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Liftable window covering with multiple lifting cords and a single pull cord

  • US 5,799,715 A
  • Filed: 12/03/1997
  • Issued: 09/01/1998
  • Est. Priority Date: 12/03/1997
  • Status: Expired due to Fees
First Claim
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1. Apparatus comprising:

  • a housing;

    a liftable window covering descending from said housing, with said housing extending across said liftable window covering;

    a spool rotatably mounted at an end of said housing;

    a plurality of lifting cords, with a proximal end of each of said lifting cords attached to said spool to wrap around a peripheral surface thereof, with each of said lifting cords extending within said housing, and with a distal end of each of said lifting cords descending from said housing in attachment with said liftable window covering for lifting said liftable window covering;

    guide means adjacent said spool for guiding said lifting cords into wrapping engagement with said spool; and

    a pull cord with a proximal end thereof attached to wrap around a peripheral surface of said spool and with a distal end descending from said housing, wherein said pull cord and said lifting cords are arranged on said spool so that said lifting cords are wound onto said spool by rotation of said spool as said pull cord is unwound from said spool.

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