Driving belt for stepless speed variation

Endless belt power transmission systems or components – Friction drive belt – Including plural interconnected members each having a drive...

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F16H 516

Patent

active

052364011

ABSTRACT:
A driving belt for stepless speed variation capable of smoothly traveling and accomplishing power transmission with high efficiency. The driving belt includes an endless metal strip consisting of a plurality of first metal strip elements and a second metal strip element formed into a length larger than the first metal strip elements, a plurality of blocks each provided at a center of an upper portion thereof with a groove through which the endless belt is fittedly inserted and having both side surfaces in a direction of advance of the driving belt curved, and a plurality of pins each arranged so as to extend across the groove of the block. The second metal strip element is formed into a corrugated shape, resulting in exhibiting elastic force and the both side surfaces each are formed so as to have a center of curvature defined at an intermediate position of a depth of the groove, so that the blocks adjacent to each other may abut against each other near the metal strip.

REFERENCES:
patent: 4457742 (1984-07-01), Hattori et al.
patent: 4790798 (1988-12-01), Hattori
patent: 4854926 (1989-08-01), Hattori
patent: 4891039 (1990-01-01), Hattori et al.

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