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US Patent: 3,101,018
Claw-Lever Actuated Slidable Side Jaw Wrench
Alfred F. Andersen - Glen Mills, PA

USPTO Classifications:
81/127, 81/142

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : wrench components : wrench jaw components


Andersen Tool Company - Glen Mills, PA
Tanguy Tool Co. - Glen Mills, PA

none listed

Patent Dates:
Applied: Nov. 22, 1960
Granted: Aug. 20, 1963

Patent Pictures: [ 1 | 2 ]
Alfred F. Andersen patent August 20, 1963
USPTO pdf tiff
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The size range is expanded by the interaction of a spring-tensioned sliding jaw that interacts with gear teeth on the handle, and a pivoting jaw. The sliding jaw can be re-positioned in relation to the geared portion of the handle. Fine teeth on the sliding jaw and pivoting jaw help hold the adjustment.

The specifications cite patent nos. 1,539,987, 1,720,650, 1,758,013, 1,771,172 and 2,590,792 as references.

Early production marked PATENT PENDING; later production includes the patent number.

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