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US Patent: 938,680
Adjustable and Detachable Handle for Saws
Robert E. Martin - Newark, NJ

USPTO Classifications:
15/145, 30/335, 30/519

Tool Categories:
woodworking tools : handsaws : saw handles


Henry Disston & Sons - Philadelphia, PA
Richardson Brothers - Newark, NJ

Wm. H. Camfield
E. A. Pell

Patent Dates:
Applied: Nov. 21, 1908
Granted: Nov. 02, 1909

Patent Pictures: [ 1 | 2 | 3 ]
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"Vintage Machinery" entry for Henry Disston & Sons
Nine claims for this patent although essentially means to easily attach/detach saw blades and adjust the angle of the handle. Serations on the blade and handle to assist in positioning. Applicable to both traditional handsaws and compass saws. Similar to the patent, 885521, used by Bishop and Simonds with the main visual difference the use of single blade tightening nut on the former and a more conventional two bladed (wing) tightening nut on the latter. Manufactured by Henry Disston & Sons, Richardson Bros, and Atkins.

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