Link chain for an infinitely variable cone disk or cone pulley t

Details Link chain for an infinitely variable cone disk or cone pulley t Link chain for an infinitely variable cone disk or cone pulley t

1989-04-11

1990-03-20

Bui, Thuy M.

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

F16G 1308

Patent

active

049097784

ABSTRACT:
The link chain is formed of elongated links (2) connected transversely by connecting joints (4) which are formed by pairs of connecting joint elements (1). The connecting joint elements, in cross section, are somewhat crescent-shaped or bent, oval, and define joint engagement surfaces in the region of the terminal ends, for engagement with link engagement surfaces formed in apertures (5) of the link elements (2). The convex side of an inner link element (1) of the pair fits against the concave side of an outer link element of the pair, which, in turn, bears with its joint engagement against the link engagement surface of the aperture. The arrangement permits constructing all the link elements in identical manner, and, further, by placing the joint element pairs in respective link elements with the outermost ones of the link elements engaging, selectively, the link engagement surfaces either with the respective joint engagement surface on the concave side or on the convex side, permits placement of the roll-off of the link elements with respect to each other at different locations with respect to a median or center line, thereby substantially reducing noise level of the chain in operation by preventing sequential repetitive impact engagement of the link elements with a cone disk or cone pulley of the transmission.

REFERENCES:
patent: 4344761 (1982-08-01), Steuer
patent: 4449960 (1984-05-01), Van Der Lely
patent: 4581001 (1986-04-01), Rattunde et al.
patent: 4618338 (1986-10-01), Rattunde et al.
patent: 4795406 (1989-01-01), Dittrich et al.

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