| 摘要 |
An apparatus (10) for lifting and supporting a first object mounted for movement about a pivot between the first object and a second object, the apparatus (10) comprising lifting means (16, 18), an extendible arm (20) attached to and protruding from the lifting means (16, 18), a distal end of which is provided with a support (22, 24) for the first object, wherein, on operation of the lifting means (16,18) to lift the first object, the extendible arm (20) is operative automatically to extend. |
