Electric motor drive unit

Details Electric motor drive unit Electric motor drive unit

1978-03-13

1980-10-07

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 710

Patent

active

042271045

ABSTRACT:
An electric motor drive unit for driving a worm wheel such as for vehicle window regulator applications wherein a casing housing a rotatable armature utilizes a synthetic plastic end cap at one end, and a worm wheel housing constitutes the motor end cap at the other end. A worm shaft rotatably mounted within the wheel housing upon its own radial and thrust bearings interconnects to the motor armature through a self-aligning drive element extending through a thrust bearing defined in the worm wheel housing. The brush holders for the motor are homogeneously formed of synthetic plastic material upon the associated end cap, and the armature utilizes an inexpensive self-aligning bearing mounted within the end cap and worm wheel housing.

REFERENCES:
patent: 2030260 (1936-02-01), Lewis
patent: 2464847 (1949-03-01), Coffey
patent: 3269204 (1966-08-01), Schleicher, Jr.
patent: 3302048 (1967-01-01), Gray
patent: 3319098 (1967-05-01), Hartman
patent: 3463951 (1969-08-01), Bauerle et al.
patent: 3662202 (1972-05-01), Mabuchi

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