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

045169659

ABSTRACT:
A power transmission chain-belt, especially adapted to transmit power between the pulleys of a pulley transmission, such as a variable ratio pulley transmission. 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. Trapezoidal load blocks carried by the chain have angled edge surfaces to drivingly contact the flanges of the pulleys. In one embodiment of the invention, a block is located between each adjacent pair of pivot means and at least one block has a different width than the other load blocks, so that its edges are free of contact with the flanges of the pulleys and thus do not drivingly engage the flanges.
Substantially the same effect is achieved by "skipping" one or more load blocks in the assembly, i.e. by eliminating one or more load blocks in the chain-belt. These arrangements change the generated noise pattern produced when the chain-belt engages the pulley flanges.

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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