Continuously variable transmission

Details Continuously variable transmission Continuously variable transmission

2004-11-19

2009-08-18

Ridley, Richard W L (Department: 3656)

Endless belt power transmission systems or components

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

With spring device

C474S028000

Reexamination Certificate

active

07575528

ABSTRACT:
A continuously variable transmission having an input cone pulley pair and an output cone pulley pair linked by and an encircling mechanism. One pulley of each pair is axially fixed and one pulley is axially displaceable to control the transmission ratio of the transmission. A recoil spring engages between the input moveable pulley and an axially fixed contact surface only when the transmission is in the low transmission ratio range for exerting a force to displace the input moveable cone pulley to a high transmission ratio to avoid damage to the transmission or starting clutch during towing.

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