Fail safe actuator

Details Fail safe actuator Fail safe actuator

1984-05-31

1986-08-05

Staab, Lawrence J.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

744115, 744248R, 188106P, 188151A, 188171, 192 2, 192 4R, 244 75R, F16H 2522, F16H 5710

Patent

active

046035940

ABSTRACT:
An actuator including a motor having a rotary output, an actuating arm mounted for reciprocating movement, and a mechanism, interconnecting the output and the arm to convert rotary motion to reciprocating motion. The mechanism includes a rotary element. A brake is provided including a friction plate and first and second reaction plates. A solenoid and spring are operable to move the reaction plate into or out of engagement with the friction plate and cams associated with the rotary element are operable to move the reaction plate into engagement with the friction plate.

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