| 摘要 |
FIELD: transport. ^ SUBSTANCE: proposed drive comprises two guiding profiles (1) wherein reciprocate two carriages rigidly interconnected via space sleeves to form integral unit (6) of carriages. Chain (8) is arranged between inner opposite surfaces of carriages, passed over front (9) and rear (11) sprockets running of free running axles (10, 12) and driven sprocket (13) rigidly fitted on pto-shaft (14). Two ratchet pawls are arranged between inner surfaces of carriages to clamp and pull chain (8) passed between them. ^ EFFECT: reduced torques that impedes carriage travel in guides that reduce wear of carriage bearing surfaces and profile guides. ^ 3 dwg |
