Patent ID: 8776631

Claim:
A transmission shift fork for engaging with a coupling sleeve of a synchronizer and shifting the coupling sleeve, the transmission shift fork comprising: a first part configured and arranged to movably mount the transmission shift fork in a shift fork movement direction; and a second part including a coupling sleeve facing surface, an outwardly facing surface, and a pair of shift-direction facing surfaces disposed between the coupling sleeve facing surface and the outwardly facing surface, the coupling sleeve facing surface including at least one coupling sleeve engagement part configured and arranged to engage with an engaging groove formed on an external circumferential surface of the coupling sleeve, the outwardly facing surface including an oil catch disposed in a position with respect to the coupling sleeve engagement part such that the oil catch captures lubricating oil and supplies to the coupling sleeve engagement part; and at least one fin projecting from inside an oil receiving recess defined by the oil catch, wherein the oil catch being defined by a protruding rib having a base end portion connected to the outwardly facing surface of the transmission shift fork and a free end portion with the protruding rib protruding from the base end portion to the free end portion, with the oil receiving recess being open at both of the shift-direction facing surfaces of the transmission shift fork.