Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Latching means
Patent
1988-10-28
1990-08-21
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Latching means
335189, 335140, M01H 920
Patent
active
049510215
ABSTRACT:
A linear acting ball latch is released by a rotary latch release member in the form of a rotor for a high torque, short stroke rotary electric motor which is electrically energized through a capacitor discharge system to release the latched member for spring biased movement into engagement with a bridging contact, thereby forcing the contact open from stationary contacts. A clapper type armature drives the contacts between open and closed positions through tubes, one of which extends through the latch mechanism. The tubes have spring biased plungers connected with the movable contact member to provide a low gradient spring force to the contacts permitting separation by the latch tube assembly and providing contact pressure when the magnetic operator closes the contacts. A manually operable handle and reset cam are disposed over the rotary latch mechanism and have mechanical connection with the latch release rotor to provide for manual operation of the release and for manual resetting of the latch mechanism. The wearable parts and time dated parts are all housed in a powerhead module which is readily detached from a base module and electronics module.
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Juds Mark A.
Smith Richard G.
Theisen Peter J.
Wycklendt Daniel A.
Donovan Lincoln
Eaton Corporation
Picard Leo P.
Vande Zande L. G.
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