Positioning device of window covering
AssigneeNien Made Enterprise Co., Ltd.
InventorLin Chen
Life of this patent
Estimating the term…
Abstract
A positioning device for a window covering includes a base, two clamping members, and an operating member. The base has a main recess and a cord bore, and the cord bore is communicated with main recess, and a cord is inserted into the cord bore and passes through the main recess. The clamping members are movably received in the main recess of the base, and the cord passes through a space between the clamping members. The operating member is connected to the base for rotation to drive the clamping members to move. While the operating member is turned, the clamping members will be moved toward each other to clamp the cord.
Claims6
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.
Dependencies are inferred from the claim text.