JPH01166810U - - Google Patents
Info
- Publication number
- JPH01166810U JPH01166810U JP5903688U JP5903688U JPH01166810U JP H01166810 U JPH01166810 U JP H01166810U JP 5903688 U JP5903688 U JP 5903688U JP 5903688 U JP5903688 U JP 5903688U JP H01166810 U JPH01166810 U JP H01166810U
- Authority
- JP
- Japan
- Prior art keywords
- shank
- threads
- thread
- cutting edge
- screw
- 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
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
第１図〜第４図は本考案の第１実施例を示し、
第１図は正面図、第２図は先端側からみた平面図
、第３図は第１図のＡ−Ａ線断面図、第４図は第
２図のＢ−Ｂ線断面図、第５図及び第６図は本考
案の第２実施例を示し、第５図は要部の正面図、
第６図は先端側からみた平面図、第７図は従来例
の要部正面図、第８図は他の従来例を示す要部正
面図である。
１……タツピングねじ、２……頭部、３……シ
ヤンク、４……錐状部、５，６，７……ねじ山、
８……切刃、９……すくい面、１１，１２，１３
……ノツチ。
1 to 4 show a first embodiment of the present invention,
Fig. 1 is a front view, Fig. 2 is a plan view seen from the tip side, Fig. 3 is a cross-sectional view taken along line A-A in Fig. 1, Fig. 4 is a cross-sectional view taken along line B-B in Fig. 2, and Fig. 5 is a cross-sectional view taken along line A-A in Fig. 2. 6 and 6 show a second embodiment of the present invention, FIG. 5 is a front view of the main part,
FIG. 6 is a plan view seen from the tip side, FIG. 7 is a front view of the main part of a conventional example, and FIG. 8 is a front view of the main part of another conventional example. 1...Tapping screw, 2...Head, 3...Shank, 4...Conical part, 5, 6, 7...Screw thread,
8... Cutting edge, 9... Rake face, 11, 12, 13
... Notsuchi.
Claims (1)
せられ、シヤンク３の外周面に各条のねじ山高さ
が異なる複数条のねじ山５，６，７が形成された
タツピングねじ１において、前記錐状部４に切刃
８が形成されかつそのすくい面９が各ねじ山５，
６，７の一部にまで延設され、前記ねじ山５，６
，７の少なくとも１条に、軸線と平行又は斜め方
向に切欠いたノツチ１１〜１３が適宜数設けられ
ていることを特徴とするタツピングねじ。 In a tapping screw 1, a shank 3 having a head 2 has a conical portion 4 at its tip, and a plurality of threads 5, 6, 7 having different thread heights are formed on the outer peripheral surface of the shank 3. , a cutting edge 8 is formed in the conical part 4, and the rake face 9 is formed on each thread 5,
6, 7, and the screw threads 5, 6
, 7 is provided with an appropriate number of notches 11 to 13 cut out in parallel or diagonally with the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5903688U JPH01166810U (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5903688U JPH01166810U (en) | 1988-04-30 | 1988-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166810U true JPH01166810U (en) | 1989-11-22 |
Family
ID=31284823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5903688U Pending JPH01166810U (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017067190A (en) * | 2015-09-30 | 2017-04-06 | 若井ホールディングス株式会社 | Wood screw |
-
1988
- 1988-04-30 JP JP5903688U patent/JPH01166810U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017067190A (en) * | 2015-09-30 | 2017-04-06 | 若井ホールディングス株式会社 | Wood screw |