JPS59166117U

JPS59166117U - true north measuring device

Info

Publication number: JPS59166117U
Application number: JP6054283U
Authority: JP
Inventors: 石寺宏之助
Original assignee: 石寺　宏之助
Priority date: 1983-04-22
Filing date: 1983-04-22
Publication date: 1984-11-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図は本考案の実施例を示すものであり、第１図は斜視図
、第２図は投影板を分解した斜視図、第３図は投影板の
測定操作前の状態を示す斜視図、第４図は投影板が真北
を指している状態を示す斜視図、第５図は表示板の斜視
図であリイは投影表　　′承前を示し、口は投影表示後
を示している。１・・・基板、２・・・投影板、２１・・・投影板支承
板、２２・・・透孔、２３・・・角度表示、２４・・・
固定ネジ、３・・・水準器、４・・・水準調節ネジ、５
・・・挟持板、５１・・・軸板、６・・・表示板、６１
・・・基準線、６３・・・指示線、７・・・案内枠。 ■ 第３図　　　　　、／七２６ｂ１く −ｒ）The figures show an embodiment of the present invention, in which Fig. 1 is a perspective view, Fig. 2 is an exploded perspective view of the projection plate, Fig. 3 is a perspective view showing the state of the projection plate before measurement operation, and Fig. Figure 4 is a perspective view showing the projection board pointing due north, and Figure 5 is a perspective view of the display board, where ri shows the front of the projection board and the mouth shows the state after the projection display. DESCRIPTION OF SYMBOLS 1... Board, 2... Projection plate, 21... Projection plate support plate, 22... Through hole, 23... Angle display, 24...
Fixing screw, 3...Level, 4...Level adjustment screw, 5
... Holding plate, 51 ... Shaft plate, 6 ... Display board, 61
... Reference line, 63 ... Instruction line, 7 ... Guide frame. ■ Figure 3, /72 6b1 Kur)

Claims

[Scope of utility model registration request]

A substrate 1 is provided with a clamping plate 5 for clamping a display panel 6 at the center of the base end of the upper surface, and a projection plate support plate 21 is rotatably mounted on the upper surface of the clamping plate 5. A true north measuring device consisting of a combination with a projection plate 2.