| 摘要 |
PCT No. PCT/NL92/00200 Sec. 371 Date Jul. 8, 1994 Sec. 102(e) Date Jul. 8, 1994 PCT Filed Nov. 11, 1992 PCT Pub. No. WO93/10396 PCT Pub. Date May 27, 1993An adjustable support device can position a body such as a light fitting. This support device comprises an adjustable arm supported at a tilting point. The arm is connected on either side of the tilting point. A counterweight is attached to the arm through a holder. A mass in the holder is freely displacable such that the center of gravity of the support device lies beneath the tilting point in any position of the arm. The arm can be flexible and the holder can have an at least partially oval shape in longitudinal section. A concave part can be formed on the arm. This concave part can be engaged by a wheel on a stand in order to support the arm and body. |
