Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Reexamination Certificate
1998-12-11
2001-07-24
Stodola, Daniel P. (Department: 3634)
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Roll type
C160S236000
Reexamination Certificate
active
06263943
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a rolling shutter, more particularly to a rolling shutter used for protection of store windows or doors.
Traditional metal rolling shutters are installed to guard stores against possible break-in and vandalism when the store is closed. Generally, a pair of tracks are provided on either side of the window or door. The shutter is rolled up along tracks to leave the window exposed during business hours, and unrolled down and secured upon closing, thereby covering and protecting the opening.
Conventional metal shutters are comprised of a plurality of shutter slats made of aluminum or steel. Conventional shutters present difficulties in manufacture, delivery, installation and repair. Moreover, when the conventional shutter is lowered, goods cannot be seen through the shutter. To make showcased goods visible, openings may be left in a conventional shutter. Unfortunately, openings expose goods to the elements and the possibility of damage or theft. Therefore, it is absolutely necessary to provide a shutter through which interior articles can be observed when the shutter is unrolled, and which is simple to manufacture, repair, deliver and install as well.
SUMMARY OF THE INVENTION
An object of the invention is to provide a rolling shutter for store windows and doors, which can be easily assembled into various sizes.
Another object of the invention is to provide a rolling shutter for store windows and doors which is formed from materials less susceptible to corrosion than the shutters formed entirely of a metallic material.
A further object of the invention is to provide a rolling shutter, which is simple to repair and clean while allowing articles behind the shutter to remain visible in the unrolled position.
Still another object of the invention is to provide a more weather resistant rolling shutter.
The objects of the invention are accomplished by providing a modular rolling shutter, which is comprised of alternating rows of buckles and slats. Upper and lower channels are provided on the upper and lower sections of each buckle. Upper and lower articulate edges are provided on the upper and lower sections of each slat. The interior dimensions and shape of the buckle channels are adapted to hold the articulate edges of the slats, while allowing enough movement so that the shutter can be rolled or unrolled. The left and right sides of adjacent slats abut each other, and may be rigidly joined.
The advantages of the rolling shutter of the invention relate to the ease with which the components can be assembled into an appropriate size, along with considerable strength, simplicity in manufacture, repair and delivery as well as improved corrosion resistance and transparency.
REFERENCES:
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patent: 3092870 (1963-06-01), Baer
patent: 3139958 (1964-07-01), DeWitt
patent: 3962827 (1976-06-01), Chaffee
patent: 4718472 (1988-01-01), Hormann
patent: 5025847 (1991-06-01), Mueller
patent: 5070925 (1991-12-01), Paule
patent: 5099904 (1992-03-01), Susnar
patent: 5265663 (1993-11-01), Munekata et al.
patent: 5575322 (1996-11-01), Miller
patent: 5782282 (1998-07-01), Chen
patent: 0 501 881 B1 (1996-06-01), None
Alix Yale & Ristas, LLP
Chu Miu-Ha
Cohen Curtis A.
Stodola Daniel P.
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