 2003
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    Garvoc VIC AUSTRALIA
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    Having five feet is a bit of a furphy as it applies to swivel base chairs only.

    There are 2 ways stability on this particular chair could be increased.
    1. A bigger footprint
    2. Rotate the base 45 degrees so the support points on the floor are approx below the corners of the seat.
    Regards, Bob Thomas

    www.wombatsawmill.com

  5. #19
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    Sep 2006
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    Pawnhead,

    That is a wonderful bunch of input! Thanx a ton for the compliments and constructive feedback.

    I especially like your idea about making each one slightly different. I'm finishing up the two for my mother. This one you see in the pictures was the prototype (i.e. mine). I will take your advise and slightly modify each of the others, but in a small way to make each unique.

    I will put together some pictures for you of the wooden tap & dies, but for now, here is the link to Grizzly Ind. Inc. where I bought them:

    http://www.grizzly.com/products/sear...x=0&submit.y=0


    The "art work" disclaimer is also a good idea. I'll ask a lawyer for advise, but that's a great place to start.




    Thanx again!!!


    Matt

  6. #20
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    Quote Originally Posted by echnidna View Post
    Having five feet is a bit of a furphy as it applies to swivel base chairs only.

    There are 2 ways stability on this particular chair could be increased.
    1. A bigger footprint
    2. Rotate the base 45 degrees so the support points on the floor are approx below the corners of the seat.

    echnidna,

    This happens to be a swivel base chair, although I didn't show it very well in the pictures.



    Indeed the base could be enlarged. It may not appear so in the pictures, but the base is larger than the seat itself. Now that I'm relooking at the photos, it is not appearing so.

    As far as the feet positions, this would make the design even more complex (not that I am not up for the challenge). This was on a Christmas deadline (or at least for the prototype!).

    Great input just the same. I will be taking all into consideration on the next for sure.


    Matt

  7. #21
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    Quote Originally Posted by treebutcher View Post
    I especially like your idea about making each one slightly different. I'm finishing up the two for my mother. This one you see in the pictures was the prototype (i.e. mine). I will take your advise and slightly modify each of the others, but in a small way to make each unique.
    Don't forget to number them. Lower numbers are usually always more valuable in a limited series.
    (But don't make them all 'number 1' )
    A signed certificate of authenticity with each one would also be a good idea, in case someone steals your idea and starts spitting them out of a machine run by child labour in China. Keep a register of who gets each stool so they can be verified.
    Quote Originally Posted by treebutcher View Post
    I will put together some pictures for you of the wooden tap & dies, but for now, here is the link to Grizzly Ind. Inc. where I bought them:

    http://www.grizzly.com/products/sear...x=0&submit.y=0
    Thanks for that, but don't go to too much trouble. That website explains it very well, and the tool prices are quite reasonable. One day, when I'm old and grey with time on my hands I might buy some and try to come up with an idea of what I can make with them. It's certainly given you inspiration to put on your thinking cap.
    Quote Originally Posted by treebutcher View Post
    The "art work" disclaimer is also a good idea. I'll ask a lawyer for advise, but that's a great place to start.
    So long as you make people aware of the label, then it's not your problem if they remove it and pass the stool onto someone else. You've done everything you can short of carving the disclaimer in the top of the seat .
    Quote Originally Posted by treebutcher View Post
    This happens to be a swivel base chair, although I didn't show it very well in the pictures.
    Wow!

    It swivels as well.


  8. #22
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    Pawnhead,

    "Don't forget to number them. Lower numbers are usually always more valuable in a limited series.
    (But don't make them all 'number 1' )
    A signed certificate of authenticity with each one would also be a good idea, in case someone steals your idea and starts spitting them out of a machine run by child labour in China. Keep a register of who gets each stool so they can be verified"

    Yes indeed... My very good friend owns an art gallery here in Houston, and he is well familiarized with this, so I shall hit him up for the details on this. I know he deals with this type of thing daily.

    Again, a great point!



    "So long as you make people aware of the label, then it's not your problem if they remove it and pass the stool onto someone else. You've done everything you can short of carving the disclaimer in the top of the seat"


    Another person (friend of a friend) owns a bar stool outlet. I shall hit her up for some advise on these. She sell high end stuff, and was actually inquiring about me building custom stools when I bought the swivels from her. We shall see!



    Thanx again for your input. This is a wonderful resource!

  9. #23
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    TB, how did you fix the gears the the cross shafts? There appears to be a pin through the intermediate gear? I suspect that this may be a weakness further down the track but to do it any other way would seem difficult. A job to be proud of due, including the original thinking that went into it. Was it a brainwave or did it evolve over time?
    CHRIS

  10. #24
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    you could scotch key the gears to the shaft, possibly a stronger method.
    Regards, Bob Thomas

    www.wombatsawmill.com

  11. #25
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    Quote Originally Posted by Mini View Post
    TB, how did you fix the gears the the cross shafts? There appears to be a pin through the intermediate gear? I suspect that this may be a weakness further down the track but to do it any other way would seem difficult. A job to be proud of due, including the original thinking that went into it. Was it a brainwave or did it evolve over time?
    Quote Originally Posted by echnidna View Post
    you could scotch key the gears to the shaft, possibly a stronger method.

    In regards to the gears, they actually spin free on the shafts. They are only used to lock the seat in place. The one you see a hole in did at one time have a pin in it, but since has been bounced from prototype to prototype. I'm in the process of making all new gears (especially the same thickness, which you can see one is slightly thicker than the other).

    In the original design (toward the bottom of my original post) you can see that I had a crank on the side. This was going to be the way the seat was adjusted, but later I found it much easier to just lift on the seat back itself. Once I discovered this, I removed the crank, and just put the gears on free from locking to the axles.

    In relevance to the strength, I used a 3/8 inch oak dowel for the pin and tested it by jumping up and down on the seat. It held just fine. No signs of stress. I then cranked the seat up and down with about 30lbs. of weight added to the seat. This was not easy to crank, but the unglued pin held strong again. The shear strength of a 3/8" oak dowel is quite impressive =).

    Again, thanx for the input!!



    Matt

  12. #26
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    Hi Treebutcher - I am most impressed and inspired! Great work - and all the best with getting a line of them built - keep us informed, please!

    Cheers,

    Jill

  13. #27
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    Quote Originally Posted by Jill View Post
    Hi Treebutcher - I am most impressed and inspired! Great work - and all the best with getting a line of them built - keep us informed, please!

    Cheers,

    Jill
    Thanx Jill!

    I surely will. All three are near completion, and I will certainly post pictures when I am finished.


    Matt

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