FRAGMENTS OF EXTRACTION DEVICE FOR MILLS IN UNIT COLD sidebar recess plunger in large diameter pipelines

摘要

The invention relates to vehicles, particularly to a device for unfolding the canopy for covering up the transported goods, and is designed to prevent loss of the cargo during its transport and protection against atmospheric influences. The apparatus comprises a drum with a return mechanism for winding around canopy constructed in the form of flexible webs and attached to the drum of a party carrying a frame to which is attached a second side of the canopy, and two latches mounted on one side of the body, provided with elastic elements for fixing the base frame with the folded and unfolded positions of the canopy. The drum is mounted in bearings on the sun visor of the vehicle body and equipped with a safety guard. The return mechanism includes a resilient member mounted on the drum shaft. The base frame has a U-shaped, and its ends are mounted on the side walls of the body, are provided with pivot pins. On one of the side shoulders of the base frame pivotally mounted arm to allow its movement. This results in increasing reliability of retention of the canopy in position. 4 ZP f ly-2 Fig.