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US Patent: 2,826,107
Ratcheting Torque-Limiting Wrench
Robert Glen Woods - Huntington Park, CA

USPTO Classifications:
192/46, 192/55.1, 464/37, 81/480

Tool Categories:
wrenches : ratchet wrenches
wrenches : torque wrenches


Jo-Line Tools - Anaheim, CA

none listed

Patent Dates:
Applied: Feb. 09, 1956
Granted: Mar. 11, 1958

Patent Pictures:
Robert Glen Woods patent Mar. 11, 1958
USPTO pdf tiff
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A collar between the driven member and the torque-limiting means includes a ratchet so that that force can be applied only in one direction. The torque-limiting ball and spring structure can be adjusted to insure the "release" matches the predetermined value.

U.S. patent numbers 1,860,871, 2,157,574, 2,159,373, 2,358,461, 2,503,499, 2,601,044, 2,601,799, 2,768,547 and French patent no. 965,788 are cited as references in the specifications.

The patent number appears on a Chicago Specialty Mfg. Co. "T" handle torque wrench. It also appears on a JOTE torque wrench prodouced by JO-LINE TOOLS, Anaheim, CA.

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