Linear actuator

Details Linear actuator Linear actuator

1983-07-25

1984-12-18

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 80, 310 83, H02K 710

Patent

active

044892489

ABSTRACT:
A linear actuator is disclosed which includes a frame, a first lead screw mounted to the frame and adapted for rotation, and a second lead screw mounted to the frame parallel to the first lead screw and adapted for rotation. An actuator block is movably secured to the first and second lead screws and includes an actuator assembly for selectively engaging the first lead screw to move the block in the first direction and an actuator assembly for selectively engaging the second lead screw to move the block in an opposing second direction.

REFERENCES:
patent: 3264502 (1966-08-01), Lytle et al.
patent: 3278774 (1966-10-01), Roller et al.
patent: 3777587 (1973-12-01), Hoshina et al.
patent: 3824420 (1974-07-01), Stegeman et al.
patent: 4066922 (1978-01-01), Henneman et al.

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