JPH02150407U - - Google Patents
Info
- Publication number
- JPH02150407U JPH02150407U JP5823989U JP5823989U JPH02150407U JP H02150407 U JPH02150407 U JP H02150407U JP 5823989 U JP5823989 U JP 5823989U JP 5823989 U JP5823989 U JP 5823989U JP H02150407 U JPH02150407 U JP H02150407U
- Authority
- JP
- Japan
- Prior art keywords
- washers
- synthetic resin
- outer diameter
- elastic synthetic
- resin ring
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 239000000057 synthetic resin Substances 0.000 claims description 9
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Bolts, Nuts, And Washers (AREA)
Description
第１図は本考案装置に使用する両面ワツシヤ付
弾性合成樹脂製リングの正面図、第２図はその側
面図、第３図は係合突片の変形例を示す正面図、
第４図は本考案装置の締付け前の状態の縦断正面
図、第５図はその平面図、第６図は締付けが完了
した状態の縦断正面図、第７図はその平面図、第
８図は両面ワツシヤ付弾性合成樹脂製リングの他
の実施例を示す正面図、第９図はその平面図、第
１０図は締付け完了状態の平面図。
１はボルト、２はナツト、３は弾性合成樹脂製
リング、３１は切欠部、４，５はワツシヤ、６は
連結部、７，８は係合突片、９は座金、Ｐ１，Ｐ
２は被締結板。
FIG. 1 is a front view of an elastic synthetic resin ring with double-sided washers used in the device of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a front view showing a modification of the engaging protrusion.
Fig. 4 is a longitudinal sectional front view of the device of the present invention before tightening, Fig. 5 is its top view, Fig. 6 is a longitudinal sectional front view of the device after tightening, Fig. 7 is its plan view, and Fig. 8. 9 is a front view showing another embodiment of the ring made of elastic synthetic resin with double-sided washers, FIG. 9 is a plan view thereof, and FIG. 10 is a plan view of the tightened state. 1 is a bolt, 2 is a nut, 3 is an elastic synthetic resin ring, 31 is a notch, 4 and 5 are washers, 6 is a connecting portion, 7 and 8 are engaging protrusions, 9 is a washer, P1, P
2 is a plate to be fastened.
Claims (1)
より大きく、中央にねじ部品の軸部を通す穴を有
する一対のワツシヤを同軸上に配置した外周の一
部で一体に結合し、上記一対のワツシヤの間に、
外径が上記ワツシヤの外径より大きく、内径はね
じ部品の軸部の太さと略等しい弾性合成樹脂製リ
ングを挟み、上記両面にワツシヤが付いた弾性合
成樹脂製リングをねじ部品の頭部の座面に重ね、
ねじ部品の締付けによつて上記両面ワツシヤ付弾
性合成樹脂製リングを押圧し、略規定の圧力に達
したとき、上記弾性合成樹脂製リングを表裏にワ
ツシヤが重なつている部分で破断させるように構
成したねじ部品の締付未了および締付完了指示装
置。 (2) 一対のワツシヤの中、弾性合成樹脂製リン
グの裏側に位置するワツシヤの外径を表側のワツ
シヤより大きく且つ弾性合成樹脂製リングの外径
と略等しくした請求項第１項記載のねじ部品の締
付未了および締付完了指示装置。[Claims for Utility Model Registration] (1) An outer periphery with a pair of washers coaxially arranged, each having an outer diameter that is approximately equal to or larger than the head diameter of the threaded part and having a hole in the center through which the shaft of the threaded part passes. between the pair of washers,
An elastic synthetic resin ring whose outer diameter is larger than the outer diameter of the washer and whose inner diameter is approximately equal to the thickness of the shaft of the threaded part is sandwiched, and the elastic synthetic resin ring with washers on both sides is inserted into the head of the threaded part. Lay it on the seat,
By tightening the screw parts, the elastic synthetic resin ring with double-sided washers is pressed, and when a substantially specified pressure is reached, the elastic synthetic resin ring is broken at the part where the washers overlap on the front and back sides. A device that indicates the completion of tightening and completion of tightening of configured screw parts. (2) The screw according to claim 1, wherein the outer diameter of the washer located on the back side of the elastic synthetic resin ring among the pair of washers is larger than the outer diameter of the washer on the front side and approximately equal to the outer diameter of the elastic synthetic resin ring. A device that indicates when parts have not been tightened or when they have been tightened.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5823989U JPH0640973Y2 (en) | 1989-05-19 | 1989-05-19 | Device for indicating unfinished and completed tightening of screw parts |
| GB9004103A GB2229242B (en) | 1989-03-17 | 1990-02-23 | Apparatus for indicating incomplete and complete fastening of screw components |
| US07/483,822 US4988246A (en) | 1989-03-17 | 1990-02-23 | Apparatus for indicating incomplete and complete fastening of screw components |
| IT19517A IT1241599B (en) | 1989-03-17 | 1990-02-28 | DEVICE TO INDICATE THE COMPLETE AND INCOMPLETE FASTENING OF SCREW COMPONENTS |
| NL9000535A NL9000535A (en) | 1989-03-17 | 1990-03-08 | DEVICE FOR INDICATING COMPLETE AND COMPLETELY TIGHTENING OF SCREW COMPONENTS. |
| FR9003425A FR2644529B1 (en) | 1989-03-17 | 1990-03-16 | DEVICE FOR INDICATING INCOMPLETE FIXING AND COMPLETE FIXING OF ELEMENTS TO BE SCREWED |
| DE4008500A DE4008500A1 (en) | 1989-03-17 | 1990-03-16 | DEVICE FOR DISPLAYING THE COMPLETE AND INcomplete Tightening of Screw Parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5823989U JPH0640973Y2 (en) | 1989-05-19 | 1989-05-19 | Device for indicating unfinished and completed tightening of screw parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02150407U true JPH02150407U (en) | 1990-12-26 |
| JPH0640973Y2 JPH0640973Y2 (en) | 1994-10-26 |
Family
ID=31583668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5823989U Expired - Lifetime JPH0640973Y2 (en) | 1989-03-17 | 1989-05-19 | Device for indicating unfinished and completed tightening of screw parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640973Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101715500B1 (en) * | 2015-09-02 | 2017-03-13 | 공주대학교 산학협력단 | Detecting unit for bolt loosening and assembly of bolt using the same |
-
1989
- 1989-05-19 JP JP5823989U patent/JPH0640973Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640973Y2 (en) | 1994-10-26 |
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