Centrifugally actuated trip mechanism

Details Centrifugally actuated trip mechanism Centrifugally actuated trip mechanism

1980-10-27

1982-06-08

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Centrifugal weight type

74 3, G01P 316, G05D 1304

Patent

active

043333435

ABSTRACT:
A trip mechanism for use with a rotatable shaft comprising a Belleville spring encircling the shaft, a pair of collars secured to the shaft for mounting the spring thereon and engaging the spring to transmit rotary motion from the shaft to the Belleville spring, and a plurality of weights connected to the spring. The spring includes a reinforcing band portion annularly extending therearound, and the Belleville spring and weights are so proportioned that the spring will snap overcenter when the rotational speed of the shaft exceeds a preset value and will snap back overcenter toward an unstressed position when the rotational speed of the shaft is reduced.

REFERENCES:
patent: 2973771 (1959-02-01), Barth et al.
patent: 3348420 (1965-09-01), Schlirf
patent: 3374680 (1968-03-01), Geary

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