Patent ID: 8684062
Filing Date: 2014-04-01
Classification: E06B

Abstract:
1. A roller blind control mechanism for raising and lowering a fabric blind, the fabric blind having a bottom bar mounted to a lower edge of the fabric blind, the control mechanism comprising; a. An elongated roller tube for winding up the fabric blind; b. An elongated housing for containing the roller tube within an elongated chamber, the elongated housing having a top wall and first and second walls depending from the top wall, the first, second and top walls enclosing the elongated chamber, the housing having a lower opening extending between the roller tube and the second wall through which the fabric blind passes; c. A stopper for blocking the bottom bar from entering the elongated chamber, the stopper having a head portion, a toe portion and a neck portion connecting the head and toe portions, the head portion mounted to the top wall of the housing adjacent the second wall, the neck portion being dimensioned and configured such that the toe portion extends downwardly and is positioned in the lower opening, the toe portion being dimensioned and configured to block passage of the bottom bar between the roller tube and the second wall; d. The toe portion having a multi-position spacer element for positioning the toe portion between proximate and distal positions relative to the second wall.