Change gear transmission for motor vehicles, especially for use in agriculture and construction
ApplicationNo. 06/024030 filed on 03/26/1979
US Classes:74/359, Selective74/15.4, With independent change speed gearing74/473.1Transmission control
ExaminersPrimary: Herrmann, Allan D.
Attorney, Agent or Firm
International ClassesF16H 61/02 (20060101)
F16H 37/02 (20060101)
F16H 3/08 (20060101)
F16H 37/04 (20060101)
Foreign Application Priority Data1978-05-27 JP
AbstractA gear transmission comprising a driving transmission shaft, a driven transmission shaft, a gear shaft between the two transmission shafts, three speed change gears of different diameters mounted on the gear shaft, an auxiliary speed change shaft carrying three gears of different diameters respectively in mesh with the speed change gears, and two clutch members provided between one or the other of the transmission shafts and the gear shaft. Each clutch member provides two speeds by switching between a position to connect one of the transmission shafts to the gear shaft and a position to connect the transmission shaft to one of the speed change gears. Thus the gear transmission provides a total of four speeds.