Electricity: circuit makers and breakers – Multiple circuit control – Reciprocating contact
Patent
1984-01-03
1985-06-25
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Reciprocating contact
200 6R, 200 6B, 200153LA, H01H 1502
Patent
active
045256071
ABSTRACT:
A simplified electric switch is disclosed which includes: an insulating base (3) which may include an electronic circuit and printed circuit board, a switch cover (4) mounted on the base; terminals (1a, 1b, 2a, 2b) disposed on the base, internal lead wires (16a, 16b, 17a, 17b) opposed to each other and connected to the terminals, a rocking type movable contact element (6) in the form of an electrically conductive plate and a push member (7) which may be a slide member, toggle member, or rotary member. The movable contact element has a gently curved belly portion (15), reversely bent shoulder portions (14) on opposite sides of the belly portion, and polygonal pyramidal shaped contact ends (8a, 8b, 9a, 9b). The belly portion is centrally provided with a projection (12). The movable contact element is mounted on the insulating base and rocks about the projection. The push member has a protrusion (13) that engages the projection from inside and an arm (13a) interposed between a shoulder portion and the lower surface of the switch cover. The push member can be biased towards its neutral position. When the push member is moved to either one side of the internal lead wires, the protrusion of of this push member pushes the belly portion for bringing the contact ends into engagement with their respective internal lead wires, thereby exciting the terminals on that side.
REFERENCES:
patent: 3770921 (1973-11-01), Wilbrecht
patent: 4095072 (1978-06-01), Piber
patent: 4168404 (1979-09-01), Lockard
patent: 4319100 (1982-03-01), Tallody
patent: 4392031 (1983-07-01), Curtis, III
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