JPS6363703U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の中点指示器を示す正面図、
第２図は同上部分断面左側面図、第３図は支点部
分の一部欠切拡大正面図、第４図は第３図―
線断面図、第５図は歯車の斜視図、第６図はこの
考案の中点指示器の使用状態を示す正面図、第７
図は摺動子の他の実施例を示す概略正面図である
。 １ａ，１ｂ……脚体、２ａ，２ｂ……横辺、３
ａ，３ｂ……縦辺、４ａ，４ｂ，５ａ，５ｂ，１
４……スリツト、６ａ，６ｂ，１５……指針、８
ａ，８ｂ，９ａ，９ｂ……切欠溝、１０ａ，１０
ｂ……歯、１１……脚、Ｐ……支点、１２，３２
……軸、１７，１８……歯車、２１……摺動子。 Figure 1 is a front view showing the midpoint indicator of this invention;
Figure 2 is a partially sectional left side view of the same as above, Figure 3 is a partially cutaway enlarged front view of the fulcrum part, and Figure 4 is the same as Figure 3.
5 is a perspective view of the gear, FIG. 6 is a front view showing the use state of the center point indicator of this invention, and FIG. 7 is a perspective view of the gear.
The figure is a schematic front view showing another embodiment of the slider. 1a, 1b...leg body, 2a, 2b...horizontal side, 3
a, 3b...vertical side, 4a, 4b, 5a, 5b, 1
4...Slit, 6a, 6b, 15...Pointer, 8
a, 8b, 9a, 9b...notch groove, 10a, 10
b...teeth, 11...leg, P...fulcrum, 12,32
... shaft, 17, 18 ... gear, 21 ... slider.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端で直交する横辺と縦辺の夫々に沿つてスリ
ツトを有し、かつ横辺の長手方向に延びるスリツ
トの両辺に切欠溝を有し、一方の切欠溝上に歯が
刻まれている脚体と、一端で直交する横辺と縦辺
の夫々に沿つてスリツトを有し、かつ横辺の長手
方向に延びるスリツトの両辺に切欠構を有し、前
記脚体とは異つた他方の切欠溝上に、前記歯と同
一形状の歯が刻まれている脚体と、支点を形成す
る軸の嵌挿孔とその下に長さ方向に延びるスリツ
トを有する脚とからなり、前記２個の脚体は脚を
軸として対称に、然も脚体の横辺のスリツトの切
欠溝上に設けられた前記歯を、脚の嵌挿孔に嵌挿
された軸に固定された歯車の歯と噛合せ、且つ２
個の脚体の縦辺のスリツトと脚のスリツトとには
共通の摺動子を嵌着して２個の脚体と脚を一体に
係合した中点指示器。 The leg body has a slit along each of the horizontal and vertical sides that are perpendicular to each other at one end, and has notched grooves on both sides of the slit extending in the longitudinal direction of the horizontal side, and teeth are carved on one of the notched grooves. and has a slit along each of a horizontal side and a vertical side that are orthogonal at one end, and has a notch structure on both sides of the slit extending in the longitudinal direction of the horizontal side, and has a notch structure on the other notch groove different from the leg body. The leg body is made up of a leg body having teeth of the same shape as the teeth, and a leg body having a fitting hole for a shaft forming a fulcrum and a slit extending in the length direction below the leg body; is symmetrical about the leg, and meshes the teeth provided on the notch groove of the slit on the side of the leg with the teeth of a gear fixed to the shaft inserted into the insertion hole of the leg, And 2
A midpoint indicator in which a common slider is fitted into a slit on the vertical side of each leg and a slit in the leg to engage the two legs together.