JPS6446106U

JPS6446106U -

Info

Publication number: JPS6446106U
Application number: JP14187887U
Authority: JP
Priority date: 1987-09-17
Filing date: 1987-09-17
Publication date: 1989-03-22

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す側断面図、第２
図は同正面図である。第３図は本体を示すもので
そのＡは半面を切断した側面図、Ｂは正面図であ
る。第４図はカバーを示すものでそのＡは半面を
切断した側面図、Ｂは正面図である。第５図はグ
リツプを示すもので、そのＡは半面を切断した側
面図、Ｂは正面図である。第６図は雌ねじ部材を
示すもので、そのＡは半面を切断した側面図、Ｂ
は後面図である。第７図は爪の側面図である。第
８図は従来構造の側断面図、第９図は同正面図で
ある。１０…本体、１１…傾斜穴、１２…爪、１４…
カバー、１５…雌ねじ部材、１６…嵌合溝、１７
…グリツプ、２０…鋼球、ｄ…間隙。 Fig. 1 is a side sectional view showing an embodiment of the present invention;
The figure is a front view of the same. FIG. 3 shows the main body, in which A is a half-cut side view and B is a front view. FIG. 4 shows the cover, in which A is a side view with half cut away, and B is a front view. FIG. 5 shows the grip, in which A is a half-cut side view and B is a front view. Figure 6 shows a female threaded member, in which A is a side view with half cut away, and B is a side view with half cut away.
is a rear view. FIG. 7 is a side view of the claw. FIG. 8 is a side sectional view of the conventional structure, and FIG. 9 is a front view thereof. 10...Main body, 11...Slanted hole, 12...Claw, 14...
Cover, 15... Female thread member, 16... Fitting groove, 17
...Grip, 20...Steel ball, d...Gap.

Claims

[Scope of utility model registration request]

A plurality of inclined holes 11 are formed in the main body 10, and the claws 12 are inserted into these holes, and the female screw member 15 screwed into the rear part of the claws 12 is rotated forward and backward to move the claws 12 forward and backward, thereby allowing the tools to be removed. A cover 14 to which the female screw member 15 is fixed is rotatably fitted to the outer periphery of the main body 10, and a grip 17 is provided at the rear of the main body 10, and a grip 17 is provided at the rear of the main body 10, and the cover The rear end of 14 is rotatably supported via a mechanism with low frictional resistance, and the main body 10 is further provided with a fitting groove 16 into which the female threaded member 15 is fitted. A keyless chuck characterized in that its inner surface is formed so as not to come into contact with the female threaded member 15.