Patent ID: 8109366
Filing Date: 2012-02-07
Classification: F16H

Abstract:
1. A lubricating structure for a static hydraulic continuously variable transmission, comprising: a transmission shaft, said transmission shaft including a central oil path axially formed at a center thereof; a first stop groove and a second stop groove formed in the shaft of the transmission adjacent to a cylinder member; a pin surrounding the transmission shaft, the pin formed in a semicircular shape and installed in the first stop groove; a retainer covering an outer circumferential surface of the pin; a C ring installed in the second groove and preventing the retaining ring from becoming loose; a circumferential oil path being formed between an inner circumferential part of the retainer and an outer circumference of said transmission shaft; a radially extending oil path, said radially extending oil path being formed in said transmission shaft and being in communication with said circumferential oil path and said central oil path, said radially extending oil path being provided with an orifice; and a lubricant oil ejection hole, said lubricant oil ejection hole being formed through an outer surface of said retainer and being in communication with said circumferential oil path to eject lubricant oil from said circumferential oil path.