CORDLESS CURTAIN ASSEMBLY

摘要

A cordless curtain assembly includes a curtain unit, a control unit, a fixed part, a movable part and an operation cord. The curtain is connected between the head box and a bottom bar. The user may pulls the bottom bar to operate the operation cord which is wrapped to the first and second pillars in the fixed part and the movable part. The movable part is moved and activates the spring to lift the curtain. When the user lifts the bottom bar, the spring force is release so that the movable part moves back to its initial position to let the operation cord to pull the curtain upward.

主权项

1. A curtain assembly comprising:
a spring having a first end and a second end which is fixed to a first fixed member in a head box; a fixed part having a first passage defined therein, at least two first pillars, at least one fixed member and multiple first columns located in the first passage of the fixed part; a movable part having a second passage defined therein, at least two second pillars located in the second passage, multiple rollers located at a periphery of the movable part, multiple first fixed members located in the movable part, the first end of the spring connected to one of the first fixed members, and an operation cord wrapped to the at least two first pillars via the first passage and the at least two second pillars via the second passage.