| 摘要 |
<p>A travelling cradle has a separable undercarriage (1) provided, at one end, with wheels (2) and at the other end, with downwardly curved endpieces (3). The undercarriage (1) has pins (5) in which uprights (6) of the cradle are detachably fixed in such a way that when they are detached, the undercarriage (1) becomes independent and may act as a trolley, a retaining hoop (12) then being located on the pins (5) above the wheels (2), and the end pieces 3 serving as handles. <IMAGE></p> |
