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
1995-08-07
1997-02-04
Novosad, Stephen J.
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...
F16H 708, F16H 716
Patent
active
055992455
ABSTRACT:
In a belt or chain tensioner a sliding bearing ring is arranged between an element rigidly connected to the housing and an element rigidly connected to the tension arm. In order to achieve an improved damping, the sliding bearing ring is provided at one place with a through-slot into which engages a projection on one of the two elements. In addition, the sliding bearing ring is preferably provided with at least two, and preferably more, axially oriented grooves which define narrow and flexible lamellae formed between them. The lamellae are inclined with respect to and bear against a facing peripheral surface of one of the two elements in order to obtain a direction-dependent damping, since the lamellae are easily pushed aside in one direction of rotation but are entrained and pushed up into an upright position in the opposite direction of rotation.
REFERENCES:
patent: 4886484 (1989-12-01), Hanes
patent: 5149306 (1992-09-01), Sidwell et al.
patent: 5458541 (1995-10-01), Adler et al.
patent: 5503599 (1996-04-01), Brehler et al.
INA Walzlager Schaeffler KG
Novosad Stephen J.
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