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Title:
LETTER ERASING BOARD WITH PRESSER PLATE AND GRIP
Document Type and Number:
Japanese Patent JPH11105491
Kind Code:
A
Abstract:

To provide a letter erasing board with a presser plate and a grip which prevents staining of a drawing and is easy to grip and convenient, by providing the letter erasing board with a pressing part and a grip part, considering that pressing fingers are apt to protrude into an erasing hole in the letter erasing board and to stain the drawing and that the board is hard to grip.

A supporting stem 5 is fixed at the central point 9 of a circular letter erasing board 2 having several kinds of erasing holes 1 formed in arbitrary shapes. A part of a presser plate 6 being equal in size to the letter erasing board 2 is cut, the supporting stem 5 is passed through a stem hole 7 provided at the central point 9 and a set screw 8 is attached to the upper end of the supporting stem 5. The presser plate 6 which enables arbitrary selection of any erasing hole 1 due to its rotatable property and ensures pressing is fitted.


Inventors:
SAKAMOTO KAZUYA
Application Number:
JP30325397A
Publication Date:
April 20, 1999
Filing Date:
October 01, 1997
Export Citation:
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Assignee:
SAKAMOTO KAZUYA
International Classes:
B43L19/00; (IPC1-7): B43L19/00



 
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