Structure of electromagnetic switch for starter

Details Structure of electromagnetic switch for starter Structure of electromagnetic switch for starter

2005-11-04

2009-06-23

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

C335S126000, C335S131000, C335S133000, C335S185000, C335S193000, C335S263000, C335S271000, C335S277000

Reexamination Certificate

active

07551049

ABSTRACT:
An electromagnetic switch for use in actuating a starter for automotive vehicles is provided. The switch includes fixed contacts, a moving contact, and a plunger shaft. The moving contact is joined to a plunger shaft through an insulator. The plunger shaft is to be moved magnetically to bring the moving contact into abutment with the fixed contact to establish electric communication between the fixed contact. The switch also includes a rotation holder working to hold the moving contact and the insulator from rotating relative to each other. Use of the rotation holder results in a decrease in wear of the insulator. This eliminates the need for the insulator to have an additional thickness which would be worn down, thus permitting the insulator to be reduced in thickness to shorten the overall length of the switch.

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Translated Sep. 2, 2008 Office Action from related Japanese Application No. 2004-324212.
English language translation of foreign Office Action for Japanese Patent Application No. 2004-324189, Jan. 6, 2009.
English translation of Notification of Reasons for Rejection, Japanese Patent Application No. 2004-366398, Jan. 27, 2009.
English translation of Notification of Reasons for Rejection, Japanese Patent Application No. 2004-364584, Jan. 27, 2009.

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