JPH03123202U

JPH03123202U -

Info

Publication number: JPH03123202U
Application number: JP3334590U
Authority: JP
Priority date: 1990-03-29
Filing date: 1990-03-29
Publication date: 1991-12-16

Description

[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図は平面図
、第２図は中央での縦側断面図、第３図は指掛か
り部の斜視図、第４図はシヤープナーの縦側断面
図、第５図はコパスの針受け部の縦側断面図、第
６図は磁石または被磁性体部の縦側断面図、第７
図は六角形態様の平面図。１……薄型プレート、２……目盛り部、３……
センター小孔、４……中心線長孔、５……中心線
、６……目盛り、７……製図機用定規の目盛り、
８……指掛かり、９……シヤープナー、１０……
コンパス針受け部、１１……磁石、１２……被磁
性体。 The drawings show an embodiment of the present invention, in which Fig. 1 is a plan view, Fig. 2 is a vertical sectional view at the center, Fig. 3 is a perspective view of the finger catch, and Fig. 4 is a longitudinal sectional view of the sharpener. , Fig. 5 is a longitudinal cross-sectional view of the needle receiving part of the Copas, Fig. 6 is a longitudinal cross-sectional view of the magnet or magnetic body part, and Fig. 7 is a longitudinal cross-sectional view of the needle receiving part of the Copas.
The figure is a plan view of a hexagonal form. 1...Thin plate, 2...Scale part, 3...
Center small hole, 4...Center line long hole, 5...Center line, 6...Scale, 7...Drawing machine ruler scale,
8...Finger hook, 9...Sharpner, 10...
Compass needle receiver, 11... Magnet, 12... Magnetized body.

Claims

[Claims for Utility Model Registration] 1. A scale section with a predetermined width and thickness, the upper surface of which is sloped outward on the periphery of a polygonal thin plate 1 that is large enough to fit in the palm of the hand and is transparent or translucent. 2
A center small hole 3 is provided at the center of this thin plate 1, and center line elongated holes 4 are provided on the center line 5 perpendicular to this small hole and each side. A center plate characterized by having different scales 6 on each side. 2. The center plate according to claim 1 of the utility model registration claim, which is provided with finger hooks 8 at the corner portions. 3. The center plate according to claims 1 and 2 of the Utility Model Registered Claims, in which a sharpener 9 is provided in a position avoiding the center small hole 3 and the center line elongated hole 4 in the thin plate 1. 4. The center plate according to claims 1 to 3 of the Utility Model Registered Claims, in which a compass needle receiving part 10 is provided in a position avoiding the center small hole 3 and the center line elongated hole 4 in the thin plate 1. 5 Place the magnet 11 or the magnetized body 12 in the thin plate 1 at a position avoiding the center small hole 3 and the center line elongated hole 4.
A center plate according to claims 1 to 4 of the utility model registration claims, which is attached with a center plate.