Gear motor assembly
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United States of America Patent
Stats
-
Aug 29, 2017
Grant Date -
Oct 22, 2015
app pub date -
Apr 17, 2015
filing date -
Apr 18, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gear motor assembly includes a motor and a gearbox connected together. The motor includes a stator and a rotor. The stator has a housing, magnets attached to the housing, and brushes. The rotor includes a shaft with a rotor core, a commutator, a sleeve, a bushing and a worm mounted thereon. The bushing is slidably located between the commutator and worm. The sleeve is located between the commutator and the bushing. The rotor is balanced with the worm fix to the shaft. The gearbox includes a casing having an opening, and a worm gear received in the casing. The brushes of the motor are mounted in the casing. The shaft has a first end that extends into the gearbox. The bushing is fixed in the casing via a bushing seat.
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