Measuring and testing – Testing of apparatus
Patent
1992-08-31
1994-10-11
Noland, Tom
Measuring and testing
Testing of apparatus
73808, G01M 1900
Patent
active
053536541
ABSTRACT:
A device for testing a wrench including a base fixed in a housing, a cylinder disposed in the base and having a piston rod extended upward, a support fixed on top of the piston rod for supporting the handle portion of the wrench, the socket of the wrench is retained in place and the handle portion of the wrench is pushed upward in a repeated action by the cylinder so as to test the working life of the wrench.
REFERENCES:
patent: 2411931 (1946-12-01), McVey
patent: 2955454 (1960-10-01), Husher
patent: 3979942 (1976-09-01), Grabovac
patent: 4171647 (1979-10-01), Herrgen
patent: 4376386 (1983-03-01), Green
patent: 4517821 (1985-05-01), Taggart et al.
patent: 4543814 (1985-10-01), Heilman
patent: 5181425 (1993-01-01), Livingston
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