Linear actuator screw connected with parallel linear bearing

Details Linear actuator screw connected with parallel linear bearing Linear actuator screw connected with parallel linear bearing

1988-11-28

1990-05-15

Wong, Peter S.

Electrical generator or motor structure

Dynamoelectric

Rotary

74447, 744248NA, 403370, F16D 106, H02K 706

Patent

active

049260804

ABSTRACT:
A linear actuator comprising a stepping motor having a hollow motor shaft prevented from moving in a thrust direction and a flange on either shaft end, a screw extending through the hollow shaft, a nut connected to the motor shaft with a coupling and rotated to linearly move the screw. A plate member is mounted upon screw and a bar so as to connect them to each other, said screw and said bar passing through and being supported by a motor flange, said bar moving through a bearing of a holder mounted to the plate member such that the holder is in parallel to the screw.

REFERENCES:
patent: 3638974 (1972-02-01), Stratienko
patent: 3987323 (1976-10-01), Hess
patent: 4295753 (1981-10-01), Luerkin et al.
patent: 4364687 (1982-12-01), Adell

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