Reversing switch

Details Reversing switch Reversing switch

1987-08-03

1989-02-28

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

200241, 200438, H01H 900, H01H 2102

Patent

active

048087750

ABSTRACT:
In a reversing switch comprising a substantially V-shaped swinging contact plate provided with a normally open movable contact and a normally closed movable contact, a pair of fixed contacts provided in opposed relationship to the normally open movable contact and the normally closed movable contact, an intermediate supporting member for supporting a normally open contact side of a central bent portion of the swinging contact plate, and a knob adapted to be swung and slid on the swinging contact plate; the improvement is characterized in that the swinging contact plate is formed of an elastic material, and that the knob is provided at its end portion with a pressing member adapted to elastically deform the swinging contact plate. With this arrangement, the swinging contact plate is elastically deformed by the pressing member in association with the swinging motion of the knob, thereby wiping off a bad conductor present between the movable contact and the fixed contact.

REFERENCES:
patent: 3294932 (1966-12-01), Barlow
patent: 3305650 (1967-02-01), Duffield et al.
patent: 3670116 (1972-06-01), Cryer
patent: 3935411 (1976-01-01), Ford
patent: 4123634 (1978-10-01), Hults
patent: 4181825 (1980-01-01), Epple
patent: 4259552 (1981-03-01), Swann
patent: 4689450 (1987-08-01), Sawada

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