Driving device for effecting linear motion

Details Driving device for effecting linear motion Driving device for effecting linear motion

1982-04-07

1984-03-20

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310266, H02K 706

Patent

active

044383606

ABSTRACT:
An electrically operated driving device includes a bell type armature motor with a hollow shaft containing an internal thread. An axially extending threaded spindle is located within and in threaded engagement with the shaft. The rotation of the hollow shaft is transformed into liner motion effected by the spindle. The movement of the threaded spindle relative to the hollow shaft can afford a different speed and/or a different direction of rotation. The armature is of the iron-free or ironless type. The device operates at the least weight almost inertialess, and converts the produced power without significant friction losses and it can be used in a very limited space.

REFERENCES:
patent: 2959041 (1960-11-01), Scheller et al.
patent: 2978621 (1961-04-01), Martinek
patent: 3441761 (1969-04-01), Painton et al.
patent: 4201935 (1980-05-01), Fukuma et al.
patent: 4277706 (1981-07-01), Isaacson
Gluckauf (1954), p. 852.

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