| 摘要 |
<p>The foot has a connector (10) made from a rigid plastic which is inserted and fixed into the end of a ladder upright, and a base (11) made at least partly from a supple plastic, joined to the connector by a cylindrical pivot (13). The connector and base, which are assembled while the plastic is hot, have stops (20 - 23) that limit the relative rotation of the two components, and the connector can have projections that lock in matching cavities in the upright.</p> |
