Planetary belt transmission and drive

Details Planetary belt transmission and drive Planetary belt transmission and drive

1997-06-04

1999-09-21

Wright, Dirk

Planetary gear transmission systems or components

Planet pinion engages flexible belt or chain

F16H 926

Patent

active

059546115

ABSTRACT:
A transmission includes a ring member, a sun member, a number of planetary sheaves and a serpentine drive member which wraps around the sun member, and the planetary sheaves. The planetary sheaves are attached to a planet carrier at a distance from the sun member. When the serpentine drive member is wrapped around the sun member and the planetary sheaves, the serpentine drive member forms a C-shape. The transmission can be used in a device that has an input shaft that must be rotated at a first speed and an output shaft that must be rotated at a second speed. The transmission can even be used as a reverser. The serpentine drive member can be any type of drive member, including a timing belt with teeth, a flat belt, a cable chain, or a link chain.

REFERENCES:
patent: 142365 (1873-09-01), Armstrong
patent: 555684 (1896-03-01), Dubreuil
patent: 1324945 (1919-12-01), Weriane
patent: 1670144 (1928-04-01), Ewart
patent: 2197014 (1940-04-01), Stenzy
patent: 2852854 (1958-09-01), Hobbs
patent: 2941421 (1960-06-01), Plotti
patent: 3691871 (1972-09-01), Gladow et al.
patent: 3842685 (1974-10-01), Philpott et al.
patent: 5462363 (1995-10-01), Brinkman

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