| 摘要 |
PCT No. PCT/SE89/00269 Sec. 371 Date Nov. 26, 1990 Sec. 102(e) Date Nov. 26, 1990 PCT Filed May 17, 1989 PCT Pub. No. WO89/11563 PCT Pub. Date Nov. 30, 1989.The disclosure relates to an arrangement in a motor-driven roller (1) designed with two driving directions, with a yoke (2) or the like for steering the direction of movement of the roller (1). The arrangement includes a steering device (5) disposed on the yoke (2) or the like and arranged continually to steer the direction of movement of the roller (1). The steering device (5) is placed ahead of the roller (1), seen in the direction of movement of the roller (1), and the steering device (5) for the roller is, in its turn, arranged to be steered by a continually operative steering arrangement (3, 4) so as constantly to determine the direction of movement of the roller (1) and, at the end of the desired movement in one direction, to switch the drive direction of the motor. The steering arrangement (3, 4) is switchably disposed in relation to the surface (6) which is intended to be rolled by means of the motor-driven roller (1). |
