Switching device

Details Switching device Switching device

1997-10-15

1999-06-22

Friedhofer, Michael A.

Electricity: circuit makers and breakers

Snap

Double snap

H01H 1336

Patent

active

059134151

ABSTRACT:
A movable leaf having a movable contact is fixed to a common terminal, and a displacement absorber absorbing the displacement of the movable leaf is provided in the vicinity of the portion of the movable leaf connected to the common terminal. A lever member is attached to a case in a rotatable manner. A movable spring member is connected at one end to a free end of the lever member in a rotatable manner and is connected at the other end to the movable leaf. When an actuation plunger is depressed, a point of connection between the movable spring member and the lever member is moved beyond a point of joint between the movable leaf and the common terminal.

REFERENCES:
patent: 4045632 (1977-08-01), Pierrot
patent: 4168412 (1979-09-01), Smith
patent: 4253001 (1981-02-01), Momozhane
patent: 4286132 (1981-08-01), Greenwald
patent: 4551592 (1985-11-01), Nishi et al.
patent: 4629838 (1986-12-01), Mironenko et al.
patent: 4764649 (1988-08-01), Sakai et al.

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