Retractable cover with biasing mechanism for covering structures

a technology of a sliding mechanism and a retractable cover, which is applied in the direction of curtain accessories, curtain suspension devices, building components, etc., can solve the problems of securing or storing the window or door cover, the process of manipulating the same cover for either or both use and storage, and the person getting cold or wet, so as to achieve convenient storage and protect from the elements
US20050045284A1Inactive Publication Date: 2005-03-03ULLYETT GORDON JEFFREY
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
ULLYETT GORDON JEFFREY
Publication Date
2005-03-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

A retractable cover which includes a flexible material portion having at least one biasing mechanism. The biasing mechanism is a spring with either constant or varied force that allows the flexible material to be rolled up. The retractable cover is particularly applicable to tents or temporary structures, but could also be applied to window covers, awnings, truck sidings boat canopies or the like. The biasing mechanism may be placed in a sheath which includes a zipper or the like, so that the biasing mechanism can be easily replaced or added to. Additionally, zippers can be positioned at the sides of the retractable cover to allow the securing of the cover at any height.
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Description

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] This invention relates to a retractable cover with biasing mechanism for covering structures.

[0003] In particular, it relates to a retractable cover that includes a flexible material portion and at least one biasing means enabling the cover to automatically retract from an extended state and thus allows the flexible material to be rolled up. The retractable cover is particularly applicable to tents or temporary structures, but could also be applied to window covers, awnings, truck sidings, trailer covers, boat canopies, or the like. However, the present invention may also have other applications outside this field.

[0004] 2. Description of the Related Art

[0005] The general method of covering an opening, enclosure or outdoor area is generally by a window, door, or a covering of some description.

[0006] The term “door” or “window” usually refers to a solid structure in a house or the like which can be transparent, t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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