ApplicationNo. 06/031397 filed on 04/19/1979
US Classes:74/339, Meshing assisters74/473.1Transmission control
ExaminersPrimary: Husar, C. J.
Assistant: McKenzie, Frank
Attorney, Agent or Firm
International ClassF16H 63/30 (20060101)
Foreign Application Priority Data1978-08-02 JP
AbstractA reverse shift mechanism for a power transmission unit comprises a plurality of fork shafts slidably supported from a transmission casing in parallel with each other to be shifted by an operator's shift lever, a shift head fixed to one of the fork shafts, a shift arm rotatably supported by the shift head at its intermediate portion and being pivoted at its lower end on a portion of the transmission casing, and a shift fork slidably mounted on another one of the fork shafts and being rotatably supported by the upper end of the shift arm, the shift fork receiving thereon a reverse idler gear to shift it toward and away from a reverse drive gear and a reverse output gear.