Title:
FOLDING PORTABLE DRAWING BOARD
Document Type and Number:
Japanese Patent JP3896549
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To eliminate the inconvenience of a conventional portable drawing board that the conventional portable drawing board is composed by using many members and comprises springs and fasteners, consequently, it takes a long time to assemble the conventional portable drawing board when using it and its components are likely to be lost.
SOLUTION: The folding portable drawing board has the following constitution. A dovetail groove in a required shape and that of in a parallel shape are provided to flat plates 1, 2 attached with a hinge. A fitting member 3 fitted into each dovetail groove is interposed. The fitting member 3 is fitted into a required dovetail grooves of the flat plates 1, 2. Consequently, the flat plates 1, 2 are fixed. When the fitting member fitted into the flat plate 1 is slid to the flat plate 2, the fixing is released and the portable drawing board can be folded.
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Inventors:
Masuoka Yonosuke
Application Number:
JP2004263031A
Publication Date:
March 22, 2007
Filing Date:
August 16, 2004
Export Citation:
Assignee:
Masuoka Yonosuke
International Classes:
B43L5/00; A47B97/08
Domestic Patent References:
| JP4368896A | ||||
| JP11018505Y1 | ||||
| JP51009835U |
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