JPH03117558U

JPH03117558U -

Info

Publication number: JPH03117558U
Application number: JP2435790U
Authority: JP
Priority date: 1990-03-09
Filing date: 1990-03-09
Publication date: 1991-12-04

Description

[Brief explanation of drawings]

第１図は本願考案の実施例を示す平面図、第２
図は同じ実施例の斜視図、第３図は同じ実施例の
部分を示す平面図、第４図イ，ロ，ハも別の部分
を示す平面図、側面図、および正面図、第５図は
従来技術を示す正面図、第６図イ，ロは種々の曲
管を示す水平断面図。１……取付台、２……基台、６……研磨アーム
、７……クランク機構、９……研磨機、１０……
弾性機構。 Fig. 1 is a plan view showing an embodiment of the present invention;
The figures are perspective views of the same embodiment, Figure 3 is a plan view showing parts of the same embodiment, Figure 4 A, B, and C are plan views, side views, and front views showing different parts, and Figure 5. 6 is a front view showing the prior art, and FIGS. 6A and 6B are horizontal sectional views showing various bent pipes. 1... Mounting stand, 2... Base, 6... Polishing arm, 7... Crank mechanism, 9... Polishing machine, 10...
Elastic mechanism.

Claims

[Scope of utility model registration request]

A fan-shaped mounting base is installed in a closed room equipped with an entrance and exit for advancing and retreating, and is rotatable in the horizontal direction, and the mounting base is equipped with fixing means for restraining various bent pipes placed on the base.
On the other hand, one end of the polishing arm, which is bent into an arc with approximately the center of rotation, is connected to a crank mechanism that rotates at a desired diameter and its electric motor, and the other end of the polishing arm is connected to the rotating grindstone of the polishing machine. A polishing device for the inner surface of a tube, characterized in that it is equipped with a means for biasing in one direction.