Window covering height adjustment method and apparatus using traveling rotor
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United States of America Patent
Stats
-
Sep 27, 2005
Issued Date -
N/A
app pub date -
Apr 26, 2004
filing date -
Jun 5, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of controlling the vertical height of a window shade having a top and bottom, which includes providing shade upper support structure at or proximate the shade top; providing at least one substantially vertically elongated shade support line extending downwardly from the upper support structure, and providing shade lower support structure at or proximate the shade bottom; elevating or lowering the shade lower support structure relative to one or more support lines; and securing the shade lower support structure to the line or lines at a selected height position relative to the line length above the lower support structure, whereby the height of the shade bottom can be quickly manually adjusted by adjustment of the height of the shade lower support structure effective securement to line or lines.
First Claim
Family
International Classification(s)
Cited Art Landscape
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