Method and device for testing a chain link mechanism

Details Method and device for testing a chain link mechanism Method and device for testing a chain link mechanism

1975-06-10

1976-08-03

Ruehl, Charles A.

Measuring and testing

Frictional resistance, coefficient or characteristics

73136R, G01N 1902

Patent

active

039722210

ABSTRACT:
A device for testing an endless chain-link mechanism comprises a disc, mounted to a DC-servomotor, which is resiliently urged against the rollers which serve to support the chain-link. The current of the motor is recorded in function of time and the significant part which is a measure of the resistance to rotation is determined. When this value exceeds a predetermined one, the roller is considered to be defective. Auxiliary circuits for signal processing may be provided, if desired.

REFERENCES:
patent: 2441993 (1948-05-01), Dasher
patent: 3130581 (1964-04-01), Schulman
patent: 3688557 (1972-09-01), Marinus
patent: 3893502 (1975-07-01), Slamar

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