JPH0486109U - - Google Patents
Info
- Publication number
- JPH0486109U JPH0486109U JP13050090U JP13050090U JPH0486109U JP H0486109 U JPH0486109 U JP H0486109U JP 13050090 U JP13050090 U JP 13050090U JP 13050090 U JP13050090 U JP 13050090U JP H0486109 U JPH0486109 U JP H0486109U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- bearing
- drill
- drilling tool
- blade
- 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
- 238000005553 drilling Methods 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案実施例の構成を示す斜視図。第
２図ａおよびｂは本考案実施例における覆いの他
の形状例を示す図。第３図は従来例の構成を示す
図。第４図は従来例孔あけ工具を用いた作業状態
を示す図。
１……回転軸、２……ドリル、３……ブレード
、４……電動機、５……軸受、６……覆い、６ａ
……上縁、７……延長棒、８……磁石。
FIG. 1 is a perspective view showing the configuration of an embodiment of the present invention. Figures 2a and 2b are views showing other examples of the shape of the cover in the embodiment of the present invention. FIG. 3 is a diagram showing the configuration of a conventional example. FIG. 4 is a diagram showing a working state using a conventional drilling tool. DESCRIPTION OF SYMBOLS 1... Rotating shaft, 2... Drill, 3... Blade, 4... Electric motor, 5... Bearing, 6... Cover, 6a
...Top edge, 7...Extension rod, 8...Magnet.
Claims (1)
たドリルと、 その回転軸から可変距離ｘの位置にその回転軸
に平行にその回転軸とともに回転するように取付
けられたブレードと、 その回転軸を回転駆動する電動機と、 その回転軸が貫通しその回転軸を支持する軸受
と、 その軸受に取付けられ、前記ブレードの回転直
径より大きい内径であつて透明プラスチツクで構
成され、前記ブレードの回転範囲を覆い、その上
縁は天井面に当接する構造の覆いと を備えた天井の孔あけ工具において、 前記回転軸と前記ドリルとの間に長さが６０cm
ないし９０cmの延長棒が取付けられたことを特徴
とする天井の孔あけ工具。 ２ 前記軸受に対して前記回転軸はその軸方向に
距離ｙだけ移動可能であり、 この距離ｙは操作により可変設定できる構造を
備えた 請求項１記載の天井の孔あけ工具。[Claims for Utility Model Registration] 1. A rotating shaft, a drill installed with its axis aligned with the rotating shaft, and a drill with the rotating shaft parallel to the rotating shaft at a variable distance x from the rotating shaft. A blade mounted to rotate, an electric motor that rotationally drives the rotating shaft, a bearing that the rotating shaft passes through and supports the rotating shaft, and a bearing that is attached to the bearing and has an inner diameter larger than the rotating diameter of the blade. A ceiling drilling tool comprising a cover made of transparent plastic and having a structure that covers the rotation range of the blade and whose upper edge abuts the ceiling surface, wherein a long length is provided between the rotation axis and the drill. Saga 60cm
A ceiling drilling tool characterized by being equipped with a 90 cm extension rod. 2. The ceiling drilling tool according to claim 1, wherein the rotary shaft is movable in the axial direction by a distance y with respect to the bearing, and the distance y can be variably set by operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13050090U JPH0486109U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13050090U JPH0486109U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486109U true JPH0486109U (en) | 1992-07-27 |
Family
ID=31877835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13050090U Pending JPH0486109U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100417253B1 (en) * | 2001-06-19 | 2004-02-05 | 김정석 | Major axis drill and it's safety cap assembly |
| JP2006000960A (en) * | 2004-06-17 | 2006-01-05 | Hiroki Egawa | Boring metal tool and method for boring inner wall face |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250281B2 (en) * | 1971-10-04 | 1977-12-23 | ||
| JPS6332709B2 (en) * | 1981-12-11 | 1988-07-01 | Ishikawajima Harima Heavy Ind |
-
1990
- 1990-11-30 JP JP13050090U patent/JPH0486109U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250281B2 (en) * | 1971-10-04 | 1977-12-23 | ||
| JPS6332709B2 (en) * | 1981-12-11 | 1988-07-01 | Ishikawajima Harima Heavy Ind |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100417253B1 (en) * | 2001-06-19 | 2004-02-05 | 김정석 | Major axis drill and it's safety cap assembly |
| JP2006000960A (en) * | 2004-06-17 | 2006-01-05 | Hiroki Egawa | Boring metal tool and method for boring inner wall face |
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