| 摘要 |
PCT No. PCT/CH85/00046 Sec. 371 Date Dec. 18, 1985 Sec. 102(e) Date Dec. 18, 1985 PCT Filed Mar. 19, 1985 PCT Pub. No. WO85/04263 PCT Pub. Date Sep. 26, 1985.An apparatus for the endless projection of a cinematographic film comprises a horizontal, rotatable table (24) and a winding drum (34) positioned in the center of the table. The film (22) to be projected is formed to a film roll (25) surrounding the winding drum (34). An annular body (61) of the winding drum (34) is provided at its outer periphery with a great number of rotatable support rollers (64) having vertical axles (65), for radially supporting the innermost winding of the film roll (25). On the upper side of the table (24) a plurality of horizontal support rollers (40, 41) are arranged, the axles of which are radial to the table (24). The axial length of each horizontal support roller (40, 41) is substantially shorter than the radial dimension of the table (24). The annular body (61) of the winding drum (34) is provided with a radial slit (120), through which the innermost winding of the film roll (25) can be drawn off. In the inner space of the winding drum (34) there are a plurality of guide pulleys (122-126, 140) and a motor driven sprocket (131) for guiding and moving the film, so that the film is continuously drawn off from the inner periphery of the film roll (25) and fed to a projector. The film portion coming back from the projector is continuously wound up at the outer periphery of the film roll (25). The table (24) is rotated by means of a motor to favor the rotation of the film roll during the projection. |
