Patent ID: 9206639
Filing Date: 2015-12-08
Classification: A47H,E06B

Abstract:
1. A positioning device for a window covering, wherein the window covering has a rail and a cord, comprising: a base, which is connected to the rail of the window covering, having a main recess and a cord bore, wherein the cord bore is communicated with main recess, and the cord is inserted into the cord bore and passes through the main recess; a first clamping member movably received in the main recess of the base, and having a first driven cam portion; a second clamping member received in the main recess of the base, wherein the cord passes through a space between the first clamping member and the second clamping member; an operating member connected to the base for rotation, and having a first guiding post received in the main recess of the base, wherein the first guiding post has a first driving cam portion; and wherein the first driving cam portion is resting against and sliding on the first driven cam portion to move the first clamping member in a lateral direction towards the second clamping member to clamp the cord between the first clamping member and the second clamping member, while the operating member is turned.