JPS61157084U - - Google Patents
Info
- Publication number
- JPS61157084U JPS61157084U JP4170285U JP4170285U JPS61157084U JP S61157084 U JPS61157084 U JP S61157084U JP 4170285 U JP4170285 U JP 4170285U JP 4170285 U JP4170285 U JP 4170285U JP S61157084 U JPS61157084 U JP S61157084U
- Authority
- JP
- Japan
- Prior art keywords
- crank arm
- space
- mounting part
- fixed
- honeycomb core
- 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
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Description
第１図は本考案実施例の断面図、第２図は正面
図、第３図は第２実施例の要部の断面図、第４図
、第５図は従来例の説明図であり、図中、
１…クランクアーム、２…ペダル、３…クラン
ク軸、４…空所、４０…凹陥部、４１…長孔、５
…ハニカムコア、６…炭素繊維板。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a front view, FIG. 3 is a sectional view of main parts of the second embodiment, and FIGS. 4 and 5 are explanatory diagrams of a conventional example. In the figure, 1... crank arm, 2... pedal, 3... crankshaft, 4... void, 40... recessed part, 41... long hole, 5
...honeycomb core, 6...carbon fiber board.
Claims (1)
ダル取付部１２との間に側方にのみ開放する空所
４を形成して、この空所内にハニカムコア５を埋
設・固定するとともにこのハニカムコアの表面を
被覆する表面板をクランクアーム１の側方表面か
らクランクコア表面に渡つて添設固着した自転車
用クランクアーム。 A space 4 that opens only to the side is formed between the crankshaft mounting part 11 and the pedal mounting part 12 of the crank arm 1, and a honeycomb core 5 is buried and fixed in this space, and the surface of this honeycomb core is This bicycle crank arm has a surface plate covering the crank arm 1 attached and fixed from the side surface of the crank arm 1 to the crank core surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170285U JPS61157084U (en) | 1985-03-23 | 1985-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4170285U JPS61157084U (en) | 1985-03-23 | 1985-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61157084U true JPS61157084U (en) | 1986-09-29 |
Family
ID=30551777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4170285U Pending JPS61157084U (en) | 1985-03-23 | 1985-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61157084U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS529140U (en) * | 1975-07-08 | 1977-01-22 | ||
| JPS6042174A (en) * | 1983-08-18 | 1985-03-06 | 本田技研工業株式会社 | Frame structure for saddling type car |
-
1985
- 1985-03-23 JP JP4170285U patent/JPS61157084U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS529140U (en) * | 1975-07-08 | 1977-01-22 | ||
| JPS6042174A (en) * | 1983-08-18 | 1985-03-06 | 本田技研工業株式会社 | Frame structure for saddling type car |