Electromagnetic switch of starter

Details Electromagnetic switch of starter Electromagnetic switch of starter

2007-05-03

2009-08-04

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

C200S051040

Reexamination Certificate

active

07569787

ABSTRACT:
An electromagnetic switch has a shaft and a movable contact member slidably supported by the shaft. The shaft is moved with a plunger when an electromagnet is formed of an electromagnetic coil receiving an electric current and attracts the plunger. The movable contact member is moved with the plunger and connects fixed contact members with each other to turn on the switch. The shaft has a shaft body and a projection projected from the shaft body. The movable contact member has a hole. The projection is inserted into the hole to pass through the hole, and the movable contact member is disposed on the shaft body. Then, the movable contact member is rotated so as to engage the projection with the movable contact member. Therefore, the projection prevents the movable contact member from coming out of the shaft.

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