Slide action electrical switches

Details Slide action electrical switches Slide action electrical switches

1983-12-12

1985-09-24

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

200 16C, 200260, H01H 1504

Patent

active

045434549

ABSTRACT:
In each of the two disclosed switches, an electrically conductive contactor plate is mounted on an insulating carriage, slidable in a casing along a path which is parallel with first and second parallel contact bars, mounted on an insulating wall of the casing. The contactor plate has first and second contact points for slidably engaging the contact bars during a portion of the movement of the contactor plate. During the remainder of such movement, the contact points slidably engage insulating boss portions which project from the insulating wall and are flush with the contact bars. The contactor plate has a third contact point projecting therefrom and slidable along an insulating ridge projecting from the insulating wall and disposed between the contact bars. The insulating ridge is flush with the contact bars for slidably supporting the third contact point while keeping it from engaging the contact bars. The insulating ridge is also flush with and connects with the insulating boss portions. The three contact points provide a stable tripod support for the contactor plate to distribute the biasing force of a spring disposed between the contactor plate and the carriage.

REFERENCES:
patent: 3267226 (1966-08-01), Shaw et al.
patent: 3721779 (1973-03-01), Raab

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