Endless belt power transmission systems or components – Means for adjusting belt tension or for shifting belt,... – Belt shifter for shifting belt laterally or for selective...
Patent
1996-05-10
1998-02-03
Schoeppel, Roger J.
Endless belt power transmission systems or components
Means for adjusting belt tension or for shifting belt,...
Belt shifter for shifting belt laterally or for selective...
152462, A47L 922
Patent
active
057138109
ABSTRACT:
A belt lifter for a vacuum cleaner includes a rotatable member attached to an extending arm for lifting a drive belt on and off of a drive shaft to respective connect and disconnect the belt. The rotatable member includes a lever arm which facilitates the rotation of the extending arm by providing a mechanical advantage. The lever arm is of sufficient length so as to permit hand gripping by an operator. The lever arm is movable between an operating position and a stowed position.
REFERENCES:
patent: 4686736 (1987-08-01), Petralia et al.
patent: 5012632 (1991-05-01), Kuan et al.
Fedorka Thomas J.
Meyer Robert B.
Schoeppel Roger J.
The Scott & Fetzer Company
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