| 摘要 |
A camera truck having a vertical lifting column (9) used for vertical adjustment of the camera comprising an outer column part (10) resting on the chassis, an intermediate column part (11) adapted to be extended telescopically from said outerpart, and a central column part (12) carrying the camera and itself capable of being extended out of the intermediate column part, the column parts having a square cross-section. Wheels (21, 22) used for guiding the column parts relatively to one another are mounted between the column parts and to minimize the spacing between the walls (17, 18) of adjacent column parts, i.e., to allow the use of wheels (21, 22) of relatively large diameter, and to reduce the stresses in the walls in the transverse direction, the wheels (21, 22) are mounted to be rotatable about journals (23, 24) on axes substantially transversely with respect to the outer sides of the column parts, or the central axis of the column. Guide strips (25, 26) extending parallel to the column axis project transversely from the outer sides of the respective adjacent column part (17, 18) between the wheels and are engaged on both sides in each case by a pair of wheels (21, 22). |
