Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Reexamination Certificate
2000-06-16
2001-09-18
Johnson, Blair M. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
C160S113000, C160S188000
Reexamination Certificate
active
06289963
ABSTRACT:
BACKGROUND OF THE INVENTION
There are many different garage screen door systems on the market today, but they have many shortcomings. These screen systems serve the purpose of screening the typical garage door opening while the conventional garage door is in an open position, thus protecting the interior of the garage from insects, and debris which might otherwise be blown into the garage.
Existing garage door screen systems often have to be manually installed during the spring season. Others do not function well in conjunction with the existing solid garage door which also must be opened and closed even during warm seasons for security and other reasons. Other garage door screen systems involve using zippers, adhesive strips, and a plurality of cranks to be operated.
It is therefore a principal object of this invention to have a dual closure system for overhead doors including independently operated foldable screen doors used in conjunction with conventional hinged garage doors comprised of a plurality of panels.
A further object of this invention is to provide a dual closure system for overhead doors which is easy to install, easy to operate, and is economical in construction.
These and other objects will be apparent to those skilled in the art.
SUMMARY OF THE INVENTION
A dual closure system for overhead doors in a structure having a floor, a vertical wall, a ceiling structure, and a rectangular door opening in the wall which extends from the floor upwardly in a direction towards the ceiling has a pair of spaced tracks with a vertical segment extending upwardly from the floor adjacent vertical sides of the door opening, and terminating through curved track segments into a pair of vertically horizontal upper and lower track portions. The curved track segments both have lower ends arcuately merging into alignment with an upper end of the vertical segments of tracks. The upper ends of the curved track segments terminate in vertically spaced horizontal track portions.
First and second foldable doors which have sets of rollers on their side edges are movably mounted one each in the horizontal portions of the track so that each door can be individually moved into a vertical position in the vertical segment of the tracks.
REFERENCES:
patent: 2072092 (1937-03-01), Blodgett
patent: 2570199 (1951-10-01), Brown
patent: 3021896 (1962-02-01), Buono et al.
patent: 3103967 (1963-09-01), Gashen
patent: 5050660 (1991-09-01), Bleichwehl et al.
patent: 5408789 (1995-04-01), Plfeger
Johnson Blair M.
Zarley McKee Thomte Voorhees & Sease
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