Actuator

Details Actuator Actuator

1989-12-13

1991-11-05

Braun, Leslie A.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

192142R, F16H 2920, F16D 7100

Patent

active

050623125

ABSTRACT:
An actuator is provided with a motor having a worm, a worm wheel in engagement with said worm and having a pinion-engaging part, a pinion having a worm wheel-engaging part and a rotational axis offset from the rotational axis of the worm wheel, a sector wheel having an output arm and meshing with the pinion, a contact holder, and a positional switch for switching contacts according to the engagement of the contact holder with the sector wheel. The sector wheel is sited at its starting position in a state in which the pinion-engaging part is engaged with the worm wheel-engaging part at a position opposite to the rotational axis of the pinion relative to the rotational axis of the worm wheel. The actuator is compact and uses the motor power very effectively.

REFERENCES:
patent: 1339845 (1920-05-01), Burchett
patent: 1387636 (1921-08-01), Alden
patent: 2464584 (1947-12-01), Kesselring
patent: 2844038 (1958-07-01), Danta
patent: 3406583 (1968-10-01), Baier
patent: 3635100 (1972-01-01), Littmann
patent: 4806712 (1989-02-01), Hoffman et al.

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