Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Guide roll mounted for movement of its axis along arcuate...
Patent
1987-12-14
1989-06-13
Neuder, William P.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Guide roll mounted for movement of its axis along arcuate...
1883225, F16H 712
Patent
active
048388394
ABSTRACT:
An auto-tensioner has a fixed portion fixed portion fixed to a base, a displaceable device displaceable with respect to the fixed portion and contacting a belt, a tensioning device for urging the displaceable device so as to impart a tension to the belt while absorbing a portion of any fluctuation in the tension, and a vibration absorbing device disposed between the fixed portion and the displaceable device and capable of absorbing a portion of the fluctuation in the tension. The vibration absorption device includes a multi-disk fluid viscosity vibration damper having a least one fixed disk member fixed in relation to the fixed portion, at least one displaceable disk member displaceable together with the displaceable device, and a fluid which produces a viscosity resistance against the displacement of the displaceable disk member with respect to the fixed disk member.
REFERENCES:
patent: 2661915 (1953-12-01), O'Conner
patent: 4525152 (1985-06-01), Speer et al.
patent: 4596538 (1986-06-01), Henderson
patent: 4689037 (1987-08-01), Bytzek
patent: 4725260 (1988-02-01), Konorowski et al.
Honda Toshiharu
Watanabe Toshiki
Neuder William P.
Nippon Seiko Kabushiki Kaisha
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