Pneumatic nut runner with torque indicator

Details Pneumatic nut runner with torque indicator Pneumatic nut runner with torque indicator

1979-04-02

1981-05-05

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

B25B 23145

Patent

active

042651085

ABSTRACT:
A pneumatically powered hand-held torque wrench having a dial gage arranged on the handle portion of the wrench to display the amount of torque exerted upon a fastener by the tool. A pointer indicates the tool maximum torque attained during tool operation, including manual torquing effort by the tool operator, which pointer maintains maximum torque read-out until the pointer is reset by the operator. A mechanical linkage arrangement transmits tool handle flexure into rotation of the dial gage to indicate maximum torque value developed upon a fastener being worked upon.

REFERENCES:
patent: 2320023 (1943-05-01), Zimmerman
patent: 2614418 (1952-10-01), Shaff
patent: 2614419 (1952-10-01), Shaff
patent: 3108472 (1963-10-01), Scyocurka

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