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US Patent: 2,167,720
Torque Indicating Wrench
Willard C. Kress - Kenmore, NY

USPTO Classifications:

Tool Categories:
wrenches : torque wrenches

J. H. Williams & Co. - Buffalo, NY

Not known to have been produced

none listed

Patent Dates:
Applied: Mar. 18, 1937
Granted: Aug. 01, 1939

Patent Pictures:
Willard C. Kress patent August 1, 1939
USPTO pdf tiff
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"Deflection bar" type torque wrench where the differential movement between the primary and secondary bars operates a dial gauge.

Kress mentions the difficulty and expense of this construction in the specifications of patent no. 2,201,234. The design in patent no. 2,255,792 is also described as an improvement.

Fraser, Myers & Manley - patent attorneys

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