Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1975-12-12
1977-06-21
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335132, H01H 6702
Patent
active
040314936
ABSTRACT:
An electromechanical relay construction in which the electromagnetic actuator assembly and the contact spring subassembly are structurally and functionally distinct entities prior to final assembly. Specifically, the electromagnetic actuator assembly incorporates the armature return spring making possible independent testing of the actuator assembly for the actual force available for contact operation as compared to the current applied. Other features include an armature hinge stop for preventing excessive hinge spring displacement upon operation and rotatable coil terminals for facilitating soldering and providing wire protection and slack.
REFERENCES:
patent: 3671891 (1972-06-01), Shiojima et al.
patent: 3911383 (1975-10-01), Tabei et al.
Bell Telephone Laboratories Incorporated
Harris George
Kamstra William H.
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