HIGH LOAD TRANSMISSION V-BELT, AND BELT TRANSMISSION DEVICE USING THE SAME

Japanese Patent JP3686857

B2

PROBLEM TO BE SOLVED: To secure favorable bending fatigue resistance of a tension strip 11 by restricting oscillation of each block 17 by torsional moment on the inlet side and the outlet side of a tension pulley 6 when a high load transmission V-belt 10 of a block type is inversely bent to be wound around the tension pulley 6.
SOLUTION: An upper part of each block 17 is provided to be tapered in such a way that its thickness gradually becomes smaller toward an upper end. The pitch of the blocks 17, 17, etc., is p, the pitch diameter of the tension pulley 6 is r (mm), and the outer diameter of the tension pulley 6 is r0 (mm), then thickness t (mm) at an upper end part 17d of each block 17 is set to satisfy: t=p(r0+α)/(r+α), -2≤α≤2 (mm). When the belt 10 is wound around the tension pulley 6, the upper end parts 17d and 17d of the adjoining blocks 17 and 17 are put to get in contact with each other. By positive interference by contact of the upper end parts 17d and 17d with each other, oscillation of the blocks 17 is restricted.

Ryuichi Kido
Sakae Umeda
Futoshi Masato
Koji Kuwahara

JP2001313838A

August 24, 2005

October 11, 2001

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Bando Chemical Industries, Ltd.
Daihatsu Motor Co., Ltd.

F16H9/04; F16G5/16; (IPC1-7): F16G5/16; F16H9/04

JP2001159453A
JP3062251U
JP11108125A
JP60173744U
JP2003004103A

Hiroshi Maeda
Hiroshi Koyama
Hiroshi Takeuchi
Takahisa Shimada
Yuji Takeuchi
Katsumi Imae
Teshima Masaru
Atsushi Fujita

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