Battery-powered electric motor assembly

Details Battery-powered electric motor assembly Battery-powered electric motor assembly

1974-07-26

1977-01-25

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310 68A, 310 71, 310 89, H02K 1100

Patent

active

040053202

ABSTRACT:
A disclosure is made of an electric motor assembly in which a motor casing containing a motor and a battery casing housing one or more batteries are coupled in a manner so that a motor energizing circuit is turned on or off by relative rotational displacement between said two casings and the motor is fixed within said motor case by means of a terminal or contact strip. Further disclosed are raised ridges or grooves provided on said battery casing as means of supporting the whole assembly of said electric driving device, a method of immovably fixing said battery casing where said motor casing is made free for rotational displacement, a method of facilitating rotational displacement of said battery casing where said motor casing is immovably fixed, and also a switching mechanism.

REFERENCES:
patent: 2079356 (1937-05-01), Lukowski
patent: 2963598 (1960-12-01), Kent
patent: 3035191 (1962-05-01), Kent
patent: 3375381 (1968-03-01), Tavel
patent: 3450908 (1969-06-01), Mabuchi
patent: 3549920 (1970-12-01), Tavel

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