Document Type and Number:
Japanese Patent JPH0463800
Kind Code:
B2
Abstract:
Mechanical perspective drafting device, characterized by a first drafting board which is fitted with a second drafting board with a fixed support which includes a universal joint through which a long member can slide and rotate freely, the long member being fitted with a drawing device ending with a point which can come in contact with the second drafting board, the line which is connecting the universal joint and the point is passing through an imaginary three dimensional figure and this causes the point to draw a perspective projection of the figure as it is seen from the position of the universal joint, the movement of the line through the figure is assisted by a tracing guide which guides the long member.
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Inventors:
TAMARI URADEIMIRU
Application Number:
JP13151984A
Publication Date:
October 12, 1992
Filing Date:
June 26, 1984
Export Citation:
Assignee:
TAMARI SURII DAIMENSHONARU DOROOINGU JUGENGAISHA
International Classes:
B43L13/14
Next Patent: PHOTOCURING CATALYST COMPOSITION