Leaf switch

Details Leaf switch Leaf switch

1985-08-30

1987-05-19

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

200 5R, 200 6R, H01H 900, H01H 1364

Patent

active

046670661

ABSTRACT:
A plunger operated switch having a normally closed pair of contacts and a normally open pair of contacts, the normally closed pair of contacts including a movable contact carried on the free end of a first cantilevered resilient leaf member biased to separate the contacts, the normally open pair of contacts including a movable contact carried on the free end of a second cantilevered resilient leaf member biased to bring the contacts together. An actuator projection on the plunger bears against the first leaf member at a location substantially aligned with the contact thereon, and a further actuator on the plunger bears against the free end of the second resilient leaf member. The plunger is biased to urge the normally closed pair of contacts closed and the normally open pair of contacts open by a spring which is sufficiently strong to overcome the biases of the resilient leaf members.

REFERENCES:
patent: 2833885 (1958-05-01), Wells et al.
patent: 2870273 (1959-01-01), Merchant
patent: 2872535 (1959-02-01), Dahlgren
patent: 3715545 (1973-02-01), Long
patent: 3924090 (1975-12-01), Chao et al.
patent: 4160885 (1979-07-01), Ellicott et al.
patent: 4384176 (1983-05-01), Chestnut
patent: 4547634 (1985-10-01), Leger

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