Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1987-11-16
1990-01-30
Braun, Leslie A.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
74203, 74797, F16H 1306, F16H 1500
Patent
active
048965669
ABSTRACT:
A device for transforming motion, and in particular a speed reduction gear, comprises a first stage comprising two moving members (50, 60) at least one of which is functionally coupled to a shaft (74) generating a rotary motion; a second stage comprising at least one set of two pulleys (54, 54) constrained to rotate together, and co-operating with respective transmission means, for example two endless drive strands (52, 64) which co-operate with the moving members of the first stage; and a moving support (26) which supports the two pulleys of the second stage to rotate freely and which is displaced over an imposed trajectory, thereby generating a second motion, with the first motion being a high speed motion and the second motion being a slow motion.
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patent: 3115794 (1963-12-01), Morin
patent: 3115795 (1963-12-01), Morin
patent: 4044633 (1977-08-01), Lee
patent: 4321842 (1982-03-01), Stromoitch
Braun Leslie A.
Chartoff Janice E.
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