Machine element or mechanism – Alternating-motion driven device with means during operation... – Stroke adjustable to zero and/or reversible in phasing
Patent
1989-07-24
1990-06-19
Herrmann, Allan D.
Machine element or mechanism
Alternating-motion driven device with means during operation...
Stroke adjustable to zero and/or reversible in phasing
74 88, 74834, F16H 2120
Patent
active
049342177
ABSTRACT:
A multiple speed ratio power transmission apparatus, comprises input mechanism adapted to be connected to a power source for being driven with a constant reciprocating or oscillating motion, output mechanism including a rotatable output shaft, motion transmitting mechanism for controllably coupling the input mechanism to the output means, the motion transmitting means including an energy connecting element drivably connected to the input mechanism so as to be driven into a reciprocating or oscillating motion with a selectively, discretely variable stroke S=NS.sub.min, where S.sub.min is an increment of movement of the energy connecting element corresponding to one complete motion of the input mechanism and N=1,2,3, etc. indicating a selectively variable number of complete motions of the input mechanism, the energy connecting element being drivably connected to the output shaft for driving the output shaft through 180.degree. rotation with each selected stroke S thereof, the motion transmitting mechanism being adapted to move in either of opposite directions when the input mechanism is in deadpoints of its motion and deadpoints in the reciprocating or oscillating motion of the energy connecting element being synchronized with the deadpoints in the motion of the input mechanism, and speed ratio change mechanism operatively associated with the motion transmitting mechanism for selectively, discretely varying the stoke S of the energy connecting element to thereby change a speed ratio between the motion of the input mechanism rotation of the output shaft.
REFERENCES:
patent: 3085452 (1963-04-01), Thompson
patent: 3312112 (1967-04-01), Draganti
patent: 4062246 (1977-12-01), Lukawsky
patent: 4182203 (1980-01-01), Drury
patent: 4565105 (1986-01-01), Peterson
patent: 4622793 (1986-11-01), Oki
Carrier Joseph P.
Chartoff Janice E.
Herrmann Allan D.
Petrik Robert M.
Weiner Irving M.
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