AUTOMATIC UNROLL DEVICE FOR FIRE-PROOF SHUTTERS

摘要

ABSTRACT OF THE DISCLOSUREAUTOMATIC UNROLL DEVICE FOR FIRE-PROOF SHUTTERSAn automatic unroll device for fire-proof shutters includes a seat and a housing attached to each other. A thermal controller, an automatic unroll controller and multiple cables respectively disposed within the seat and the housing. A main controller, an auxiliary controller, an electromagnetic valve, a manual controller, a T-shapedto controller and a position plate respectively mounted on the seat. The T-shaped controller is connected to the main controller and selectively engaged to the position plate. The auxiliary controller, the electromagnetic valve and the manual controller respectively make the T-shaped controller disengaged from the position plate and drive themain controller to operate the automatic unroll controller for closing the fire-proof shutters.Selected Drawing: Fig. 1