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US Patent: 2,191,725
Torque Measuring Wrench
Patentee:
Ben Pepperdine - Chicago, IL

USPTO Classifications:
177/208, 73/862.21

Tool Categories:
wrenches : torque wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 23, 1937
Granted: Feb. 27, 1940

Patent Pictures:
Ben Pepperdine patent February 27, 1940
USPTO pdf tiff
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Description:
Modification of a ratchet wrench like the one described in patent no. 1,258,582 to incorporate a pressure-activated gauge indicating torque.

Brayton & Richards - patent attorneys

B. Pepperdine owned Bog Mfg. Co. They made tools for Western Auto stores which were owned by his brother.

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