Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on...
Patent
1993-02-19
1994-08-02
Bui, Thuy M.
Endless belt power transmission systems or components
Pulley with belt-receiving groove formed by drive faces on...
474 28, F16H 5900
Patent
active
053341082
ABSTRACT:
Pulley, in particular suitable for application in a continuously variable transmission, in which an endless belt can be fitted between the discs of the pulleys, the path of which endless belt can be influenced by a cylinder/piston device. The cylinder/piston device is provided with at least one pressure chamber provided with walls, one of the walls being provided with a resilient hinge, as a result of which elastic expansion of the wall around the hinge is achieved at relatively high pressures in the pressure chamber. Therefore, the shaft, along which at least one of the discs is axially displaceable, is not clamped and deformed to a lesser extent under heavy load, so that the action of the transmission is not impeded.
REFERENCES:
patent: 3948111 (1976-04-01), Dittrich
patent: 4559026 (1985-12-01), Pitoiset
patent: 4573948 (1986-03-01), Thirion de Briel
patent: 4639238 (1987-01-01), Jaccod
patent: 4713041 (1987-12-01), Stockton
patent: 4753627 (1988-06-01), Kawamoto
Bui Thuy M.
VAN Doorne's Transmissie B.V.
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