JPH02101113U - - Google Patents
Info
- Publication number
- JPH02101113U JPH02101113U JP778289U JP778289U JPH02101113U JP H02101113 U JPH02101113 U JP H02101113U JP 778289 U JP778289 U JP 778289U JP 778289 U JP778289 U JP 778289U JP H02101113 U JPH02101113 U JP H02101113U
- Authority
- JP
- Japan
- Prior art keywords
- washer
- protrusion
- head
- screw member
- attached
- 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
- Bolts, Nuts, And Washers (AREA)
Description
第１図は本考案のねじの緩み止装置の一実施例
を示す側面図、第２図は同緩み止装置における座
金の裏面図、第３図ａは第２図のＡ―Ａ断面図、
同図ｂは第２図のＢ―Ｂ断面図、第４図、第５図
は同緩み止装置の異なる実施例の一部切断状態の
側面図、第６図、第７図は従来のねじの緩み止装
置の異なる例であり、夫々の図のａは一部切断状
態の側面図、ｂは夫々の座金の裏面図である。
FIG. 1 is a side view showing an embodiment of the screw locking device of the present invention, FIG. 2 is a back view of the washer in the screw locking device, and FIG. 3a is a sectional view taken along line A-A in FIG.
Figure b is a sectional view taken along line B-B in Figure 2, Figures 4 and 5 are partially cutaway side views of different embodiments of the same locking device, and Figures 6 and 7 are conventional screws. These are different examples of the locking device, and in each figure, a is a partially cutaway side view, and b is a back view of each washer.
Claims (1)
けられてなるねじ具において、前記頭部２の裏面
３に鋸歯状の頭部突起５が、前記座金４の表面に
鋸歯状の座金突起６が夫々設けられ、この頭部突
起５と座金突起６はねじ部材１の締めつけ方向へ
の回転時には相互に空転して回転自在であり、ね
じ部材１の緩み方向への回転時には相互に噛み合
つてねじ部材１の回転が阻止される斜面に形成さ
れ、同座金４の裏面にはねじ部材１により座金４
が締めつけ方向へ回転されると取付け材７に食込
む食込み突起８と、同座金４の逆方向への回転時
に取付け材７に係止して座金４の緩みを規制する
緩み止め突起９とが設けられ、前記緩み止め突起
９の本数が食い込み突起８の本数より多いことを
特徴とするねじの緩み止装置。 In a screw tool in which a washer 4 is attached to the back surface 3 side of the head 2 of the screw member 1, a serrated head protrusion 5 is attached to the back surface 3 of the head 2, and a serrated washer is attached to the surface of the washer 4. A protrusion 6 is provided, and the head protrusion 5 and washer protrusion 6 are freely rotatable by mutually idling when the screw member 1 rotates in the tightening direction, and engage with each other when the screw member 1 rotates in the loosening direction. The washer 4 is formed on the back surface of the washer 4 by the screw member 1.
A projection 8 that bites into the mounting material 7 when the washer 4 is rotated in the tightening direction, and a locking projection 9 that engages the mounting material 7 and restricts the loosening of the washer 4 when the washer 4 is rotated in the opposite direction. A screw locking device characterized in that the number of locking projections 9 is greater than the number of biting projections 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP778289U JPH02101113U (en) | 1989-01-26 | 1989-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP778289U JPH02101113U (en) | 1989-01-26 | 1989-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101113U true JPH02101113U (en) | 1990-08-13 |
Family
ID=31213089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP778289U Pending JPH02101113U (en) | 1989-01-26 | 1989-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101113U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05281406A (en) * | 1992-03-31 | 1993-10-29 | Toshiba Emi Ltd | Formatrion of optical reflection film |
| JP2015218874A (en) * | 2014-05-21 | 2015-12-07 | 株式会社マルナカ | Washer and screws with washer |
| JP2015224671A (en) * | 2014-05-26 | 2015-12-14 | 株式会社マルナカ | Washer and screw with washer |
| JP2015230041A (en) * | 2014-06-05 | 2015-12-21 | 株式会社マルナカ | Washer and screw with washer |
| JP2019002541A (en) * | 2017-06-19 | 2019-01-10 | イワタボルト株式会社 | Fastening bolt |
-
1989
- 1989-01-26 JP JP778289U patent/JPH02101113U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05281406A (en) * | 1992-03-31 | 1993-10-29 | Toshiba Emi Ltd | Formatrion of optical reflection film |
| JP2015218874A (en) * | 2014-05-21 | 2015-12-07 | 株式会社マルナカ | Washer and screws with washer |
| JP2015224671A (en) * | 2014-05-26 | 2015-12-14 | 株式会社マルナカ | Washer and screw with washer |
| JP2015230041A (en) * | 2014-06-05 | 2015-12-21 | 株式会社マルナカ | Washer and screw with washer |
| JP2019002541A (en) * | 2017-06-19 | 2019-01-10 | イワタボルト株式会社 | Fastening bolt |
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