JPS6272387U - - Google Patents
Info
- Publication number
- JPS6272387U JPS6272387U JP15986985U JP15986985U JPS6272387U JP S6272387 U JPS6272387 U JP S6272387U JP 15986985 U JP15986985 U JP 15986985U JP 15986985 U JP15986985 U JP 15986985U JP S6272387 U JPS6272387 U JP S6272387U
- Authority
- JP
- Japan
- Prior art keywords
- rotary
- rotary base
- tip
- cutting
- utility
- 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 3
Landscapes
- Earth Drilling (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は平面図、第２図は切削チツプの拡大斜視図、第
３図は内側切削チツプ列の切削チツプの―断
面図、第４図は外側切削チツプ列の切削チツプの
―断面図、第５図は切削チツプの―断面
図である。
１は回転切削孔、２は回転駆動軸、３は回転基
台、４は切削チツプ、５は窪部、７は雄ネジ部、
８，９，１０，１１，１２，１３は側面、１４，
１５，１６，１７，１８，１９は切刃。
The drawings show an embodiment of the present invention, in which Fig. 1 is a plan view, Fig. 2 is an enlarged perspective view of the cutting tip, Fig. 3 is a sectional view of the cutting tip in the inner cutting tip row, and Fig. 4 is a cross-sectional view of the cutting tip. 5 is a sectional view of the cutting tips in the outer cutting tip row, and FIG. 5 is a sectional view of the cutting tips. 1 is a rotary cutting hole, 2 is a rotary drive shaft, 3 is a rotary base, 4 is a cutting tip, 5 is a recessed part, 7 is a male screw part,
8, 9, 10, 11, 12, 13 are the sides, 14,
15, 16, 17, 18, 19 are cutting blades.
Claims (1)
なくとも３つの側面を有して各側面と先端面との
稜に切刃を形成した角柱状の切削チツプを回転基
台の回転中心に対して同心状に配設したことを特
徴とする回転削孔刃。 (2) 回転基台は開口部を有する環状体であつて
、切削チツプを回転基台の先端部分の内側縁と外
側縁に沿つて交互に直交するように配置したこと
を特徴とする実用新案登録請求の範囲第(1)項に
記載の回転削孔刃。 (3) 切削チツプを回転基台の内外方に一部突出
させることを特徴とする実用新案登録請求の範囲
第(1)項または第(2)項記に記載の回転削孔刃。[Claims for Utility Model Registration] (1) A prismatic cutting chip having at least three continuous obtuse-angled side surfaces at the tip of a rotary base and a cutting edge formed on the ridge between each side and the tip surface. A rotary hole-drilling blade characterized by being arranged concentrically with respect to the rotation center of a rotary base. (2) A utility model characterized in that the rotary base is an annular body having an opening, and the cutting chips are arranged alternately and perpendicularly along the inner and outer edges of the tip of the rotary base. A rotary drilling blade according to registered claim (1). (3) The rotary drilling blade as set forth in claim (1) or (2) of the utility model registration claim, characterized in that the cutting tip partially protrudes inwardly and outwardly from the rotary base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15986985U JPS6272387U (en) | 1985-10-21 | 1985-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15986985U JPS6272387U (en) | 1985-10-21 | 1985-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6272387U true JPS6272387U (en) | 1987-05-09 |
Family
ID=31084707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15986985U Pending JPS6272387U (en) | 1985-10-21 | 1985-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6272387U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741988B2 (en) * | 1976-10-20 | 1982-09-06 | ||
| JPS60199180A (en) * | 1984-03-21 | 1985-10-08 | アイシン精機株式会社 | Automatic opening and closing apparatus of opening cover material |
-
1985
- 1985-10-21 JP JP15986985U patent/JPS6272387U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5741988B2 (en) * | 1976-10-20 | 1982-09-06 | ||
| JPS60199180A (en) * | 1984-03-21 | 1985-10-08 | アイシン精機株式会社 | Automatic opening and closing apparatus of opening cover material |
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