Variable speed transmission

Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position

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Details

74568R, F16H 128, F16H 5300

Patent

active

048563781

ABSTRACT:
The invention is a variable speed transmission for adjusting the output of a drive shaft. It comprises a journal mounted rotatable casing with an internal cyclical periodic track selectively pushed by a plurality of reciprocating push rods activated by a variably extendable cam mounted to a drive shaft. The torque ratios are directly proportional to the degree the push rods are extended by the extendable cam.

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patent: 4520693 (1985-06-01), Sfredda

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