Movable contact unit arrangement including a movable contact...

Details Movable contact unit arrangement including a movable contact... Movable contact unit arrangement including a movable contact...

2007-03-27

2007-03-27

Lee, K. (Department: 2832)

Electricity: circuit makers and breakers

Solid contact

Membrane type

C200S06145M, C200S0110TC, C335S205000, C335S192000, C029S266000

Reexamination Certificate

active

11401316

ABSTRACT:
A movable contact unit arrangement includes a movable contact disposed close to a magnetic sensor. The movable contact unit includes a base sheet made of insulating resin, and a movable contact made of elastic metal plate material and having a downwardly opening dome shape. The movable contact is stuck to the base sheet. The magnetic sensor has an operation magnetic flux density during operation, and the movable contact is a demagnetized movable contact so that a residual magnetic flux density of the movable contact is smaller than the operation flux density of the magnetic sensor.

REFERENCES:
patent: 3849189 (1974-11-01), Yarovinsky et al.
patent: 6767655 (2004-07-01), Hiramoto et al.
patent: 6922573 (2005-07-01), Hijii
patent: 4-239105 (1992-08-01), None
patent: 2002-204010 (2002-07-01), None
patent: 2002-261897 (2002-09-01), None
patent: 2003-077368 (2003-03-01), None

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