Endless belt power transmission systems or components – System including spaced pulleys interconnected by a belt – Positive drive pulley and friction drive pulley connected by...
Patent
1992-07-01
1994-01-11
Bui, Thuy M.
Endless belt power transmission systems or components
System including spaced pulleys interconnected by a belt
Positive drive pulley and friction drive pulley connected by...
F16H 700
Patent
active
052776689
ABSTRACT:
A belt drive variable gear transmission system is provided. The system includes a drive disk which has a peripheral running surface for engagement with a drive belt. The peripheral running surface of the drive disk may include a toothed profile. A drive belt is included having a V-shaped profile with angled flanks in a relatively flat inner peripheral surface for engagement with the peripheral running surface of the drive disk. A tension roller is provided in running contact with the drive belt and is movable so as to vary tension on the drive belt thereby varying the transmission ratio of the system. The system further includes a spring washer disengagement disk. The disengagement disk includes two halves which are movably spaced from each other by means of a spring device. The disk halves include angled surfaces in running contact with the angled flanks of the drive belt. The spring device causes the disk halves to move together as the drive belt flanks wear so as to maintain a relatively constant gear transmission ratio for the system.
REFERENCES:
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patent: 4685898 (1987-08-01), Wiens
Bui Thuy M.
Rieter Ingolstadt Spinnereimaschinenbau AG
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