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US Patent: 2,489,895
Release Mechanism for Articulated Lever Wrenches
Stephen M. Kash - Elkhart, IN

USPTO Classifications:
81/370, 81/380

Tool Categories:
wrenches : pliers type wrenches : locking pliers


Kash Industries, Inc. - Elkhart, IN

none listed

Patent Dates:
Applied: Jan. 03, 1947
Granted: Nov. 29, 1949

Patent Pictures: [ 1 | 2 | 3 ]
Stephen M. Kash patent November 29, 1949
USPTO pdf tiff
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The lock release operates by pulling toward the "fixed handle," with a spring to keep it normally nested in the lever handle. The jaws on a known example do not fully close, but that may be due to wear over decades of use. Kash Industries advertised the K-VISE in 1948.

George D. Haight and Carl Hoppe - patent attorneys

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