Speed change device

Details Speed change device Speed change device

1981-05-14

1983-10-18

Staab, Lawrence J.

Endless belt power transmission systems or components

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

Speed responsive

474 46, F16H 5556

Patent

active

044103123

ABSTRACT:
A speed change pulley of the type having a fixed flange, a movable flange and an annular, diaphragm spring urging the movable flange toward the fixed flange. The diaphragm spring has an outer peripheral Belleville spring portion bearing against the rim of the movable flange and radial fingers bearing on a fulcrum element connected axially to the shaft of the pulley and fixed for rotation therewith. Lugs integral with the free ends of the radial fingers fulcrum on part cylindrical portions on the fulcrum element. Edges parallel to the axis of the shaft of the pulley and integral with the fulcrum element are in engagement with the lugs for rotationally coupling the diaphragm spring to the fulcrum element. The lugs may be fixed to the ends of the radial fingers or in one piece therewith. The edges may define surface contact or line contact.

REFERENCES:
patent: 4020711 (1977-05-01), Woollard
patent: 4132120 (1979-01-01), Fenart
patent: 4178808 (1979-12-01), Bacher

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