Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent
1990-08-01
1992-01-21
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to intermittent unidirectional motion
74 63, 74117, 280236, 280260, F16H 2904, B62M 102
Patent
active
050818775
ABSTRACT:
A steplessly variable transmission is described in which a driving element and a driven element are adjustable eccentrically to one another and are coupled via pivotal levers which are journalled on one element and can be brought into force transmitting clamping engagement with the other element via coupling shoes. In the context of this series connection the two change speed units are inversely combined with an eccentric positioning device being provided which either jointly actuates the members with the ring tracks associated with the coupling elements or the members with the coupling elements. The force transmitting zones of engagement of the two units are angularly displaced relative to one another and the eccentricities of the two units and also the lever arms associated with the coupling elements can be so selected that ideal transmission ratios result which are largely free of fluctuations.
REFERENCES:
patent: 2547453 (1951-04-01), Egy
patent: 3803931 (1974-04-01), Bianchini et al.
patent: 4505163 (1985-03-01), Falkner
patent: 4712450 (1987-12-01), Takamiya et al.
patent: 4916974 (1990-04-01), Kozakae et al.
Herrmann Allan D.
Laub David W.
Look S.A.
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