MAGNETIC COORDINATE DRAWING BOARD

The utility model discloses a magnetic coordinate drawing board, whose upper and lower surface are transparent hard plastic sheets and coordinate grid is stamped on a middle panel; holes with needles in side are opened on the intersection points of each coordinate line, the magnetic pole direction o...

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Bibliographic Details
Main Author RONG ZANHUA
Format Patent
LanguageEnglish
Published 08.04.1992
Edition5
Subjects
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Summary:The utility model discloses a magnetic coordinate drawing board, whose upper and lower surface are transparent hard plastic sheets and coordinate grid is stamped on a middle panel; holes with needles in side are opened on the intersection points of each coordinate line, the magnetic pole direction of each needle is the same, and magnetic bars which cross the surface of a panel are arranged at the lower part of the panel. Two magnetic pole nibs are arranged on a used magnetic pen, wherein, dashed line scratches, comprising multiple points, can be seen on the surface of the panel when one nib touches; the other nib can daub the scratches.
Bibliography:Application Number: CN1991217613U