Timing mechanism

Details Timing mechanism Timing mechanism

1982-04-30

1984-01-31

Goldberg, E. A.

Electricity: circuit makers and breakers

Retarded

Clock train

200288, H01H 700

Patent

active

044291957

ABSTRACT:
An improvement is presented for a timing mechanism wherein the closing of a particular circuit results in a high electrical current surge. The rapidity of the circuit closure (made necessary by the current surge) results in contact bounce. A fast drop of a cam follower is provided by a cam having a substantially flat outer periphery and a face which has a steep drop with a gentle curvature. Upon dropping the cam follower, electrical contact arms are engaged which include a coil spring damper to dissipate kinetic energy encountered during contact closure, thereby preventing the contacts from bouncing.

REFERENCES:
patent: 1120712 (1914-12-01), Hall
patent: 2782287 (1957-02-01), Smith
patent: 4348560 (1982-09-01), Ray et al.

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