发明名称 Cord safety device for window coverings
摘要 An elastic cord device for use in cooperation with a window covering device of the type having a plurality of pulleys, a plurality of housings, a plurality of lift cords extending from a head rail, the lift cords used to raise and lower a window covering material. The elastic cord device has a spiral helical shape. The elastic cord device has a first end and a second end. The first end of the elastic cord device attaching to the lift cords of the window covering device. The second end of the elastic cord device is exposed and is accessible so that the elastic cord device can be pulled to raise and lower the window covering material.;A window covering device of the type having an elastic cord device, the elastic cord device attaching to the free ends of the lift cords of the window covering device.
申请公布号 US9366079(B1) 申请公布日期 2016.06.14
申请号 US201414554059 申请日期 2014.11.26
申请人 Jaggli David Louis 发明人 Jaggli David Louis
分类号 E06B9/326 主分类号 E06B9/326
代理机构 代理人
主权项 1. An assembly for a window cover moveable between open and closed positions, the assembly comprising an elongated head rail, at least one guide mounted on the head rail, at least one cord having a first end secured to the moveable window cover, the at least one cord wrapping at least partially around the at least one guide when the window cover is in the open position, and an elastic cord, a first end of which is attached to the at least one cord and whereby when the moveable window cover is in the open position, at least a portion of the elastic cord is in a retracted and unstretched state and extends away from the head rail.
地址 Huntington Beach CA US