To improve crime preventive performance while leaving a maintenance structure by providing a shutter device capable of preventing forced opening of a shutter curtain.
This shutter device 100 has a storage part 15, a winding part 17 rotatably stored in the storage part 15 and stopping operation by a brake means, and the shutter curtain 13 connecting a base end part 33 to the outer periphery of the winding part 17, wound in a spiral shape and freely deliverable from the storage part 15 by rotation of the winding part 17; and allows a permanent winding part 49 up to a connecting part 37 of the base end part to run along the outer periphery of the winding part 17 from a proximity part of the winding part outer periphery and a winding part tangent being the curtain delivery direction. The permanent winding part 49 in the vicinity of the proximity part is fixed unseparably from the winding part outer periphery by fixation releasable fixing means 55 and 57.
| JP2001129107 | FIRE RESISTING SCREEN DEVICE FOR FIRE LIMIT |
| JP2005061054 | STRUCTURE OF OPENING/CLOSING BODY |
| JP2002004749 | SCREEN SHUTTER |
