Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Pulley or guide roll has eccentric mount for shifting or...
Patent
1995-05-15
1996-09-24
Schoeppel, Roger J.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Pulley or guide roll has eccentric mount for shifting or...
474135, F16H 710
Patent
active
055585876
ABSTRACT:
A self-contained rotary hydraulic belt tensioner. The tensioner includes a housing mounted for eccentric rotation about a shaft and biased in a first angular direction to apply tension to a timing belt, and a hydraulic element within the housing which is operable to resist rotation of the housing in a direction opposite the first angular direction. The hydraulic element acts against a cam which is received within the housing, a rotary seal acting between the shaft and the housing being effective to contain the oil supply for the hydraulic element within the housing.
REFERENCES:
patent: 4808148 (1989-02-01), Holtz
patent: 5052982 (1991-10-01), Ouchi
patent: 5186689 (1993-02-01), Yamamoto et al.
patent: 5186690 (1993-02-01), Yamamoto
Eaton Corporation
Sajovec Frank M.
Schoeppel Roger J.
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