Drive belt, element therefor and construction in which this is u

Details Drive belt, element therefor and construction in which this is u Drive belt, element therefor and construction in which this is u

1998-08-17

2000-04-04

Bucci, David A.

Endless belt power transmission systems or components

Friction drive belt

Including groove, openings or pockets formed in belt surface...

188201, 188245, F16G 128, F16G 121

Patent

active

060454741

ABSTRACT:
A drive belt for a continuously variable transmission having belt discs having an at least partially conical contact surface for enclosing a drive belt between pairs of said discs, which drive belt to this end comprises one or more transverse elements provided with converging side faces intended to come into contact with the contact surface of a belt disc and wherein one or more side faces possess a surface which has protuberances providing a profile, which surface has therein contact faces, defined by the protuberances, for coming into contact with the contact surface of a belt disc, wherein the profile is shaped such that on cross-sectioning parallel to the side face concerned, or after wear of the profile at or down to a level which is located at least thirty percent and at most seventy percent of the profile height beneath the initial profile height, the surface area effectively available for coming into contact with the contact surface of a belt disc lies within the range of forty to sixty percent with respect to the dimensions of the side face in which the contact faces are present.

REFERENCES:
patent: 4718881 (1988-01-01), Sugimoto et al.
patent: 4826473 (1989-05-01), Miyawaki
patent: 5011461 (1991-04-01), Brouwers

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