Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1983-08-29
1985-06-04
Goldberg, E. A.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
335126, 335255, H01H 5002
Patent
active
045217580
ABSTRACT:
An electric starter solenoid for starting internal combustion engines includes a housing having a lower coil section and an outer rectangular contact section. The coil section has a hexagonal cross-section and a depth to receive an annular coil unit. An armature is journaled in the coil unit. A contact guide with spaced terminals to the opposite ends in the upper section. A floating contact plate is resiliently mounted on a guide pin and guided in the rectangular section. The guide pin engages the armature. A light spring urges the guide pin against the armature in spaced relation to the terminals. The coil unit includes a bottom plate with opposite projection mating with corners of the housing to angularly orient the coil unit in the housing. In one unit, a common coil lead is connected to the bottom plate. A mounting plate is secured to the open housing end with a coil spring between the metal plate and the closure plate to clamp the coil within the housing and simultaneously provides an electrical connection between the common side of the coil and the mounting plate. In an alternate structure, the housing is closed by a hexagonal cover which clamps the coil in plate. The housing and the cover include complementing clamping means to clamp the coil leads in position for connection of the coil to an appropriate circuitry. The coil leads may be connected to one or more external terminals on the housing or to a separate circuit connection in an integral housing.
REFERENCES:
patent: 4293835 (1981-10-01), Davis et al.
Andrews George
Clum Mfg. Co. Inc.
Goldberg E. A.
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