| 摘要 |
The two installations (1,2) with steps (3,4) are movable forwards and backwards along a movement track (8) so that they successively move forwards objects alternatively resting on them. The movement track is curved arc-shaped. An installation (9) is also provided for moving the step installations at an angle to the movement track, so that they with a phase displacement of 180 deg. are pushed outwards and respectively drawn inwards at an angle to the movement track. |
