JPH02117475U - - Google Patents
Info
- Publication number
- JPH02117475U JPH02117475U JP1989026478U JP2647889U JPH02117475U JP H02117475 U JPH02117475 U JP H02117475U JP 1989026478 U JP1989026478 U JP 1989026478U JP 2647889 U JP2647889 U JP 2647889U JP H02117475 U JPH02117475 U JP H02117475U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- groove
- oil seal
- diameter
- gradually increased
- 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
- 230000002265 prevention Effects 0.000 description 1
Description
第１図は本考案の一実施例の斜視図、第２図は
第１図の要部拡大斜視図、第３図は本考案の他の
実施例の要部拡大斜視図、第４図はオイルシール
が装着されている状態を示す断面図、第５図は従
来例の斜視図、第６図は従来の他の例の要部拡大
断面図である。
１……オイルシール本体、５……オイルシール
装着溝、６……溝開口、７……脱落防止突起、８
……スプリング、９……フツク。
Fig. 1 is a perspective view of one embodiment of the present invention, Fig. 2 is an enlarged perspective view of the main part of Fig. 1, Fig. 3 is an enlarged perspective view of the main part of another embodiment of the invention, and Fig. 4 is an enlarged perspective view of the main part of Fig. 1. FIG. 5 is a perspective view of a conventional example, and FIG. 6 is an enlarged sectional view of a main part of another conventional example. 1... Oil seal body, 5... Oil seal mounting groove, 6... Groove opening, 7... Falling prevention protrusion, 8
...Spring, 9...Futsuku.
Claims (1)
有するスプリング装着溝にコイル状のスプリング
を挿入しそのスプリングの両端に設けられたフツ
ク同士を係合してオイルシール本体に一定の緊締
力を保持させたオイルシールにおいて、上記スプ
リング溝の溝径及びその溝開口の幅をある基準の
位置から漸次大きくすると共にスプリングのコイ
ル径を前記溝径に対応させて漸次大きくしたこと
を特徴とするオイルシール。 A coiled spring is inserted into a spring mounting groove with a drop-prevention protrusion formed on the oil seal body, and the hooks provided at both ends of the spring are engaged to maintain a constant tightening force on the oil seal body. An oil seal characterized in that the diameter of the spring groove and the width of the groove opening thereof are gradually increased from a certain reference position, and the coil diameter of the spring is gradually increased in correspondence with the groove diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989026478U JPH02117475U (en) | 1989-03-07 | 1989-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989026478U JPH02117475U (en) | 1989-03-07 | 1989-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02117475U true JPH02117475U (en) | 1990-09-20 |
Family
ID=31248142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989026478U Pending JPH02117475U (en) | 1989-03-07 | 1989-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02117475U (en) |
-
1989
- 1989-03-07 JP JP1989026478U patent/JPH02117475U/ja active Pending