Patent ID: 6991020

Claim:
A collapsible shade assembly having shade means capable of height adjustment comprising, in combination: a) an upper elongated support, b) a lower elongated member that is manually adjustable up and down, c) primary lines extending through said shade means to suspend said bottom elongated member, d) primary rotors on said top elongated support, each rotor on said upper elongated support entraining and reversing line directions of travel of said primary lines, e) at least one secondary line being connected to said primary lines, f) and means acting on said secondary line or lines for resisting suspension force exerted on said primary lines at different shade means height adjusted levels, g) said primary rotors comprising pulleys, said connection of said primary and secondary lines being located, between said pulleys and said acting means and at a position on a section of said secondary line that has not passed over any pulley reversing the direction of the secondary line or said section thereof leading to a hoisting cord, whereby said connection at all times remains spaced from such pulleys, during shade means height adjustment between uppermost and lowermost positions, h) and said acting means being located on said upper elongated support and comprising a device for locking said secondary line in a selected position or positions corresponding to selected shade means height adjustment.