| 摘要 |
PCT No. PCT/SE83/00407 Sec. 371 Date Jul. 6, 1984 Sec. 102(e) Date Jul. 6, 1984 PCT Filed Nov. 21, 1983 PCT Pub. No. WO84/02119 PCT Pub. Date Jun. 7, 1984.A drive apparatus which in first place is intended for moving vehicles comprises a transportable carriage which has two wheels (3) and a drive roller (2) driven my means of a motor. Spring elements (7) normally keep the drive roller (2) and the support wheels out of contact with each other but by load, for instance when the carriage is pushed in under a vehicle wheel (8) a friction contact is established between the drive roller (2) and the support wheels (3) causing the carriage to move upon rotation of the drive roller at the same time causing the vehicle to be moved and the wheels (8) thereof are rotated. The carriage further has a handle (6) which preferably houses cables, hoses or the like for power supply to the motor and which has control means (5) such as switches or the like. |
