Electric motor comprising lateral positioning means

Details Electric motor comprising lateral positioning means Electric motor comprising lateral positioning means

1989-09-05

1990-12-25

Bui, Thuy M.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Pulley shifter

474133, F16H 714

Patent

active

049799274

ABSTRACT:
An electric motor furnished with an end flange for its attachment to the wall of a bracket or the like, includes a belt tensioning contrivance incorporated in the flange. A circular projection the center of which is parallel and eccentrically positioned to the shaft of the motor protrudes out of the end face of the flange and engages with a circular perforation of corresponding size in the bracket wall. The motor shaft extends through the perforation, and a drive pulley is fastened to it. By turning the motor about the axis of the perforation, the shaft and the pulley describe a circular path, whereby the distance between the drive pulley and a stationary driven pulley is changed, permitting ready placing and tensioning of a belt or belts running over the two pulleys.

REFERENCES:
patent: 2640367 (1953-06-01), Rieser
patent: 3382728 (1968-05-01), Takahashi
patent: 4568318 (1986-02-01), Johnson et al.
patent: 4631044 (1986-12-01), Redmon

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