Patent ID: 7117922
Filing Date: 2006-10-10
Classification: A47H

Abstract:
1. A window curtain able to be combined by a user, said window curtain comprising: a plurality of hang rods respectively having a rod body, said rod body having one end bored with a C-shaped engage groove and the other end formed with a thin elongate rod, said thin elongate rod formed with a column-shaped end, said rod body provided with a combining portion for fitting a pulley base thereon, said combining portion of said rod body having its opposite ends respectively provided with a projecting circumferential edge; and the pulley base comprising two symmetrical combining members, said two combining members respectively provided with an arc-shaped groove, said two arc-shaped grooves firmly fitted around said combining portion of said rod body, said two combining members respectively and symmetrically provided with an insert hole and a projection, said two combining members combined together by mutual engagement of said insert holes and said projections, said two combining members respectively and symmetrically provided with a pulley rod groove and a pulley rod hole, said two pulley rod grooves combined together for receiving a lower projecting end of a pulley rod, said two combining members having their upper portions respectively and symmetrically bored with rod hole, said pulley rod having its upper portion extending out of said rod hole, said two combining members having their upper outer walls respectively and symmetrically formed with male threads, a nut screwed with said male threads of said two combining members to fix said pulley rod and said pulley base together.