Flyweight with a lateral knob

Details Flyweight with a lateral knob Flyweight with a lateral knob

1994-08-12

1995-10-17

Schoeppel, Roger J.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

Speed responsive

474 46, F16H 6100

Patent

active

054585392

ABSTRACT:
The driving pulley is used in a variable-speed belt drive, which includes, in particular, two radially converging ramps facing each other and coaxial to a shaft, one ramp being rigidly attached to a movable flange and the other ramp being rigidly attached to the shaft in spaced relationship with the movable flange. A plurality of sliding flyweights are symmetrically located around the shaft and radially movable between the ramps. The improvement in the driving pulley is that each ramp includes a contact surface on which the flyweights are in contact wherein at least one movable ramp contact surface is curved. Each flyweight also includes a lateral knob engaged with the curved contact surface for ensuring that the contact point of the sliding flyweights with a curved contact surface does not substantially change as the flyweights slide.

REFERENCES:
patent: 3659470 (1972-05-01), Beaudoin
patent: 4102214 (1978-07-01), Hoff
patent: 4487595 (1984-12-01), Quick et al.
patent: 4496335 (1985-01-01), Quick et al.
patent: 4634405 (1987-01-01), Quick et al.
patent: 5052981 (1991-10-01), Robert
patent: 5328413 (1994-07-01), Robert

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