Patent ID: 8720523

Claim:
A shielding apparatus comprising: a middle rail suspended from a head box by way of a first elevation cord so as to be capable of being raised and lowered; a bottom rail suspended from the head box by way of a second elevation cord so as to be capable of being raised and lowered; a shielding member suspended at least between the middle rail and the bottom rail; and an elevation apparatus configured to wind up or wind off the second elevation cord within the head box so as to raise or lower the middle rail and the bottom rail, whereby the shielding member can be pulled out in the vertical direction or folded in, wherein the elevation apparatus comprises: an operation cord of an endless type hanging down from the head box; and selective operation means configured to be capable of raising or lowering the middle rail through an operation of the operation cord in one direction, and capable of raising or lowering the bottom rail through an operation of the operation cord in another direction, and wherein the selective operation means can be set to move the bottom rail so that the bottom rail and shielding member then come in contact with and move up together with the middle rail.