Electric drive unit

Details Electric drive unit Electric drive unit

1980-03-10

1983-01-18

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 75R, 310 90, 74427, H02K 710

Patent

active

043693873

ABSTRACT:
An electric drive unit particularly adapted for actuating windshield wiper assemblies includes a motor having it's armature shaft carrying aportion having two oppositely pitched worm threads. Two worm gear wheels are disposed each on opposite sides of the threaded portion and in engagement therewith. The axes of rotation of the worm wheels are in parallel. Two spur wheels are each concentrically seated on a respective worm wheel. The spur wheels each engage a wheel having its axis of rotation located in a plane defined by the axes of rotation of the worm wheels. The toothed wheel is connected to a drive shaft.

REFERENCES:
patent: 790875 (1905-05-01), Abrey
patent: 2422933 (1947-06-01), Small
patent: 2639394 (1953-05-01), Douglas
patent: 3121396 (1964-02-01), Aabye
patent: 3143897 (1964-08-01), Kohn
patent: 3152488 (1964-10-01), Sergan
patent: 3196301 (1965-07-01), Turk
patent: 3879623 (1975-04-01), Mijake
patent: 3909646 (1975-09-01), Haydon
patent: 4087709 (1978-05-01), Haydon

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