RACK Russian patent published in 1997 - IPC

FIELD: photo, film, video equipment. SUBSTANCE: device has assembly for linear fixation of inner tubes 13. Said assembly is designed as slide blocks 8 with conic outer surface 9, cylindrical inner surface and shoulder 10 on greater end. Slide blocks 8 are located inside conic sleeve 5. End of outer tube 4 has outer threaded joint 6. Nut 12 is located on threaded joint of sleeve 5. Angular fixation assembly of upper end of inner tube 13 is designed as collet 14 which has elastic members which are mostly located inside tube. EFFECT: increased functional capabilities. 2 cl, 8 dwg