Double-action belt intended particularly for a speed varying dev

Details Double-action belt intended particularly for a speed varying dev Double-action belt intended particularly for a speed varying dev

1986-05-07

1987-10-20

Leppink, James A.

Endless belt power transmission systems or components

Belt having drive surfaces on opposite side edges of stacked...

474242, F16G 516

Patent

active

047011530

ABSTRACT:
A double-action belt intended for use with speed varying devices of the type having pulleys of variable diameter is constructed of many rigid trapezoidal elements that are articulated one to another at their bases. The rigid elements all have a central opening through which an elastic member extends. The rigid elements are strung in a closed loop along the elastic member with each element being held captive by the stretchable elastic member. The sides of the rigid trapezoidal elements which are opposite the articulated base carry protruding flanges. Those protruding flanges abut when the rigid elements are pressed together and cause the central portions of contiguous rigid elements to be spaced apart to accommodate those segments of the elastic member situated between contiguous rigid elements.

REFERENCES:
patent: 962563 (1910-06-01), Foster et al.
patent: 4303404 (1981-12-01), Moore
patent: 4428740 (1984-01-01), Moore
patent: 4560371 (1985-12-01), Hattori
patent: 4579550 (1986-04-01), Walker

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