Patent ID: 8851149

Claim:
A sheet shutter comprising: a sheet case that rotatably and laterally journals therein a sheet drum for winding and unwinding a sheet in a vertical direction; a support post arranged at each of left and right end portions of the sheet case; a sheet guide section that is provided at each of left and right inner portions of the support posts to guide the lifting and lowering of the sheet; and a shutter electrical unit including a control panel for controlling the rotation of the sheet drum; wherein a storage space which detachably accommodates and supports the shutter electrical unit along the vertical direction is formed on left and right outer sides of the sheet guide section in the support post, wherein the control panel has an electrical base and a substrate attached to the electrical base, wherein an upper end side of the electrical base is supported to the support post by a mounting bolt so that a lower end side of the control panel is extracted from the support post by rotating the electrical base using the mounting bolt as a fulcrum, and wherein electrical components with wirings are arranged on an upper side of the substrate, and setting devices are arranged on the upper side of the substrate.