Adjustable switch and actuator arm

Details Adjustable switch and actuator arm Adjustable switch and actuator arm

1986-02-05

1988-03-22

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

200153L, 74568T, H01H 4310, H01H 342, F16H 5300

Patent

active

047330260

ABSTRACT:
An electrical appliance switch has a switchable contact assembly and a switch controller. An actuator is in contact with the switch controller and has detent toothing on at least a portion thereof. A longitudinal adjustment cam has at least one notch for frictionally engaging the detent toothing. The adjustment cam has an oblong tubular configuration for surrounding a portion of the actuator and has a closed bottom end. The adjustment cam contacts the switchable contact assembly. Adjustment of the adjustment cam substantially sets a lead path of the actuator. The actuator cam has at least one cam face which has a slanting plane configuration for contacting the switchable contact assembly. Adjusting the actuation cam causes the cam face to change a transmission ratio of a longitudinal displacement path of the actuation cam to a cam spread displacement.

REFERENCES:
patent: 3747432 (1973-07-01), Cole
patent: 3821529 (1974-06-01), Kullage, Jr. et al.
patent: 4160885 (1979-07-01), Ellicott et al.
patent: 4297546 (1981-10-01), Koch
patent: 4349711 (1982-09-01), Lake
patent: 4436969 (1984-03-01), Motoki

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