作者: Cliff Evans
DOI:
关键词: Positioning system 、 Vertical distance 、 Pulley 、 Engineering 、 Axial distance 、 Bowing 、 Axial symmetry 、 Chandelier 、 Nut 、 Structural engineering
摘要: A carriage which is drawn over a plurality of locations along tightly threaded motor driven drive rod by nut on the carriage, draws chandelier support cable axially way pulley carriage. The wrapped so that vertical distance moved end for attachment to greater than axial pulley. supported at each rod, against bowing.