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US Patent: 910,737
Wrench
Patentee:
George W. Stenz (exact or similar names) - Ashland, WI

USPTO Classifications:
81/143

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Stenz Wrench Co. - Ashland, WI

Witnesses:
James McCully
Frank S. Moulton
Hugh H. Ott
C. Bradway

Patent Dates:
Applied: May 06, 1908
Granted: Jan. 26, 1909

Patent Pictures: [ 1 | 2 ]
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Martin J. Donnelly Antique Tools
Description:
Victor J. Evans - patent attorney

This invention relates to a wrench of the quick-adjusting type, and more particularly to a wrench having a shank provided with serrations with which a cam-actuated clamping block is adapted to engage for holding the movable jaw in set position. The invention has for one of its objects to improve and simplify the construction and operation of devices of this character so as to be comparatively easy and inexpensive to manufacture, of durable and substantial design, and composed of few parts. Another object of the invention is the provision of a wrench having a serrated shank with which a serrated clamping block mounted on the movable jaw is adapted to engage for holding such jaw in fixed position, the block being operated by a pivoted cam that is held in locking position by a spring and is adapted to be retracted by a lever connected therewith when it is desired to adjust the movable jaw.

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