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US Patent: 3,941,017
Plier Type Ratchet Wrench
Patentees:
Paul E. Lenker (exact or similar names) - Davenport, IA
Raymond G. Voss (exact or similar names) - 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 (New site tip)
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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. One known Davenport Tool Company CRICK-IT kit shows a Rochelle, IL address. An example has also been noted marked Specialty Tool, Oklahoma City, OK.

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