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Thread: Patents

  1. 20th May 2015, 12:32 PM #1
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    I started off trying to track down this saw vice/vise from Wictor's and Brent's websites ... actually that wasn't the start as such.
    I forget what started this off.



    But when I got to this stage ... "-disston saw clamp sharpen -arbor -miter -band -table -chain"
    https://www.google.com/search?num=10....0.9c5oEGWKL2o

    still showing 40,000 results down from 1,500,000 ... I think I just decided to trip through the daisies.
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  3. 20th May 2015, 12:42 PM #2
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    This one is for Rob Streeper and some others ... setup for hardening saw plates (one of at least several)
    https://www.google.com/patents/US401...d=0CJUBEOgBMBE


    This one shouldn't be a problem. Helical files should still be doable, right?
    Machine to sharpen saws by rotating helical saw-files.
    https://www.google.com/patents/US772...d=0CM8BEOgBMBk
    https://www.google.com/patents/US780...ed=0CCUQ6AEwAQ

    Regarding sloping gullets ... maybe that was the starter ... the first vice was in a Disston 1876 catalogue ... and shows it tiltable.
    This 1903 patent says ...
    " By the old method of machine sharpening the teeth would have their highest point on the inside, whereas they should have and do have in hand-filing their highest points on the outside - that is, when teeth are properly sharpened the points on the teeth on one side of the saw are separated from those on the other side by a space equal to the width of the intended saw-cut, which is always a little greater than the thickness of the blade.

    Under the old method, however, the points on the teeth were brought more nearly into line, and consequently the saw did not cut its full width, or at least not with the same degree of satisfaction as with a properly hand-sharpened saw. By disposing the file members in intersecting planes and diagonal to the sawplane they act on the saw-teeth more nearly after the fashion of a (..) handfile, which is always operated at an incline to the length of the saw."


    Same helical filing for a bandsaw ... 1902.     http://www.google.hn/patents/US735868

    and handsaws ... 1902 x2 ...
    https://www.google.hn/patents/US7017...ed=0CCMQ6AEwAQ
    https://www.google.hn/patents/US7336...ed=0CCoQ6AEwAg
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  4. 20th May 2015, 12:57 PM #3
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    Quote Originally Posted by pmcgee View Post
    This one is for Rob Streeper and some others ... setup for hardening saw plates (one of at least several)
    https://www.google.com/patents/US401...d=0CJUBEOgBMBE
    I'll get right on it...
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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  5. 20th May 2015, 12:58 PM #4
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    There may not be a patent for that specific saw vise.

    http://vintagemachinery.org/mfgindex...x?id=255&tab=7
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  6. 20th May 2015, 01:09 PM #5
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  7. 4th July 2015, 10:42 AM #6
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    Interesting numbers ...

    patent saws.png
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  8. 4th July 2015, 03:40 PM #7
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    An earlier model.
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  9. 5th July 2015, 12:10 AM #8
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    Quote Originally Posted by hiroller View Post
    An earlier model.
    Hmm, looks like a jointer / sharpener / tooth line temper drawing machine.
    Innovations are those useful things that, by dint of chance, manage to survive the stupidity and destructive tendencies inherent in human nature.
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