Pulley

Details Pulley Pulley

1998-09-09

2000-08-15

Bucci, David A.

Endless belt power transmission systems or components

Friction drive pulley or guide roll

With stationary support for pulley or guide roll

474903, 384523, F16H 5536, F16C 3338

Patent

active

061028223

ABSTRACT:
A ball bearing cage fitted in a pulley main body having peripheral surface to be contacted by a belt. The pulley bearing includes a raceway surface and grease. The cage has pockets for receiving balls which are circumferentially disposed with unequal pitch such that when some of the vibrating balls impart channeling to the grease on the raceway surface, the other balls ride on the grease on the raceway surface. This suppresses or prevents the occurrence of cold peculiar sound.

REFERENCES:
patent: 3918778 (1975-11-01), Jacobson et al.
patent: 4040686 (1977-08-01), F'Geppert
patent: 5553949 (1996-09-01), Fukuwaka et al.
patent: 5728020 (1998-03-01), Muranaka et al.
patent: 5941704 (1999-08-01), Arai et al.

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