JPS58142409U - Self drilling screw - Google Patents
Self drilling screwInfo
- Publication number
- JPS58142409U JPS58142409U JP3792382U JP3792382U JPS58142409U JP S58142409 U JPS58142409 U JP S58142409U JP 3792382 U JP3792382 U JP 3792382U JP 3792382 U JP3792382 U JP 3792382U JP S58142409 U JPS58142409 U JP S58142409U
- Authority
- JP
- Japan
- Prior art keywords
- drilling screw
- cutting
- long axis
- self
- guide end
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims description 5
- 238000013459 approach Methods 0.000 claims 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0084—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by geometric details of the tip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Drilling Tools (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案に係るセルフドリリングスクリュー 、（
螺子）の一実施例のものにして、第１図はその側面図、
第２図は第１図に示す螺子案内端４を９００の角度から
見た拡大図、第３図は第１図及び第２図に示す案内端４
の拡大端面図、第４図は第３図案内端４の斜視図である
。
図面の符号＝１・・・螺子、２・・・頭部、３・・・軸
部、４・・・案内端、５，６・・・縦溝（切削溝）、７
，８゜１１．１２・・・切削縁、９，１３・・・切削面
、１０゜１４・・・抗力面、１５．１６・・・ランド。The figure shows the self-drilling screw according to the present invention (
Figure 1 is a side view of one embodiment of the screw (screw).
FIG. 2 is an enlarged view of the screw guide end 4 shown in FIG. 1 seen from an angle of 900 degrees, and FIG.
FIG. 4 is a perspective view of the guide end 4 shown in FIG. 3. Reference symbols in drawings = 1...Screw, 2...Head, 3...Shaft, 4...Guiding end, 5, 6...Vertical groove (cutting groove), 7
, 8゜11.12... Cutting edge, 9, 13... Cutting surface, 10゜14... Drag surface, 15.16... Land.
Claims (1)
の縦方向に延長する切削溝及びランドを設けた案内端を
有し、この案内端が横断面に短軸及び長軸を有せしむセ
ルフドリリングスクリューに於いて、上記切削溝５，６
を、この切削面９，１３が案内端４の長軸ａ及び短軸す
にて規定される湾曲面に沿って長軸ａ側に横たわり且つ
長軸ａと二点で交わるべく方向付けすると共に、上記切
削面９．１３の先方部？’、１１′から尖端部７“、１
１“をランド１５．１６に回り込ませ、該尖端部７″、
１１″を互いに捩じり合せてなることを特徴とするセル
フドリリングスクリュー。 ２ 切削面９，１３が、その最大幅において切削縁に近
ずくほど急なすくい角を有するものであることを特徴と
する実用新案登録請求の範囲第、１項記載のセルフドリ
リングスクリュー。[Claims for Utility Model Registration] 1. A tool having a member that engages with a tool, a thread-processed shaft portion, and a guide end provided with a plurality of cutting grooves and lands extending in the vertical direction, and this guide end has a cross section. In a self-drilling screw having a short axis and a long axis, the cutting grooves 5 and 6 are
The cutting surfaces 9, 13 are oriented so that they lie on the long axis a side along the curved surface defined by the long axis a and the short axis of the guide end 4, and intersect with the long axis a at two points. , the front part of the above cutting surface 9.13? ', 11' to the tip 7'', 1
1" around the land 15.16, and the pointed end 7",
2. A self-drilling screw characterized in that the cutting surfaces 9 and 13 have a rake angle that becomes steeper as the maximum width approaches the cutting edge. A self-drilling screw according to Claim No. 1 of the registered utility model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3792382U JPS58142409U (en) | 1982-03-19 | 1982-03-19 | Self drilling screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3792382U JPS58142409U (en) | 1982-03-19 | 1982-03-19 | Self drilling screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58142409U true JPS58142409U (en) | 1983-09-26 |
| JPS6246009Y2 JPS6246009Y2 (en) | 1987-12-10 |
Family
ID=30049289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3792382U Granted JPS58142409U (en) | 1982-03-19 | 1982-03-19 | Self drilling screw |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58142409U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318182A (en) * | 1965-11-03 | 1967-05-09 | Textron Ind Inc | Self-thread-forming screw with drill point and method of making same |
| US4125050A (en) * | 1977-06-06 | 1978-11-14 | J. Schwartzman Manufacturing & Supply Co. | Self-drilling screw |
| JPS54107759U (en) * | 1978-01-18 | 1979-07-28 | ||
| JPS5665214U (en) * | 1979-10-25 | 1981-06-01 | ||
| JPS5697618A (en) * | 1979-12-29 | 1981-08-06 | Shinjo Seisakusho Yk | Drill screw |
-
1982
- 1982-03-19 JP JP3792382U patent/JPS58142409U/en active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3318182A (en) * | 1965-11-03 | 1967-05-09 | Textron Ind Inc | Self-thread-forming screw with drill point and method of making same |
| US4125050A (en) * | 1977-06-06 | 1978-11-14 | J. Schwartzman Manufacturing & Supply Co. | Self-drilling screw |
| JPS54107759U (en) * | 1978-01-18 | 1979-07-28 | ||
| JPS5665214U (en) * | 1979-10-25 | 1981-06-01 | ||
| JPS5697618A (en) * | 1979-12-29 | 1981-08-06 | Shinjo Seisakusho Yk | Drill screw |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6246009Y2 (en) | 1987-12-10 |
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