Curtain cord tensioning device
AssigneeCope & Timmins Ltd.
InventorDonald L. Glatzel
Life of this patent
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Abstract
A device for tensioning the cords of curtains, blinds or the like comprises a housing 1 and cover 3 defining a chamber 2 in which is slidably mounted a carriage 8 which has a boss 9 on which is rotatably mounted a pulley 10 for the cord 11 and a wheel 13 around which is wound a constant torque spring 17 the other shaped end of which is secured in a correspondingly shaped slot 18 formed in the end wall of the housing. The device is fixed to a wall or joinery by a screw 7 passing through a universally bore toggle 6.
Claims9
A cord tensioning device comprising a housing defining an elongate chamber, a carriage longitudinally slideable within the chamber, said carriage including a pulley around which said cord passes and a constant torque spring connected between said carriage and a wall of said chamber such that the carriage generates a substantially constant tension in the cord regardless of the position of the carriage in the chamber.
Dependencies are inferred from the claim text.