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...
Patent
1981-05-26
1983-11-22
Staab, Lawrence J.
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...
474137, 474138, 474135, F16H 712, F16H 710
Patent
active
044166478
ABSTRACT:
A tensioner for an endless power transmission belt is provided wherein such belt is employed in driving a sheave comprising at least one accessory which upon being driven creates a slack side and a tight side in the belt on opposite sides of the sheave and the tensioner comprises, a first support arm having pivot means, a first idler pulley rotatably carried by the arm, and a pivot pin extending through the pivot means and supporting the first arm adjacent the sheave with the first pulley engaging the slack side to enable tensioning thereof; and, the tensioner further comprises a second support arm supported by the pivot pin, a second idler pulley rotatably carried by the second arm and engaging the tight side of the belt, and means connecting the second arm to the first arm to thereby move the first arm and its pulley into belt tensioning and dampening engagement against the slack side once the tight side of the belt moves the second pulley and second arm.
REFERENCES:
patent: 1257660 (1918-02-01), Willis
patent: 1578700 (1925-07-01), Anderson
patent: 1809481 (1931-07-01), Haussmann
patent: 2010056 (1935-08-01), Brush
patent: 2945393 (1960-07-01), Paulson
patent: 3142193 (1961-11-01), Polko et al.
patent: 3545294 (1970-12-01), Pankowski
patent: 4069719 (1978-01-01), Cancilla
patent: 4351636 (1982-09-01), Hager
IBM Technical Disclosure Bulletin vol. 17, No. 5, Oct. 1974, R. B. Shuman "Compensating Idler System for Bi-Directional Belt Drive".
Bednarek Michael D.
Dayco Corporation
Staab Lawrence J.
Tassone Joseph V.
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