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US Patent: 1,006,057
Wrench
Patentee:
Commodore Perry Brown (exact or similar names) - Ronceverte, WV

USPTO Classifications:
81/143

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Brown Wrench Co. - Ronceverte, WV

Witnesses:
E. L. Corbett
C. K. Davies
T. A. Deaver
P. P. Brown

Patent Dates:
Applied: Apr. 14, 1909
Granted: Oct. 17, 1911

Patent Pictures:
Commodore Perry Brown patent Oct. 17, 1911
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Description:
A cam in the movable jaw forces a toothed wedge against rack teeth on the shank to hold the adjustment. The motion of the cam also slightly advances the movable jaw face. A couple of variant forms for the cam and wedge are shown and described, and the use of a spring to retract the toothed wedge when the cam pressure is released is also described.

The handle of the cam can be adjusted in relation to angle of the cam.

A wrench with indistinct markings, but corresponding to the wood-handled version shown in the drawings, is known. Formation of the Brown Wrench Co. at Ronceverte, WV. was noted in the Febr. 24, 1910 IRON TRADE REVIEW.

Brown received patent no. 1,455,423 for a simplified form of this wrench on May 15, 1923.

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