Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Reexamination Certificate
2005-03-08
2005-03-08
Donovan, Lincoln (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
C335S202000
Reexamination Certificate
active
06864768
ABSTRACT:
An electrical switching system comprises a main housing enclosing an actuable apparatus including an actuator extending outwardly of the housing. A contact housing encloses an electrical contact and a pusher selectively actuable by the actuator to operate the contact. A mortise is provided on one of the main housing and contact housing and a tenon is provided on the other of the main housing and contact housing for joining the contact housing to the main housing. A snap lock resiliently locks the contact housing to the main housing.
REFERENCES:
patent: 3290628 (1966-12-01), McGary
patent: 4345225 (1982-08-01), Lemmer
patent: 4774484 (1988-09-01), Lehman et al.
patent: 5907267 (1999-05-01), Reid et al.
Coffman James L.
Passow Christian H.
Donovan Lincoln
Siemens Energy & Automation Inc.
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