Rotary actuator

Details Rotary actuator Rotary actuator

1987-02-26

1988-09-20

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Locking means

74530, 74820, 188299, F16F 946

Patent

active

047716550

ABSTRACT:
A rotary actuator has a first rotor rotatable around a first axis and having a plurality of first projections circumferentially spaced and axially projecting from one end surface thereof, a second rotor rotatable around a second axis which is eccentric to the first axis and having at least a second projection circumferentially spaced and axially projecting from one end surface thereof, a rotating mechanism connected to the second rotor to rotate the second rotor, the first and second rotors being arranged such that their end surfaces face each other so that the second projection may engage with either one of the first projections to rotate the first rotor through a predetermined angle when the second rotor is rotated. The rotary actuator further has a detent stop for preventing the first rotor from rotating and holding the first rotor stationary in position while the second projection is engaged with neither one of the first projections and for releasing and allowing the first rotor to rotate while the second projection is engaged with either one of the first projections.

REFERENCES:
patent: 3478616 (1969-11-01), Smith
patent: 4512214 (1985-04-01), Surman
patent: 4644825 (1987-02-01), Yamazaki
patent: 4665764 (1987-05-01), Inoue et al.
patent: 4686863 (1987-08-01), Inoue et al.

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