JPS6321511U - - Google Patents
Info
- Publication number
- JPS6321511U JPS6321511U JP11436186U JP11436186U JPS6321511U JP S6321511 U JPS6321511 U JP S6321511U JP 11436186 U JP11436186 U JP 11436186U JP 11436186 U JP11436186 U JP 11436186U JP S6321511 U JPS6321511 U JP S6321511U
- Authority
- JP
- Japan
- Prior art keywords
- hole saw
- hole
- center
- grinding surface
- saw
- 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
- 238000009434 installation Methods 0.000 claims description 6
- 238000005034 decoration Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
Description
図面中第1図乃至第6図はこの考案の実施例を
示すもので、第1図は使用状態での側面図、第2
図は斜視図、第3図は断面図、第4図は設置孔の
開口形成時での側面図、第5図は別の実施例にお
ける分解斜視図、第6図は設置孔に器具類を取付
けた状態での側面図であり、第7図は従来におけ
る設置孔に器具類を取付けた状態での側面図であ
る。
C…天井化粧ボード、H…設置孔、T…器具類
、F…取付フランジ、D…電気ドリル、1…シヤ
ンク、2…センター、3…支持部、4…ホールソ
ー筒、5…鋸歯、6…研削面、7…ホールソー体
、8…連結手段、9…貫挿孔、10…連結ネジ、
11…ネジ孔。
Figures 1 to 6 in the drawings show an embodiment of this invention, with Figure 1 being a side view in use, and Figure 2 being a side view of the device in use.
The figure is a perspective view, FIG. 3 is a sectional view, FIG. 4 is a side view when the opening of the installation hole is formed, FIG. 5 is an exploded perspective view of another embodiment, and FIG. FIG. 7 is a side view of the device installed, and FIG. 7 is a side view of the conventional device installed in the installation hole. C...Ceiling decorative board, H...Installation hole, T...Appliances, F...Mounting flange, D...Electric drill, 1...Shank, 2...Center, 3...Support part, 4...Hole saw tube, 5...Sawtooth, 6... Grinding surface, 7... Hole saw body, 8... Connecting means, 9... Through hole, 10... Connecting screw,
11...Screw hole.
Claims (1)
能にしたシヤンクの先端に、天井化粧ボードに開
口形成すべき設置孔中心に合致するセンターを形
成し、また、シヤンクには支持部を連設形成し、
センターがわでの支持部面には、設置孔径に対応
した径を有するホールソー筒を形成し、このホー
ルソー筒開口端縁には、開口端縁の周方向に沿つ
ての適宜間隔で複数の鋸歯を形成し、センターが
わでのホールソー筒外縁には、設置孔周囲で器具
類の取付フランジに対応して研削すべき範囲での
大きさを有する研削面を形成したことを特徴とす
る天井化粧ボード用ホールソー。 2 所定の外径を有するホールソー筒の外周縁に
所定の幅員での研削面を一体にした大きさが異な
る幾つかのホールソー体を形成する一方、シヤン
クに支持部を一体形成させ、支持部面に連結手段
を介してホールソー体を交換自在に連結して成る
実用新案登録請求の範囲第1項記載の天井化粧ボ
ード用ホールソー。 3 連結手段は、開穿させた貫挿孔に貫挿させた
連結ネジを支持部に同心円状にして配列された複
数のネジ孔のいずれかにねじ込むものとされる実
用新案登録請求の範囲第2項記載の天井化粧ボー
ド用ホールソー。[Scope of Claim for Utility Model Registration] 1. A shank that can be connected to the end of a rotating shaft of a prescribed electric drill, with a center formed at the tip thereof that matches the center of an installation hole to be formed in a ceiling decorative board; A support part is formed in series on the
A hole saw cylinder having a diameter corresponding to the diameter of the installation hole is formed on the supporting part surface near the center, and the opening edge of this hole saw cylinder has a plurality of saw teeth at appropriate intervals along the circumferential direction of the opening edge. A ceiling decoration characterized in that a grinding surface is formed on the outer edge of the hole saw cylinder near the center, and has a grinding surface having a size within a range that corresponds to the mounting flange of instruments around the installation hole. Hole saw for boards. 2. Several hole saw bodies of different sizes are formed by integrating a grinding surface with a predetermined width on the outer peripheral edge of a hole saw cylinder having a predetermined outer diameter, and a supporting portion is integrally formed with the shank, and the supporting portion surface A hole saw for a ceiling decorative board according to claim 1, wherein a hole saw body is exchangeably connected to the hole saw body through a connecting means. 3. Claim No. 3 for Utility Model Registration states that the connecting means is such that a connecting screw inserted through a drilled through-hole is screwed into one of a plurality of screw holes arranged concentrically in the support part. A hole saw for ceiling decorative boards as described in item 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11436186U JPS6321511U (en) | 1986-07-25 | 1986-07-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11436186U JPS6321511U (en) | 1986-07-25 | 1986-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6321511U true JPS6321511U (en) | 1988-02-12 |
Family
ID=30997032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11436186U Pending JPS6321511U (en) | 1986-07-25 | 1986-07-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6321511U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006097980A1 (en) * | 2005-03-11 | 2006-09-21 | Kabushiki Kaisha Miyanaga | Core drill |
-
1986
- 1986-07-25 JP JP11436186U patent/JPS6321511U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006097980A1 (en) * | 2005-03-11 | 2006-09-21 | Kabushiki Kaisha Miyanaga | Core drill |