US Patent 11835134 Continuously variable transmission

A continuously variable transmission includes: a fix pulley; a slide pulley: an endless annular member sandwiched by the fix pulley and the slide pulley; a cylinder member which is fixed to the fix pulley, and which includes a cylinder cylindrical portion constituting a wall of a pulley pressure receiving chamber; and a stopper member disposed at a position at which the stopper member is abutted on the cylinder member when a hydraulic pressure which is equal to or greater than a predetermined value is supplied to the pulley pressure receiving chamber.