Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Reexamination Certificate
2005-07-05
2005-07-05
Donovan, Lincoln (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
C335S131000
Reexamination Certificate
active
06914504
ABSTRACT:
An electromagnetic switch has at least one pair of projection and groove engageable with each other and extending in an axial direction on an outer cylindrical surface of a solenoid casing and on an inner cylindrical surface of a switch casing. Engagement of the projection and the groove guides the solenoid casing shifting in the axial direction when inserted inside the switch casing.
REFERENCES:
patent: 4987396 (1991-01-01), Bogner
patent: 6380833 (2002-04-01), Nguyen et al.
patent: 2002/0145494 (2002-10-01), Andoh et al.
patent: U 2-87967 (1990-07-01), None
patent: Y2 5-28380 (1993-07-01), None
patent: A 9-177645 (1997-07-01), None
patent: B2 2973577 (1999-09-01), None
patent: B2 2988001 (1999-10-01), None
Aoki Syuichi
Hasegawa Youichi
Kajino Sadayoshi
Omiyama Hiroyasu
Denso Corporation
Donovan Lincoln
Oliff & Berridg,e PLC
Sawafuji Electric Co. Ltd.
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