JPH0442304U

JPH0442304U -

Info

Publication number: JPH0442304U
Application number: JP8532990U
Authority: JP
Priority date: 1990-08-09
Filing date: 1990-08-09
Publication date: 1992-04-10

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の一実施例に係る旋盤
用チヤツクを示す図であつて、第１図はその正面
図、第２図ａは第１図中のＣ部を示す拡大図、第
２図ｂは第２図ａ中のＤ−Ｄ断面図、第２図ｃは
第２図ａ中のＥ方向から見た図、第３図ａはカバ
ーを示す正面図、第３図ｂはカバーを示す側面図
、第３図ｃはカバーを示す平面図であり、第４図
及び第５図は本考案の他の実施例を示す図であつ
て、第４図ａはカバーを示す正面図、第４図ｂは
カバーを示す側面図、第４図ｃはカバーの断面図
、第５図はカバーの取付構造を示す平面図であり
、第６図〜第８図は従来の旋盤用チヤツクを示す
図である。１……旋盤主軸、２……チヤツク本体、３……
スライド溝、４……ツメ、１０，１１……カバー
。 1 to 3 are views showing a chuck for a lathe according to an embodiment of the present invention, in which FIG. 1 is a front view thereof, and FIG. 2a is an enlarged view showing section C in FIG. 1. , Fig. 2b is a sectional view taken along line DD in Fig. 2a, Fig. 2c is a view seen from the E direction in Fig. 2a, Fig. 3a is a front view showing the cover, Fig. 3 3b is a side view showing the cover, FIG. 3c is a plan view showing the cover, FIGS. 4 and 5 are views showing other embodiments of the present invention, and FIG. 4a is a side view showing the cover. 4b is a side view showing the cover, FIG. 4c is a sectional view of the cover, FIG. 5 is a plan view showing the mounting structure of the cover, and FIGS. 6 to 8 are the conventional It is a figure showing a chuck for a lathe. 1...Lathe main shaft, 2...chuck body, 3...
Slide groove, 4...claw, 10, 11...cover.

Claims

[Scope of utility model registration request]

A thick cylindrical chuck body is connected to a lathe main shaft, and a plurality of radial slide grooves are provided in the chuck body to penetrate through a hollow part of the chuck,
In a chuck for a lathe in which a claw for gripping the workpiece is slidably installed in the slide groove,
A chuck for a lathe, characterized in that a cover is attached to the chuck body to cover an opening on the hollow side of the slide groove.