V BELT FOR CONTINUOUSLY VARIABLE TRANSMISSION

Japanese Patent JP3287519

B2

PURPOSE: To improve durability of a belt by way of avoiding increase in dishing as well as an upper cog jumping phenomenon by specifying a ratio of thickness of the center of a core wire body of a V belt in the thickness direction to an outer peripheral surface of a belt basis main body on the side of an upper cog and thickness to an inner peripheral surface of a belt basis main body on the side of a lower cog.
CONSTITUTION: A belt 2 suspended between a stepless transmission drive pulley and a driven pulley has a side surface having an inclination which is larger than an inclination of a sandwiching surface of the pulley, and it is provided with an upper cog 5 on the outer peripheral side of a belt basis 7 with a core wire body 10 built in it and a lower cog 6 on the inner peripheral side through an adhesive material layer 11 integrally. In this case, a ratio T1/T2 of thickness T1 of a belt basis main body 8 on the upper cog 5 side from the center of the core wire body 10 in the belt thickness direction and thickness T2 of a belt basis main body 9 on the lower cog 6 side in the same way is set as 0.1 or more and 0.5 or less. Additionally, material hardness of the upper cog 5 and the upper cog side belt basis main body 8 is as more than material hardness of the lower cog 6 and the lower cog side belt basis main body 9.

JP2016176521	V-BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION
JPH0673513	[Name of device] V-belt type continuously variable transmission
JP2001304363	PISTON FOR HIGH PRESSURE

Masaru Ohsuga

JP23480194A

June 04, 2002

September 29, 1994

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YAMAHA HATSUDOKI KABUSHIKI KAISHA

F16H9/18; F16G5/06; F16G5/20; (IPC1-7): F16G5/20; F16G5/06

JP2245542A
JP62155354A
JP59127946U
JP57134443U
JP59169449U
JP6366649U

Tsutomu Shimoichi

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