F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/261
F16H 7/10 (2006.01) F16H 7/12 (2006.01) F16H 7/08 (2006.01)
Patent
CA 1323218
AP-1000 APPARATUS FOR AUTOMATICALLY TENSIONING A DRIVE BELT ABSTRACT An apparatus for tensioning a belt consisting of a tensioner arm having an idler pulley for engagement with a surface of a drive belt, structure for mounting the tensioner arm to a support for pivoting movement about a pivot axis in first and second opposite directions, and structure for biasing the tensioner arm in one of the first and second directions. The mounting structure includes first and second members with first and second relatively movable cooperating friction generating surfaces for damping rotation of the tensioner arm. At least a portion of one of the friction generating surfaces is concave opening towards the tensioner with at least one of the friction generating surfaces having at least a portion defined by other than a radius centered on the pivot axis of the tensioner arm to thereby produce a greater resistance to rotation of the tensioner arm in the other of the first and second direc- tions than in the one of the first and second tensioner arm pivoting directions.
613284
Ando Masakatsu
Fujimoto Naoki
Hashimoto Yasuhiro
Hirai Hideo
Tanaka Norikazu
Ando Masakatsu
Finlayson & Singlehurst
Fujimoto Naoki
Hashimoto Yasuhiro
Hirai Hideo
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