JPH02121611U - - Google Patents
Info
- Publication number
- JPH02121611U JPH02121611U JP2934489U JP2934489U JPH02121611U JP H02121611 U JPH02121611 U JP H02121611U JP 2934489 U JP2934489 U JP 2934489U JP 2934489 U JP2934489 U JP 2934489U JP H02121611 U JPH02121611 U JP H02121611U
- Authority
- JP
- Japan
- Prior art keywords
- threaded part
- head
- thread
- screw head
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dowels (AREA)
Description
第１図ａは、本考案の実施例を説明する縦断面
図、同図ｂは、同斜視図、第２図ａ，ｂ，ｃは、
第１図に示した隠しねじ釘の使用例を示す説明図
である。
１……隠しねじ釘、２……ねじ部、２ａ……頭
部、２ｂ……外周面、２ｃ……先端部、３……ね
じ頭、３ａ……外周面、４……締付け穴、５，６
……ねじ山、７……開口部。
Fig. 1a is a longitudinal sectional view illustrating an embodiment of the present invention, Fig. 1b is a perspective view of the same, Fig. 2a, b, and c are
FIG. 2 is an explanatory diagram showing an example of use of the hidden screw nail shown in FIG. 1; 1... Hidden screw nail, 2... Threaded part, 2a... Head, 2b... Outer circumferential surface, 2c... Tip, 3... Screw head, 3a... Outer circumferential surface, 4... Tightening hole, 5 ,6
...screw thread, 7...opening.
Claims (1)
成り、 前記ねじ部は、頭部に締付け穴が形成され、先
端部が尖鋭に形成されていて、外周面にねじ山が
設けられているとともに、 前記ねじ頭は、円筒状に形成され、その外周面
に、前記ねじ部に設けたねじ山の巻き方向に対し
て逆の巻き方向に、ねじ山が設けられていて、ね
じ頭の開口部を鋭利に形成したことを特徴とする
隠しねじ釘。[Scope of Claim for Utility Model Registration] Consisting of a threaded part and a screw head provided on the head of the threaded part, the threaded part has a tightening hole formed in the head and a sharp tip, A thread is provided on the outer peripheral surface, and the screw head is formed in a cylindrical shape, and a thread is provided on the outer peripheral surface in a winding direction opposite to the winding direction of the thread provided on the threaded part. A concealed screw nail characterized in that the opening of the screw head is sharply formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2934489U JPH02121611U (en) | 1989-03-15 | 1989-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2934489U JPH02121611U (en) | 1989-03-15 | 1989-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02121611U true JPH02121611U (en) | 1990-10-03 |
Family
ID=31253477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2934489U Pending JPH02121611U (en) | 1989-03-15 | 1989-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02121611U (en) |
-
1989
- 1989-03-15 JP JP2934489U patent/JPH02121611U/ja active Pending