JPS60143914U - Thin metal plate screws - Google Patents
Thin metal plate screwsInfo
- Publication number
- JPS60143914U JPS60143914U JP3215184U JP3215184U JPS60143914U JP S60143914 U JPS60143914 U JP S60143914U JP 3215184 U JP3215184 U JP 3215184U JP 3215184 U JP3215184 U JP 3215184U JP S60143914 U JPS60143914 U JP S60143914U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- thread
- shank
- connecting shaft
- tip
- 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
Landscapes
- Dowels (AREA)
- Connection Of Plates (AREA)
- Bolts, Nuts, And Washers (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
図面は本考案の実施例を示し、第１図はねじの正面図、
第２図は第１図の要部拡大図、第３図は第２図の■−■
視断面断面図４図は作用を示す図、第５図（、よ座金を
介挿して締結した状態を示す断面図である。
１・・・ねじ、２・・・シャンク、３・・・ねじ山、５
・・・ドリル部、６・・・連接軸部、７・・・ひれ片、
１０・・・突出部。The drawings show an embodiment of the present invention, and FIG. 1 is a front view of the screw;
Figure 2 is an enlarged view of the main parts of Figure 1, Figure 3 is ■-■ of Figure 2.
Fig. 4 is a cross-sectional view showing the action, and Fig. 5 is a cross-sectional view showing the state in which the washer is inserted and fastened. 1...Screw, 2...Shank, 3...Screw mountain, 5
... Drill part, 6... Connecting shaft part, 7... Fin piece,
10... Protrusion.
Claims (1)
記ねじ山の谷径より適宜小径の円柱状ドリル部と、該ド
リル部基端から同軸状に延びて前記シャンク先端に連続
する連接軸部とを一体的に形成し、前記連接軸部の外周
複数箇所には、当該連接軸部の略軸方向に板状に延びる
ひれ片を一体的に突設し、該ひれ片における外端面を、
その最大径部が前記シャンクのねじ山における山径との
中間径となるよう設定すると共に、当該最大径部からド
リル部に向って小径となるよう形成する一方、前記シャ
ンク先端部におけるねじ山を、その山径が前記連接軸部
に向らて小径となるテーパ状の不完全ねじ部に形成して
成る薄金属板用ねじ。, a cylindrical drill part having a suitably smaller diameter than the root diameter of the thread at the tip of the shank having threads formed on the outer periphery, and a connecting shaft part extending coaxially from the base end of the drill part and continuing to the tip of the shank. are integrally formed, and fin pieces extending in a plate shape in the substantially axial direction of the connecting shaft are integrally provided at a plurality of locations on the outer periphery of the connecting shaft, and the outer end surface of the fin is
The maximum diameter part is set to be an intermediate diameter with the thread diameter of the thread of the shank, and the diameter becomes smaller from the maximum diameter part toward the drill part, while the thread at the tip of the shank is A screw for a thin metal plate, which is formed into a tapered imperfect thread portion whose thread diameter becomes smaller toward the connecting shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3215184U JPS60143914U (en) | 1984-03-05 | 1984-03-05 | Thin metal plate screws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3215184U JPS60143914U (en) | 1984-03-05 | 1984-03-05 | Thin metal plate screws |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60143914U true JPS60143914U (en) | 1985-09-24 |
| JPS6324249Y2 JPS6324249Y2 (en) | 1988-07-04 |
Family
ID=30533398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3215184U Granted JPS60143914U (en) | 1984-03-05 | 1984-03-05 | Thin metal plate screws |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60143914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009544905A (en) * | 2006-07-26 | 2009-12-17 | エー・ヨット・オー・テー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディート・ゲゼルシャフト | Hole forming and thread forming screws |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4980455A (en) * | 1972-11-01 | 1974-08-02 |
-
1984
- 1984-03-05 JP JP3215184U patent/JPS60143914U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4980455A (en) * | 1972-11-01 | 1974-08-02 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009544905A (en) * | 2006-07-26 | 2009-12-17 | エー・ヨット・オー・テー・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディート・ゲゼルシャフト | Hole forming and thread forming screws |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324249Y2 (en) | 1988-07-04 |
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