Indexing rotary actuator with energy storage and linkage locking

Details Indexing rotary actuator with energy storage and linkage locking Indexing rotary actuator with energy storage and linkage locking

1977-10-21

1979-09-04

Wyche, Benjamin W.

Machine element or mechanism

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

Preselected indexed position

74813L, 74817, B23Q 1700

Patent

active

041664027

ABSTRACT:
An indexing rotary actuator for applying the torque of a rotatable pivot arm to rotate a member between plural index positions. The forward stroke of the pivot arm drives a slider crank linkage through a four bar linkage to unlock the rotatable member and rotate the member to its next index position. On the return stroke of the pivot arm a spring biased locking arm on the rotatable member is interlocked with the actuator to lock the rotatable member in the index position. Interlock switches are provided to indicate when a rotated member is in a valid index position.

REFERENCES:
patent: 3473207 (1969-10-01), George

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