| 摘要 |
An adjustable support frame assembly (1) comprising, a generally horizontally extending base (3), an elevation pole (5), a support member (7), adjustment means (13) for varying the length of the elevation pole, and first connector means (9) for joining the elevation pole to the base and for allowing pivotal movement of the elevation pole, wherein the support member is joined to the elevation pole and is tiltable with respect to the elevation pole. |
