Patent ID: 6948545
Filing Date: 2005-09-27
Classification: E06B

Abstract:
1. The method of controlling the vertical height of a window shade having a top and bottom, and pleats therebetween which includes the steps a) providing shade upper support structure at or proximate the shade top, b) providing at least one substantially vertically elongated shade support line extending downwardly from said upper support structure, c) and providing shade lower support structure in the form of a substantially horizontally extending slat for supporting pleats gathered or gathering at or proximate the shade bottom, d) elevating or lowering said shade lower support structure relative to said one or more support lines, e) and effectively securing said shade lower support structure to the line or lines at a selected height position relative to the line length above said lower support structure, by providing a holder or holders by which said line or lines are each adjustably held, and openly exposed entirely below said slat, and said holder or holders each including a spring or springs transmitting force acting to engage a drum or drums that control winding of said line or lines, f) whereby the height of the shade bottom can be quickly manually adjusted by adjustment of the height of the shade lower support structure, and said spring or springs.