| 摘要 |
Motor (48) drives a piston (47) to compress oil in two chambers. Oil from one chamber (45) operates a clutch through a jack (27) and oil from a second chamber (46) is supplied to a two way selecting valve (51). The movement of selection and engagement bars (32,38) is controlled by alternative pairs of jacks (33,39) or (34,40) fed from the selective valve in combination with electromagnetically operated fingers (36,42) engaging bar slots (35,41). |
