Strap drive with a safety stop for reverse torques

Details Strap drive with a safety stop for reverse torques Strap drive with a safety stop for reverse torques

1987-12-28

1989-03-21

Bui, Thuy M.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

474 12, F16H 5552

Patent

active

048139149

ABSTRACT:
A strap device for a pulley of a continuously variable transmission wherein a flexible strap has one end secured to the axially movable sheave of the pulley and the opposite strap end is secured to the cover encompassing the movable sheave, which cover is mounted on the rotary shaft for the pulley. To prevent buckling of the strap under reverse torques, a safety stop in the form of a pin is mounted in the cover to project into a slightly arcuate axial slot in the sheave hub and prevent undue relative rotation between the sheave and cover.

REFERENCES:
patent: 1124966 (1915-01-01), Stack
patent: 3715928 (1973-02-01), Case et al.
patent: 3780538 (1973-12-01), Mann
patent: 3868862 (1975-03-01), Bessette
patent: 3888130 (1975-06-01), Blanchette
patent: 4010654 (1977-03-01), Maucher et al.
patent: 4019345 (1977-04-01), Fukuda
patent: 4364735 (1982-12-01), Plamper et al.
patent: 4601679 (1986-07-01), Bock
patent: 4617004 (1986-10-01), Mott

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