The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 30, 2007

Filed:

Sep. 27, 2004
Applicant:

Toralf H. Strand, Madison, WI (US);

Inventor:

Toralf H. Strand, Madison, WI (US);

Assignee:

Springs Window Fashions LP, Fort Mill, SC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B 9/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A window covering, a lifting system for a window covering and a release mechanism for a lifting mechanism are disclosed. The window covering includes a head rail, a bottom rail, a window covering, a drive shaft and a lift cord attached to the bottom rail. The release mechanism includes a spring coupled to the drive shaft for preventing or allowing rotation. Methods of assembling and raising and lowering window coverings are also disclosed.


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