Card – picture – or sign exhibiting – Changing exhibitor – Single reel and web
Reexamination Certificate
1997-04-24
2001-01-09
Davis, Cassandra H. (Department: 3628)
Card, picture, or sign exhibiting
Changing exhibitor
Single reel and web
C040S904000
Reexamination Certificate
active
06170182
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to a holder arrangement for charts and the like, and in particular, nautical charts.
BACKGROUND OF THE INVENTION
When navigating at sea, it is common to use large, detailed navigation charts, fishing charts, or the like. These charts can be several feet wide and several feet long, or larger, and can be cumbersome to use and store. It is necessary to keep the charts from being damaged in use or in storage.
Normally, charts are folded or rolled for storage. Recently, many large charts have been laminated with clear plastic on each side for protection. Lamination can make the charts difficult to roll up for storage.
Map holders of various types are known in the art and the following disclosures are exemplary: U.S. Pat. No. 928,060; U.S. Pat. No. 2,180,146; U.S. Pat. No. 3,533,177; and U.S. Pat. No. 5,359,797.
SUMMARY OF THE INVENTION
To address the problems which exist with paper and laminated charts and their convenient use and storage, it is an object of the present invention to provide a nautical chart in an easily-accessible, easily-stored arrangement which protects the chart from damage.
The invention comprises an elongated foam support means to which one edge of the chart is fixed. The chart is rolled up over the support means when not in use. At the opposite end of the chart from the support means is provided a rigid end strip. The support means and end strip together allow the chart to be grasped and maintained in unrolled form for use, holding the chart flat for viewing. For storage, the chart is rolled up around the support means and fastened in the rolled condition for secure storage.
REFERENCES:
patent: 948506 (1910-02-01), Horton
patent: 4026485 (1977-05-01), Ambrose
patent: 4525946 (1985-07-01), Olson
patent: 5074409 (1991-12-01), Elkin et al.
patent: 5452508 (1995-09-01), Wu
Connolly Bove & Lodge & Hutz LLP
Davis Cassandra H.
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