Switch assembly including cam operated pivoted contact

Details Switch assembly including cam operated pivoted contact Switch assembly including cam operated pivoted contact

1996-03-11

1997-01-28

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 6B, 200437, H01H 1900, H01H 508

Patent

active

055979890

ABSTRACT:
A switch device includes a stationary contact, a movable contact member having a pair of arms on both sides through which the movable contact piece is swung so as to be brought selectively into or out of engagement with the stationary contact. The movable contact piece is sloping near the dead point thereof on a surface to be pushed. The device both includes an operating knob having a pusher adapted to apply a force the surface to be pushed, the pusher swinging the movable contact piece when the pusher, and sliding on the surface to be pushed, goes over the dead point, wherein the center of swing of the movable contact piece is substantially equal in level to the dead point on the surface which is to be pushed.

REFERENCES:
patent: 2248362 (1941-07-01), Krieger
patent: 3196220 (1965-07-01), Brown
patent: 3348010 (1967-10-01), Johnson
patent: 3439138 (1969-04-01), Braun
patent: 3482067 (1969-12-01), Sanford
patent: 3598943 (1971-08-01), Barrett
patent: 4408105 (1983-10-01), Tanaka
patent: 4814554 (1989-03-01), Magiera

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