| 摘要 |
A multi-purpose support structure with an extendable handle and retractable wheels, comprises in combination: a support frame (2) with a pair of longitudinal uprights (4), each comprising first and second guide channels (6, 8) extending parallel to each other side by side; a handle element (14), with two parallel sides (12) slidable within said first guide channels (6) and with a transverse connecting side (16) forming a gripping element; a pair of rods (18) provided lowerly with wheels (20) and slidable within said second guide channels (8), and means (22, 28) for simultaneously and opposingly moving said parallel sides (12) of said handle element (14) and said rods (18) along their respective guide channels (6, 8). |
