Drive assembly for driving a rotary member, in particular a...

Details Drive assembly for driving a rotary member, in particular a... Drive assembly for driving a rotary member, in particular a...

2011-04-05

2011-04-05

Siconolfi, Robert A (Department: 3657)

Friction gear transmission systems or components

Spring urges contacting gears into engagement

Coil spring

C476S048000, C476S028000, C074S354000, C474S058000, C474S118000, C474S135000

Reexamination Certificate

active

07918758

ABSTRACT:
In a drive assembly for driving a pulley of a water pump of a combustion engine, a movable supporting arm is fitted idly with a drive wheel, and is loaded by a torsion spring to bring the drive wheel into angular engagement with the pulley fitted to the shaft of the pump, and with a drive belt of the engine; an actuating device (being activatable to exert a force in opposition to that exerted by the torsion spring, and detach the drive wheel from the pulley.

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Robert L. Norton, Machine Design an Integrated Approach, 1996, Prentice Hall, p. 720-722.

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