JPH0483516U

JPH0483516U -

Info

Publication number: JPH0483516U
Application number: JP12697090U
Authority: JP
Priority date: 1990-11-28
Filing date: 1990-11-28
Publication date: 1992-07-21

Description

[Brief explanation of drawings]

第１〜７図はこの考案に係るホールソーの一実
施例を示したもので、第１図はシヤンクの正面図
、第２図はホールソー本体の縦断正面図（断面は
第３図の−線に沿う）、第３図は同平面図、
第４図は円板状の鍔の平面図、第５図は同断面図
（断面は第４図のＶ−Ｖ線に沿う）、第６図は円
板状の鍔を使用して組立てたホールソーの縦断正
面図、第７図は円板状の鍔を使用することなく組
立てたホールソーの縦断正面図、第８図は従来の
第１のタイプのホールソー本体を示した縦断正面
図、第９図は従来の第２のタイプのホールソー本
体を示した縦断正面図、第１０図は従来の第１の
タイプのホールソーの使用状態を示した説明図、
第１１図は従来の第２のタイプのホールソーの使
用状態を示した説明図である。１……シヤンク、２……ドライブシヤフト、３
……ドライブカラー、４……雄ねじ部、１０……
ホールソー本体、１０ａ……基板部分、１０ｂ…
…円筒状部分、１１……雌ねじ孔、１３……円板
状の鍔、１４……雌ねじ孔。 Figures 1 to 7 show an embodiment of the hole saw according to this invention. Figure 1 is a front view of the shank, and Figure 2 is a longitudinal sectional front view of the hole saw body (the cross section is taken along the - line in Figure 3). Figure 3 is the same plan view.
Figure 4 is a plan view of the disc-shaped tsuba, Figure 5 is a cross-sectional view of the same (the cross section is taken along the line V-V in Figure 4), and Figure 6 is a diagram of the assembly using the disc-shaped tsuba. 7 is a vertical sectional front view of a hole saw assembled without using a disc-shaped collar; FIG. 8 is a vertical sectional front view showing the conventional first type hole saw body; FIG. The figure is a longitudinal sectional front view showing a conventional second type hole saw body, and FIG. 10 is an explanatory diagram showing the state of use of a conventional first type hole saw.
FIG. 11 is an explanatory diagram showing the state of use of a conventional second type hole saw. 1...Shank, 2...Driveshaft, 3
...Drive collar, 4...Male thread part, 10...
Hole saw body, 10a... Board part, 10b...
...Cylindrical portion, 11... Female threaded hole, 13... Disc-shaped collar, 14... Female threaded hole.

Claims

[Claims for Utility Model Registration] 1. A shank that is provided with a drive collar at the tip of the drive shaft, and a male screw portion protruding from the tip of the drive collar for attaching the hole saw body, and a shank that is perpendicular to the axis of the hole saw body a hole saw body comprising a base plate portion, the base plate portion having a female threaded hole that is screwed into the male threaded portion of the drive collar, and a female screw hole formed in the center thereof that is screwed into the male threaded portion of the drive collar. The outer diameter of the substrate portion of the hole saw body is equal to or less than the outer diameter of the cylindrical portion of the hole saw body, and the outer diameter of the disk-shaped flange is is larger than the outer diameter of the cylindrical portion of the hole saw body, and the outer diameter of the drive collar is less than or equal to the outer diameter of the cylindrical portion of the hole saw body. Hole saw. 2. The hole saw according to claim 1, wherein the disc-shaped collar has a hole in its center that fits into the male threaded portion of the drive collar instead of the female threaded hole.