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US Patent: 3,283,620
Torque Wrench
Patentee:
Jay R. Bailey (exact or similar names) - Woodland Hills, CA

USPTO Classifications:
73/862.21, 81/477, D8/24

Tool Categories:
wrenches : torque wrenches

Assignees:
McCulloch Corporation - Los Angeles, CA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 23, 1965
Granted: Nov. 08, 1966

Patent Pictures:
Jay R. Bailey patent November 8, 1966
USPTO (New site tip)
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Description:
Modified hex shank Allen wrench, with a springing "U" bend. Deflection of the parallel sides of the "U" indicate the applied torque. The accuracy of such a tool would depend on the characteristics of the component steel.

The specifications cite patent nos. 1,312,456 and 2,936,661 as relevant prior art.

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