JPH03130907U - - Google Patents
Info
- Publication number
- JPH03130907U JPH03130907U JP3954690U JP3954690U JPH03130907U JP H03130907 U JPH03130907 U JP H03130907U JP 3954690 U JP3954690 U JP 3954690U JP 3954690 U JP3954690 U JP 3954690U JP H03130907 U JPH03130907 U JP H03130907U
- Authority
- JP
- Japan
- Prior art keywords
- cap
- nut
- utility
- model registration
- tightening control
- 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
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Joining Of Building Structures In Genera (AREA)
- Bolts, Nuts, And Washers (AREA)
Description
第１図は第１実施例の縦断面図であり、第２図
は回転開始時点の同斜視図である。第３図は回転
角７５度締付けた時の平面図である。第４図は第
２実施例の縦断面図であり、第５図は回転開始時
点の同斜視図である。第６図は回転角５０度締付
けた時の平面図である。
図面中の各番号は下記のものを示す。１……被
締付け物、２……ボルト、３……六角ナツト、４
……円筒部、５，１１……キヤツプ、６，１２…
…刻印、７，７′……垂直稜線、８，１４……合
わせ印、９，１３……角度目盛、１０……座金。
FIG. 1 is a longitudinal sectional view of the first embodiment, and FIG. 2 is a perspective view of the same at the time of starting rotation. FIG. 3 is a plan view when the rotation angle is 75 degrees. FIG. 4 is a longitudinal sectional view of the second embodiment, and FIG. 5 is a perspective view of the same at the time of starting rotation. FIG. 6 is a plan view when the rotation angle is tightened by 50 degrees. Each number in the drawings indicates the following. 1...Tightened object, 2...Bolt, 3...Hexagonal nut, 4
... Cylindrical part, 5, 11... Cap, 6, 12...
... Stamp, 7, 7'... Vertical ridge line, 8, 14... Matching mark, 9, 13... Angle scale, 10... Washer.
Claims (1)
した刻印が、六角ナツト又は四角ナツトのかどの
垂直稜線と軸心を通る同一平面上に位置するよう
にして上記キヤツプを六角ナツト又は四角ナツト
の上部にきつくはめこみ固定した、締付け管理用
ナツト。 (2) 締結相手のボルト先端部が貫通しうる大き
さの穴を上記キヤツプと天井に穿つた、実用新案
登録請求の範囲の第１項記載の、締付け管理用ナ
ツト。 (3) 上記刻印を起点とした角度目盛をキヤツプ
の頭部周縁に備えた、実用新案登録請求の範囲の
第２項記載の、締付け管理用ナツト。 (4) 上記キヤツプの頂面がボルト先端とほぼ同
じ高さになるようにした、実用新案登録請求の範
囲の第２項記載の、締付け管理用ナツト。[Claims for Utility Model Registration] (1) The markings made on the head surface of the cylindrical dome-shaped cap are located on the same plane passing through the vertical ridgeline of the corner of the hexagonal nut or the square nut and the axis. A tightening control nut in which the cap is tightly fitted and fixed onto the top of a hexagonal nut or square nut. (2) The tightening control nut according to claim 1 of the utility model registration claim, which has a hole in the cap and the ceiling that is large enough to allow the tip of the bolt to pass through. (3) The tightening control nut according to claim 2 of the utility model registration claim, which is provided with an angle scale on the periphery of the head of the cap, starting from the above-mentioned marking. (4) The tightening control nut according to claim 2 of the utility model registration claim, wherein the top surface of the cap is approximately at the same height as the tip of the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3954690U JPH03130907U (en) | 1990-04-16 | 1990-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3954690U JPH03130907U (en) | 1990-04-16 | 1990-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03130907U true JPH03130907U (en) | 1991-12-27 |
Family
ID=31548553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3954690U Pending JPH03130907U (en) | 1990-04-16 | 1990-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03130907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009210276A (en) * | 2008-02-29 | 2009-09-17 | Mitsubishi Heavy Ind Ltd | System and method for detecting loosening of fastening implement |
-
1990
- 1990-04-16 JP JP3954690U patent/JPH03130907U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009210276A (en) * | 2008-02-29 | 2009-09-17 | Mitsubishi Heavy Ind Ltd | System and method for detecting loosening of fastening implement |