Patent ID: 8132610
Filing Date: 2012-03-13
Classification: E06B,Y10T

Abstract:
1. A roll-up shade comprising: a first rail; window covering material positioned adjacent to the first rail, the window covering having an upper edge adjacent to the first rail, a lower edge opposite the upper edge; a front surface extending between the upper edge and lower edge and a rear surface extending between the upper edge and the lower edge, the window covering material configured to move from an extended position to a retracted position such that the window covering material rolls up about the lower edge of the window covering material as the window covering material is retracted; a plurality of lift cords, each lift cord having a first end and a second end opposite the first end, each lift cord extending from adjacent the first rail to the window covering material; a first pulley and a second pulley, each pulley positioned such that at least one of the lift cords passes along that pulley; a first pulley release device, the first pulley release device comprising a male member and a female member, the female member of the first pulley release device having a receptacle sized and configured to releasably retain the male member of the first pulley release device such that the male member is released when a release force acts on the male member or the female member, one of the female member and the male member of the first pulley release device being attached to the first rail adjacent to the front surface of the window covering material, and the other member of the first pulley release device being attached to the first pulley; a second pulley release device, the second pulley release device comprising a male member and a female member, the female member of the second pulley release device having a receptacle sized and configured to releasably retain the male member of the second pulley release device such that the male member is released when a release force acts on the male member or the female member, one of the female member and the male member of the second pulley release device being attached to the first rail adjacent to the front surface of the first rail and the other member of the second pulley release device being attached to the second pulley; and a plurality of cord release devices, each cord release device comprising a mateable body and a receptacle, one of the mateable body and the receptacle attached to the first rail adjacent to the rear surface of the window covering material and the other of the male body and the receptacle attached to the second end of a respective lift cord.