Toyota Jidosha Kogyo Kabushiki Kaisha

Mitsubishi Chemical Corporation

Harada Yukihiro

Shoichi Ohshima

Shiuichiro Ida

Syunichi Hirashima

Okamoto Satoshi

A gear transmission including a casing containing lubrication oil therein, a counter shaft rotatably mounted in the casing and constantly transmitting rotational movement from a power input shaft by gear trains, a counter shift gear rotatably mounted on the counter shaft through a bearing, a shift gear rigidly mounted on a power output shaft and being in constant meshing engagement with the counter shift gear, and a clutch for interrupting the relative rotational movement between the counter shaft and the counter shift gear. The counter shaft is provided therein with an oil port, one end of which is opened at one edge surface of the counter shaft and the other end of which is opened at the abutting surface between the counter shaft and the bearings. Lubrication oil is supplied to the bearings through the oil port.

Growing community of inventors

Kariya, Japan

Harada Yukihiro