Device for setting a gear ratio in a continually variable belt-d

Details Device for setting a gear ratio in a continually variable belt-d Device for setting a gear ratio in a continually variable belt-d

1988-12-27

1990-04-24

Bui, Thuy M.

Endless belt power transmission systems or components

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

With spring device

F16H 5556

Patent

active

049196430

ABSTRACT:
A continually variable cone-pulley, belt-drive transmission includes a primary shaft having a cone-pulley arrangement actuated by a pressure servo, a secondary shaft driven by an endless belt having a cone-pulley, actuated by a second pressure servo. Spring assemblies located in the pressure servo preload compression springs. Each spring assembly includes a compression spring located in spring-receiving rings, a cup-shaped support ring, and a guide ring comprising a peg-shaped spring guide. Preload on the compression springs is released during the first complete movement of the cone-pulley assembly by loading a locking and unlocking pin.

REFERENCES:
patent: 4345664 (1982-08-01), Anno et al.
patent: 4427402 (1984-01-01), Steinhofer
patent: 4617004 (1986-10-01), Mott

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