Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on... – Including actuator interconnecting plural pulleys on spaced...
Patent
1985-09-17
1987-03-17
Novosad, Stephen J.
Endless belt power transmission systems or components
Pulley with belt-receiving groove formed by drive faces on...
Including actuator interconnecting plural pulleys on spaced...
474237, 474268, F16H 916, F16G 108
Patent
active
046504427
ABSTRACT:
A continuously variable transmission has a driving pulley and a driven pulley each of which has a V-shaped groove in which sits the belt. The belt comprises a base portion of a rubber-like compound in which are imbedded a plurality of transverse metal pins each of which has exposed bent end portions whose tips are tapered to conform to the taper of the grooves and a plurality of cables imbedded in the base and extending longitudinally around the belt for stabilizing the length of the belt. The pulley walls are coupled to their corrseponding shaft by a resilient coupling which helps provide a desired clamping force on the belt and which includes a series of serrated members designed to exhibit a wedging action which provides the desired clamping force.
REFERENCES:
patent: 3102431 (1963-09-01), Maurer
patent: 3757594 (1973-09-01), Kumm
patent: 3968703 (1976-07-01), Bellman
Gearless Transmissions Shift Out of "Park" Business Week Feb. 6, 1984, pp. 74-75.
CVT--The No-Shift Transmission, Popular Science, Jun., 1980, pp. 88-89.
Brown, Jr. Neuberne H.
Bui Thuy M.
Novosad Stephen J.
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