Converting rotary motion into variable-amplitude reciprocation

Details Converting rotary motion into variable-amplitude reciprocation Converting rotary motion into variable-amplitude reciprocation

1978-12-22

1981-03-17

Staab, Lawrence J.

Machine element or mechanism

Alternating-motion driven device with means during operation...

Stroke adjustable to zero and/or reversible in phasing

74 44, 92 137, F16H 3508, F01B 3114

Patent

active

042559898

ABSTRACT:
For transferring a rotary drive to a movable member in order that the latter may be reciprocated with a variable amplitude stroke, a mechanism is disclosed which comprises two parallel shafts, each carrying an arm or a disc, a peripheral pin on each disc being pivoted to one end of a connecting rod, the opposite end of which is pivoted to the either end of a rocker. The central pivot of the rocker is borne by a member which is so guided that only a reciprocal motion is permitted thereto.

REFERENCES:
patent: 2806431 (1957-09-01), Woydt
patent: 3103173 (1963-09-01), Griswold
patent: 3162131 (1964-12-01), Clark

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