Overspeed trip mechanism and method of assembling

Details Overspeed trip mechanism and method of assembling Overspeed trip mechanism and method of assembling

1981-09-21

1983-09-27

Herrmann, Allan D.

Machine element or mechanism

Automatic operation or control

Retarded

29173, 29526R, 73538, 74100P, 192 89B, 200 80R, 267161, 403356, G05G 1506, G01P 316, F16B 300

Patent

active

044061722

ABSTRACT:
A Belleville spring type of overspeed trip mechanism is made to rotate at the same speed as the shaft by preventing slippage between the spring and the other members of the trip mechanism. Slippage is prevented by forming grooves in the periphery of the interior portion of the spring and using pins which coact with the grooves to prevent rotation of the spring relative to the other members.

REFERENCES:
patent: 3216543 (1965-11-01), Schroter
patent: 3374680 (1968-03-01), Geary
patent: 3543899 (1970-12-01), Colbert
patent: 3640363 (1972-02-01), Spalding
patent: 4220231 (1980-09-01), Richter
patent: 4333343 (1982-06-01), Czuszak

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