JPS60174689U - Bicycle gear crankshaft bearing seal structure - Google Patents
Bicycle gear crankshaft bearing seal structureInfo
- Publication number
- JPS60174689U JPS60174689U JP6355984U JP6355984U JPS60174689U JP S60174689 U JPS60174689 U JP S60174689U JP 6355984 U JP6355984 U JP 6355984U JP 6355984 U JP6355984 U JP 6355984U JP S60174689 U JPS60174689 U JP S60174689U
- Authority
- JP
- Japan
- Prior art keywords
- crankshaft
- annular groove
- seal structure
- bearing
- gear
- 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
- 239000000463 material Substances 0.000 claims description 2
- 239000003566 sealing material Substances 0.000 claims description 2
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の自転車のハンガー部の構成を示す部分破
断平面図、第２図は第１図における右側軸受外輪部材の
部分破断拡大図、第３図は従来のシール構造を示す第２
図とは異る右側軸受外輪部材及びシール材を示す部分破
断拡大図、第４図はこの考案の１実施例の右側軸受外輪
部材及びシール材を示す部分破断拡大図である。
１・・・・・・ブラケット、２・・・・・・右側軸受外
輪部材、３・・・・・・左側軸受外輪部材、４・・・・
・・ベアリングボール、５・・・・・・ギヤークランク
軸（ハンガー軸）、２０・・・・・・右側軸受外輪部材
、２１・・・・・・環状溝、２３・・・・・・シール材
。Fig. 1 is a partially cutaway plan view showing the configuration of a hanger section of a conventional bicycle, Fig. 2 is a partially cutaway enlarged view of the right bearing outer ring member in Fig. 1, and Fig. 3 is a partially cutaway plan view showing the conventional seal structure.
FIG. 4 is a partially cutaway enlarged view showing a right bearing outer ring member and a sealing material that are different from those shown in the drawings. FIG. 1... Bracket, 2... Right side bearing outer ring member, 3... Left side bearing outer ring member, 4...
... Bearing ball, 5 ... Gear crankshaft (hanger shaft), 20 ... Right side bearing outer ring member, 21 ... Annular groove, 23 ... Seal Material.
Claims (1)
を有し内周面にベアリングホールの案内溝を有し外側端
部にギヤークランク軸の通る孔が穿設された端壁を有す
る自転車のギ・ヤークランク軸の軸受外輪部材に、上記
端壁の外側面に断面形状が奥部で拡大また環状溝を形成
し、ゴム様材料で環状に形成され内周を上記クランク軸
周面に密接しており上記環状溝に嵌入し内部で拡大した
断面形状の環状係合部を有するシール材を装着してなや
自転車のギヤークランク軸の軸受用ンール構構造。A bicycle gear that has a male thread on the outer periphery so that it can be screwed from the outside of the bracket, a bearing hole guide groove on the inner periphery, and an end wall with a hole for the gear crankshaft on the outer end. The outer ring member of the crankshaft bearing has an annular groove formed on the outer surface of the end wall, the cross-sectional shape of which expands at the deep end, and an annular groove made of a rubber-like material, the inner periphery of which is in close contact with the circumferential surface of the crankshaft. A ring structure for a bearing of a gear crankshaft of a bicycle is provided with a sealing material having an annular engagement part having an enlarged cross-sectional shape that fits into the annular groove and is enlarged inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6355984U JPS60174689U (en) | 1984-04-27 | 1984-04-27 | Bicycle gear crankshaft bearing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6355984U JPS60174689U (en) | 1984-04-27 | 1984-04-27 | Bicycle gear crankshaft bearing seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60174689U true JPS60174689U (en) | 1985-11-19 |
| JPH0315437Y2 JPH0315437Y2 (en) | 1991-04-04 |
Family
ID=30593817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6355984U Granted JPS60174689U (en) | 1984-04-27 | 1984-04-27 | Bicycle gear crankshaft bearing seal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60174689U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS426012Y1 (en) * | 1964-11-17 | 1967-03-24 | ||
| JPS472168U (en) * | 1971-01-27 | 1972-08-24 |
-
1984
- 1984-04-27 JP JP6355984U patent/JPS60174689U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS426012Y1 (en) * | 1964-11-17 | 1967-03-24 | ||
| JPS472168U (en) * | 1971-01-27 | 1972-08-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0315437Y2 (en) | 1991-04-04 |
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