Power transmission chain-belt

Details Power transmission chain-belt Power transmission chain-belt

1983-05-23

1985-05-14

Leppink, James A.

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

474201, F16G 518

Patent

active

045169640

ABSTRACT:
A power transmission chain-belt, especially adapted to provide a drive and transmit power between the pulley of a pulley transmission, such as a variable ratio pulley transmission. In such each pulley has a pair of flanges, at least one of which is axially movable with respect to the other. The chain-belt is constructed of a plurality of ranks or sets of interleaved links, each rank being joined to the next adjacent rank by pivot means, such as round pins, or a pin and rocker, to permit articulation of the belt. Generally trapezoidal-shaped load blocks are located between the pivot means of each rank or set of links, which blocks have opposite edge surfaces to drivingly contact the flanges of the pulleys. At least one load block has a different width than the other load blocks, so as to contact the flanges of the pulley at a different radial location and different time than the other load blocks. Because of this construction, the generated noise pattern produced when the chain-belt engages the pulley flanges is modified.

REFERENCES:
patent: 4313730 (1982-02-01), Cole et al.
patent: 4344761 (1982-08-01), Steuer
patent: 4386922 (1983-06-01), Ivey

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