JPS62138914U - - Google Patents
Info
- Publication number
- JPS62138914U JPS62138914U JP2677886U JP2677886U JPS62138914U JP S62138914 U JPS62138914 U JP S62138914U JP 2677886 U JP2677886 U JP 2677886U JP 2677886 U JP2677886 U JP 2677886U JP S62138914 U JPS62138914 U JP S62138914U
- Authority
- JP
- Japan
- Prior art keywords
- curvature
- hexagon
- center
- radius
- regular hexagon
- 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
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
第１図と第２図は本考案の実施例を示す正面図
および一部破断平面図、第３図は本考案によるボ
ルトのヘツドの形状を線図的に表したものであり
、第４図は本考案によるボルトと組み合わせるに
適した変形六角レンチの斜視図、第５図は本考案
ボルトに変形六角レンチを差し込んだ状態を示し
、第６図は本考案ボルトに従来の六角レンチを差
し込んだ状態を示す。第７図は従来の六角穴付き
ボルトに六角レンチを差し込んだ状態を示す。
１……六角穴付螺子、２……ヘツド、３……円
弧、４……変形六角穴、６……（正六角形の）辺
、７……（辺の）垂直２等分線、８……（辺への
）垂線、Ｏ１……正六角形の中心、Ｏ２……円弧
の曲率中心。
1 and 2 are a front view and a partially cutaway plan view showing an embodiment of the present invention, FIG. 3 is a diagrammatic representation of the shape of the bolt head according to the present invention, and FIG. is a perspective view of a modified hex wrench suitable for combination with the bolt of the present invention, Figure 5 shows the modified hex wrench inserted into the bolt of the present invention, and Figure 6 shows a conventional hexagon wrench inserted into the bolt of the present invention. Indicates the condition. FIG. 7 shows a state in which a hexagon wrench is inserted into a conventional hexagon socket head bolt. 1...Hexagon socket screw, 2...Head, 3...Circular arc, 4...Deformed hexagonal hole, 6...Side (of a regular hexagon), 7...Perpendicular bisector (of the side), 8... ...Perpendicular line (to the side), O 1 ... Center of regular hexagon, O 2 ... Center of curvature of circular arc.
Claims (1)
直２等分線７上に曲率中心Ｏ２を有しかつ六角形
の内方に湾曲した６本の円弧３にて置換し、これ
ら６本の円弧３の曲率半径Ｒを等しく設定すると
ともに、円弧の谷部の深さｈが正六角形の中心Ｏ
１から辺に下ろした垂線８の長さＢの約４％〜１
６％となるようにその曲率半径の大きさを定める
ことにより画成した変形六角形を断面形状とする
穴４を穿設したことを特徴とする六角穴付き螺子
。 The six sides 6 of a regular hexagon made of straight lines are replaced with six circular arcs 3 that have a center of curvature O2 on the perpendicular bisector 7 of each side 6 and are curved inward of the hexagon, and these The radius of curvature R of the six circular arcs 3 is set equal, and the depth h of the valley of the circular arc is set to the center O of the regular hexagon.
Approximately 4% to 1 of the length B of the perpendicular line 8 drawn from 1 to the side
A screw with a hexagonal socket, characterized in that a hole 4 is bored whose cross section is a modified hexagon defined by setting the radius of curvature to 6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2677886U JPS62138914U (en) | 1986-02-26 | 1986-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2677886U JPS62138914U (en) | 1986-02-26 | 1986-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62138914U true JPS62138914U (en) | 1987-09-02 |
Family
ID=30828178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2677886U Pending JPS62138914U (en) | 1986-02-26 | 1986-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62138914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013521450A (en) * | 2010-03-02 | 2013-06-10 | フィリップス・スクリュー・カンパニー | Fastening system with stable engagement and stick fit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5526327A (en) * | 1978-08-09 | 1980-02-25 | Nippon Sheet Glass Co Ltd | Method of making elastic bead having adhesive layer* and elastic bead |
-
1986
- 1986-02-26 JP JP2677886U patent/JPS62138914U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5526327A (en) * | 1978-08-09 | 1980-02-25 | Nippon Sheet Glass Co Ltd | Method of making elastic bead having adhesive layer* and elastic bead |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013521450A (en) * | 2010-03-02 | 2013-06-10 | フィリップス・スクリュー・カンパニー | Fastening system with stable engagement and stick fit |