Patent ID: 9689199
Date: 2017-06-27
CPC Classifications: E06B

Claim:
1. A lift-cord guide used in a window blind comprising a pull cord, the lift-cord guide comprising: a roller holder comprising a bottom wall having a rectangular shape, two bearing seats, and a pair of long sides and a pair of short sides, a first sidewall and a second sidewall arranged on the pair of long sides respectively, two end walls arranged on the pair of short sides respectively, the end walls being separated from the first sidewall in such a way that two pull cord inlets are respectively defined between the end walls and the first sidewall, each of the end walls having a top, a bottom, a plug hole located at the top and a pull cord outlet located at the bottom, the bearing seats being located on the bottom wall and adjacent to the end walls respectively, each of the bearing seats having a locating groove and two first guide rollers each having a first wheel axle, each of the first wheel axles having a linear section and a bending section connected to one end of the linear section, each of the two linear sections of the two first guide rollers being rotatably and obliquely mounted in the locating grooves, each of the bending sections being plugged in the plug holes respectively, each of the linear sections and the bottom wall defining respective angles smaller than 90 degrees.