COMPASS

COMPASS

PURPOSE: To provide a compass which causes no damage to a sheet, is capable of drawing a circle even on a plate face of a hard material other than paper, is capable of drawing even a circle having any radius without the need for a ruler, and is easily handled and portable. CONSTITUTION: On one side...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: SUGIYAMA TOMOKAZU
Format: Patent
Sprache:eng
Schlagworte:
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Beschreibung
Zusammenfassung:PURPOSE: To provide a compass which causes no damage to a sheet, is capable of drawing a circle even on a plate face of a hard material other than paper, is capable of drawing even a circle having any radius without the need for a ruler, and is easily handled and portable. CONSTITUTION: On one side 6 of a flat plate 2, length scales 3 are marked and writing pen/pencil tip end insertion parts 4, 5 are formed. A long-shaped guide hole 7 is bored in the flat plate 2 along the length scales 3 at a position corresponding to 0 scale of the length scales 3, and a circular-shaped origin indicator 8 is fitted into the guide hole 7 rotatably and movably along a major axis.