Covering device of opening of building

摘要

A covering device of an opening of a building includes two parallel rails, a shading member, a main member, and two adjusting units. Each rail has a first side and a second side. The main member is between the rails and is connected to an end of the shading member. The main member has two coupling members to engage the rails at the first sides thereof. The adjusting unit has a stop member to be moved between a first position and a second position. The stop member touches the second side of the rail while the stop member is moved to the first position, and is off the second side of the rail while the stop member is moved to the second position.

主权项

1. A covering device of an opening of a building, comprising:
two parallel rails, each of which has a first side and a second side, wherein the first side and the second side are on opposite sides of the rail; a shading member between the rails; a main member between the rails and connected to an end of the shading member, wherein the main member has two coupling members to engage the rails respectively, and each of the coupling members has a front stop face touching the first side of the corresponding rail; at least an adjusting unit provided to the main member to be moved between a first position and a second position, wherein the adjusting unit has a stop member, and the stop member has a rear stop face; a shaft received in the main member, wherein both the coupling members of the main member are connected to the shaft; and wherein the rear stop face of the stop member touches the second side of the rail while the adjusting unit is moved to the first position, and the rear stop face is off the second side of the rail while the adjusting unit is moved to the second position.