| 摘要 |
<p>Supports extend into handles (9) that run horizontally or curve or run lengthwise and parallel. For reasons of stability, there can be a fixed crosswise link (10) from a support at any point in the upwardly directed course of the supports. Also for reasons of stability, the clearance between the supports at their fastening points on the pan of a shovel (11) should amount to about 14 cm. As they run towards the fastening points for a second supporting wheel (7), they can become narrow in order to ensure that a supporting wheel fastens directly on its axle ends (6).</p> |
