Geneva drive mechanism

Details Geneva drive mechanism Geneva drive mechanism

1997-02-12

1999-05-25

Jeffery, John A.

Machine element or mechanism

Gearing

Rotary bodies

74 84R, 74820, F16H 5517

Patent

active

059061340

ABSTRACT:
A Geneva drive mechanism includes a Geneva gear having arcuate recesses and radially outwardly opening slots arranged alternately in a circumferential direction thereof, and a driving member having an engaging element for engaging the slots. The driving member has a cam. The cam includes a plurality of rolling elements rotatable and movable circumferentially of the driving member. The rolling elements are arranged in a portion of the cam which contacts the arcuate surfaces when the engaging element is disengaged from the slots and rotation of the Geneva gear is restricted.

REFERENCES:
patent: 3855873 (1974-12-01), Fletcher et al.
patent: 4334721 (1982-06-01), Satoh et al.
Database WPI, week 8644, Derwent Publications Ltd., London, GB; AN 86-290233, XP002032226 & Su 1 216 516 A (Ivanov S A), Nov. 13, 1986.

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