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US Patent: RE23,761
Actuating and Locking Means for the Handles of Plier Type Tools
Patentee:
Walter Sarvie - Alexandria, MN

USPTO Classifications:
81/319, 81/323, 81/339

Tool Categories:
wrenches : pliers type wrenches : locking pliers

Assignees:
None

Manufacturer:
Sarvie Tool Co. - Alexandria, MN

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 24, 1949
Granted: Dec. 29, 1953

Reissue Information:
Reissue of 2,539,865 (Jan. 30, 1951)

Patent Pictures: [ 1 | 2 ]
Walter Sarvie patent Dec. 29, 1953
USPTO pdf tiff
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Description:
The "leg" on the "L" shaped handle passes through a spring-loaded clutch lever and corresponding hole in the opposite handle.

The reissue specifications emphasize the locking mechanisms, and cite U.S. patents nos. 1,371,080, 1,879,452, 1,944,116, 2,392,820, 2,262,429, and a British patent.

Also produced as the Lockmatic No. 707.

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