Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent
1994-10-06
1997-02-11
Ta, Khoi Q.
Machine element or mechanism
Mechanical movements
Rotary to intermittent unidirectional motion
475196, F16H 148, F16H 5708
Patent
active
056009992
ABSTRACT:
Method and apparatus for translating a rotary input to a rotary output, the apparatus having a primary cam for providing a rotary input in a first direction, a secondary cam having a plurality of cycles, each cycle subtending a cycle angle of .theta., an intermediate member, the intermediate member having a plurality of radial slots, the slots separated from each other by a slot angle of .beta., where .beta.<.theta., the slots being for receipt of respective interacting elements, wherein the primary cam has a rise side and a fall side and wherein each secondary cam cycle has a clockwise side and a counterclockwise side, and wherein the slot angle locates the slots such that the rise side of the primary cam interacts with the counterclockwise side of the secondary cam cycles, the primary and secondary cams for mounting on a common axis with the intermediate member and the cams and member interacting to provide a rotary output in a direction opposite to the first direction.
REFERENCES:
patent: 4476735 (1984-10-01), Cantwell
Synkinetics, Inc.
Ta Khoi Q.
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