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US Patent: 3,941,017
Plier Type Ratchet Wrench
Patentees:
Paul E. Lenker - Davenport, IA
Raymond G. Voss - Davenport, IA

USPTO Classifications:
81/57.39, 81/58.1

Tool Categories:
wrenches : ratchet wrenches
wrenches : wrench components : wrench handle components

Assignees:
Davenport Tool Co. - Eldridge, IA

Manufacturer:
Davenport Tool Co. - Eldridge, IA

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 19, 1975
Granted: Mar. 02, 1976

Patent Pictures: [ 1 | 2 ]
Lenker and Voss Patent March 2, 1976
USPTO pdf tiff
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Description:
A thrust rod held in place by a tension spring serves to transmit force from the pliers type handles to the ratchet head. The "Background" portion of the specifications compares the action to a number of earlier patents. The earlier patents mentioned include 919,260, 1,121,668, 1,204,095, 1,398,180, 1,543,338, 1,970,721, 2471,194, 2,633,034, 2,726,563, 2,817,257, 2,831,384, 2,954,715, 3,270,595, 3,286,560, 3,413,877, 3,557,644, 3,616,714, 3,682,088, and 3,726,161

Produced as the "CRICK-IT" by Davenport Tool Company.

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