Impact wrench torque calibrator

Details Impact wrench torque calibrator Impact wrench torque calibrator

1984-08-10

1986-01-07

Ruehl, Charles A.

Measuring and testing

Testing of shock absorbing device

In situ vehicle suspension

73 1C, G01L 524, G01L 2500

Patent

active

045627223

ABSTRACT:
A torque calibrator allowing the accurate calibration of impact type wrenches. The calibrator measures the displacement of a heavy fixed beam in its natural oscillation mode. The beam has a long period of natural oscillation and an elastically soft segment preventing generation of rebound signals sometimes seen in stiff systems.

REFERENCES:
patent: 2795131 (1957-06-01), Booth
patent: 4150559 (1979-04-01), Levy
patent: 4470312 (1984-09-01), Thompson

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