F - Mech Eng,Light,Heat,Weapons – 16 – G
Patent
F - Mech Eng,Light,Heat,Weapons
16
G
74/247
F16G 1/24 (2006.01) F16G 5/18 (2006.01)
Patent
CA 1214663
POWER TRANSMISSION CHAIN-BELT ABSTRACT: A power transmission chain-belt (30), 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 con- structed 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 trape- zoidal-shaped load blocks (44,46) 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.
447558
Borg-Warner Corporation
Macrae & Co.
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