Title:
BELT MECHANISM PROVIDED IN BICYCLE CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2023/210605
Kind Code:
A1
Abstract:
The present invention relates to a belt mechanism provided in a bicycle continuously variable transmission including a drive pulley and a driven pulley each configured from a pair of sheaves that can be moved toward and away from one another in the direction of an axis of rotation, and a V-belt wound between the drive pulley and the driven pulley, wherein an LT coefficient of the V-belt with respect to the drive pulley lies in a range of 8 to 12 in a usage condition in which torque is maximized with the continuously variable transmission shifted to a lowest speed side, and the V-belt has a belt transverse stiffness in a range of 1500 to 2500 N/mm in a ride-out change measurement test.
Inventors:
YANAGIHARA KAZUHITO (JP)
TAKANO KEIJI (JP)
TAKANO KEIJI (JP)
Application Number:
PCT/JP2023/016186
Publication Date:
November 02, 2023
Filing Date:
April 24, 2023
Export Citation:
Assignee:
MITSUBOSHI BELTING LTD (JP)
International Classes:
B62M9/08; F16G5/06; F16H9/16
Foreign References:
| JP2019503923A | 2019-02-14 | |||
| JPH0359292U | 1991-06-11 | |||
| JPH06341492A | 1994-12-13 | |||
| JP2003013743A | 2003-01-15 | |||
| JP2010167976A | 2010-08-05 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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