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US Patent: 1,141,602
Lost Motion Take-Up For Tools
Joseph G. Baker - Allentown, PA

USPTO Classifications:
269/161, 81/155, 81/165

Tool Categories:

J. Edward Durham - Philadelphia, PA

Bonney Vise & Tool Works, Inc. - Philadelphia, PA

M. Tobias
M. P. Williamson
Ell M. Snyder
J. Edwd. Dushane, Jr.

Patent Dates:
Applied: Aug. 06, 1913
Granted: Jun. 01, 1915

Patent Pictures:
Joseph G. Baker patent June 1, 1915
USPTO pdf tiff
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A spring in the adjusting mechanism keeps the adjusting screw tight to the adjusted member, so that motion of the screw positively changes the position of the adjusted portion. The drawing shows the concept as applied to a vise and adjustable end wrench.

The patent appears on an adjustable end wrench, marked "BONNEY // ALLENTOWN".

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