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...
Reexamination Certificate
2007-01-16
2007-01-16
Johnson, Vicky A. (Department: 3682)
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...
Reexamination Certificate
active
10421046
ABSTRACT:
A tensioner for generating tension in a power-transmitting belt is provided. The tensioner includes a base, which may be secured to an engine, and an arm that is movably attached to the base. A pulley is rotatably attached to the arm for engaging the belt. A spring is operatively connected to the arm and the base for urging the arm to move relative to the base in a first direction. When the arm is moved in the first direction, the pulley is moved into engagement with the belt with a force to tension the belt. The tensioner further includes a stop that is adjustably positioned on the base to limit the movement of the arm in a second direction. The position of the stop on the base may be automatically adjusted by the spring during installation of the tensioner.
REFERENCES:
patent: 4416647 (1983-11-01), White, Jr.
patent: 5575727 (1996-11-01), Gardner et al.
patent: 5591094 (1997-01-01), Farmer et al.
patent: 6689001 (2004-02-01), Oliver et al.
patent: 19926612 (2000-12-01), None
patent: WO 00/77421 (2000-12-01), None
patent: WO 00/77422 (2000-12-01), None
Meckstroth Richard J.
Oliver Larry R.
Zamm Joseph W.
Dayco Products LLC
Johnson Vicky A.
Tassone Joseph V.
Thompson Hine LLP
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