JPH0442312U - - Google Patents
Info
- Publication number
- JPH0442312U JPH0442312U JP8271490U JP8271490U JPH0442312U JP H0442312 U JPH0442312 U JP H0442312U JP 8271490 U JP8271490 U JP 8271490U JP 8271490 U JP8271490 U JP 8271490U JP H0442312 U JPH0442312 U JP H0442312U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- rotating shaft
- length
- processing tool
- auxiliary member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims description 4
Landscapes
- Drilling Tools (AREA)
Description
第１図〜第３図は本考案による加工工具の実施
例に係り、第１図は第一実施例を示す断面図、第
２図は第二実施例を示す断面図、第３図は第三実
施例を示す断面図、第４図は従来の加工工具を示
す断面図である。
１……加工工具、２……回転軸、４……ドリル
、５……ホールソー、５ａ……刃、６……切削片
、８……バネ、９……押出板、１０……補助部材
。
1 to 3 relate to embodiments of the processing tool according to the present invention, FIG. 1 is a sectional view showing the first embodiment, FIG. 2 is a sectional view showing the second embodiment, and FIG. 3 is a sectional view showing the second embodiment. FIG. 4 is a sectional view showing three embodiments, and FIG. 4 is a sectional view showing a conventional processing tool. DESCRIPTION OF SYMBOLS 1... Processing tool, 2... Rotating shaft, 4... Drill, 5... Hole saw, 5a... Blade, 6... Cutting piece, 8... Spring, 9... Extrusion plate, 10... Auxiliary member.
Claims (1)
有するドリルを固着するとともにドリルに対して
半径方向での外側に刃を有するホールソーを固着
し、中央にドリルが貫通する押出板をホールソー
の刃の内側に移動自在に設けるとともにスプリン
グを介して回転軸に結合した加工工具において、 押出板をドリルの長さ方向へ長くしたと同等の
機能を有する補助部材を押出板に取り付けたこと
を特徴とする加工工具。 (2) ドリルの先端が補助部材の長さ方向での途
中位置となるように、補助部材の長さ又はドリル
の長さのうちの少なくとも一方を所定の値に設定
したことを特徴とする請求項１に記載の加工工具
。[Claims for Utility Model Registration] (1) A drill having the same axis as the axis of the rotating shaft is fixed to a rotating shaft, and a hole saw having a blade on the outside of the drill in the radial direction is fixed to the rotating shaft, A processing tool in which an extrusion plate through which a drill passes through the center is movably provided inside the hole saw blade and connected to the rotating shaft via a spring, has the same function as an extrusion plate made longer in the length direction of a drill. A processing tool characterized by having an auxiliary member attached to an extrusion plate. (2) A claim characterized in that at least one of the length of the auxiliary member or the length of the drill is set to a predetermined value so that the tip of the drill is located halfway along the length of the auxiliary member. The processing tool according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8271490U JPH0442312U (en) | 1990-08-03 | 1990-08-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8271490U JPH0442312U (en) | 1990-08-03 | 1990-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442312U true JPH0442312U (en) | 1992-04-10 |
Family
ID=31629772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8271490U Pending JPH0442312U (en) | 1990-08-03 | 1990-08-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442312U (en) |
-
1990
- 1990-08-03 JP JP8271490U patent/JPH0442312U/ja active Pending
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