Timing mechanism having a short pulse prior to its overall progr

Details Timing mechanism having a short pulse prior to its overall progr Timing mechanism having a short pulse prior to its overall progr

1980-11-10

1982-09-07

Grimley, A. T.

Electricity: circuit makers and breakers

Retarded

Clock train

192 8C, 200 38FA, H01H 700

Patent

active

043485600

ABSTRACT:
A cam is axially displaced so that a pair of cam followers sequentially drop from the cam's outer periphery to sequentially close a pair of electrical switches which are responsive to the cam followers. Upon completion of a program, the cam is permitted to displace to its original position. A clip ring clutch is used to provide a two-way manual rotation of a ring which carries a ramp that axially indexes the cam.

REFERENCES:
patent: 1392160 (1921-09-01), Hipple
patent: 1784974 (1930-12-01), Rolph
patent: 2939924 (1960-06-01), Franck
patent: 3264879 (1966-08-01), Danek
patent: 3307663 (1967-03-01), Luenberger
patent: 3700838 (1972-10-01), Brown et al.
patent: 4001529 (1977-01-01), Mahon

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