TRACTOR OF FLEXIBLE RETRACTABLE STRUCTURE WITH BREAKAWAY PREVENTIVE STRUCTURE AND FLEXIBLE RETRACTABLE STRUCTURE INCLUDING SAME

摘要

The present invention provides a tractor of a flexible retractable structure, moving on a cable and tracking trolleys and a flexible membrane, which comprises: a body (510); first and second cable coupling members (520, 530) having one ends coupled to both left and right sides of the body to be able to rotate; C shaped slider members (550) coupled to left and right sides of the upper surface of the body and moving on the cables; and an elastic module of the tractor (TE) provided within a slider, wherein the elastic module of the tractor includes: an elastic block (20) provided with a spring therein to move up and down by a predetermined distance while receiving an elastic force of the spring; an upper support plate (21) supporting the elastic block from the upper side; a side surface support plate (22) supporting the elastic block from the side surface; and a lower supporting plate (23) supporting the elastic block from the lower side.;COPYRIGHT KIPO 2020