Electric motor drive unit

Details Electric motor drive unit Electric motor drive unit

1980-04-23

1982-03-09

Footland, Lenard A.

Cutlery

308237R, F16C 2304

Patent

active

043185738

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: 3302048 (1967-01-01), Gray
patent: 3319098 (1967-05-01), Hartman
patent: 3463951 (1969-08-01), Bauerle et al.
patent: 4053190 (1977-10-01), McCloskey
patent: 4087137 (1978-05-01), Voitas

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