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US Patent: 2,125,945
Torque Indication Wrench
Patentee:
Walter H. Montgomery - Washington, DC

USPTO Classifications:
73/862.26, D8/24

Tool Categories:
wrenches : torque wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 21, 1937
Granted: Aug. 09, 1938

Patent Pictures:
Walter H. Montgomery patent Aug. 9, 1938
USPTO pdf tiff
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Description:
"Deflection beam" type torque wrench, using a series of flat plates for the shank, and a device to indicate the relative deflection caused by increasing load. The preamble of the specifications discusses the wrench in the context of pipe line couplings, etc.

Improvement to patent no. 1,728,552. Improved by patent no. 2,196,223.

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