JPS58878U

JPS58878U - positioning device

Info

Publication number: JPS58878U
Application number: JP9318081U
Authority: JP
Inventors: 弘松本
Original assignee: 三菱重工業株式会社
Priority date: 1981-06-24
Filing date: 1981-06-24
Publication date: 1983-01-06

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のピアノ線によるセンタリング状態を示す
説明図、第２図は第１図の１矢視図、第３図は第１図の
に矢視し拡大図、第４図は第１図のし矢視し拡大図、第
５図は第３図のＭ−Ｍ及び第４図のＮ−Ｎ断面を示す断
面図、第６図は本考案の実施例を示す説明図、第７図は
第６図のＡ部拡大図、第８図は第７図のＰ矢視図、第９
図は第６図のＢ部拡大図、第１０図は第９図のＱ矢視図
、第１１図は第９図のＣ部拡大断面図、第１２図はラチ
ェットハンドルの説明図である。１：ピアノ、１０．２０：支持柱、３０：基台、２７：
ラチェットハンドル、２９：トルクレンチ。Fig. 1 is an explanatory diagram showing the centering state using a conventional piano wire, Fig. 2 is a view taken from the direction of arrow 1 in Fig. 1, Fig. 3 is an enlarged view of Fig. 5 is a sectional view taken along the line MM in FIG. 3 and NN in FIG. 4; FIG. 6 is an explanatory view showing an embodiment of the present invention; The figure is an enlarged view of part A in Figure 6, Figure 8 is a view from arrow P in Figure 7, and Figure 9 is an enlarged view of part A in Figure 6.
The figures are an enlarged view of section B in FIG. 6, FIG. 10 is a view taken in the direction of arrow Q in FIG. 9, FIG. 11 is an enlarged sectional view of section C in FIG. 9, and FIG. 12 is an explanatory diagram of the ratchet handle. 1: Piano, 10.20: Support pillar, 30: Base, 27:
Ratchet handle, 29: Torque wrench.

Claims

[Scope of utility model registration request]

A positioning reference line is formed by being locked to a ratchet mechanism that has one end fixed to one of the support pillars and the other end to the other support pillar, which are arranged at a predetermined distance apart on the base. A positioning device comprising a piano wire and a tension adjustment member that engages with the ratchet mechanism and applies a predetermined tension to the piano wire.