Idler pulley adjuster

Details Idler pulley adjuster Idler pulley adjuster

1985-07-02

1987-02-03

Novosad, Stephen J.

Endless belt power transmission systems or components

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

51148, F16H 708, B24B 2100

Patent

active

046406875

ABSTRACT:
An idler pulley adjustment mechanism for use with a sanding belt tightly wound on three co-planar pulleys includes a means for adjusting one of the pulleys in at least two axes. There is provided a vertical shaft secured to a hanger which is attached to a frame. Below the hanger is a tracking bracket secured to the shaft. The tracking bracket is adjustable by an offset threaded shaft for rotating the corresponding pulley shaft in one axis. A spring biases the tracking bracket relative to the upright frame. A second adjustable member is pivotally attached to the first adjustable member for providing adjustment of the pulley along a second axis perpendicular to the first axis. A set screw extending from the frame pivots the second adjustable member.

REFERENCES:
patent: 2449519 (1948-09-01), Sutton
patent: 2706367 (1955-04-01), MacCarthy
patent: 3127712 (1964-04-01), Krogen et al.
patent: 3760538 (1973-09-01), Solheim
patent: 3909987 (1975-10-01), MacCarthy, Sr.

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