JPS61150691U - - Google Patents
Info
- Publication number
- JPS61150691U JPS61150691U JP3658185U JP3658185U JPS61150691U JP S61150691 U JPS61150691 U JP S61150691U JP 3658185 U JP3658185 U JP 3658185U JP 3658185 U JP3658185 U JP 3658185U JP S61150691 U JPS61150691 U JP S61150691U
- Authority
- JP
- Japan
- Prior art keywords
- arm body
- piece
- mounting holes
- pipe material
- longitudinal end
- 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
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Steering Devices For Bicycles And Motorcycles (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Description
第１図は本考案クランクアームの一実施例を示
す断面図、第２図は正面図、第３図は第１図―
線断面図、第４図は第１図―線断面図、第
５図は第１図―線断面図、第６図は使用状態
の一例を示す説明図である。
１……アーム本体、１１，１２……取付孔、１
３，１４……傾斜部、２……ペダルピース、３…
…ヘツドピース。
Fig. 1 is a sectional view showing one embodiment of the crank arm of the present invention, Fig. 2 is a front view, and Fig. 3 is the same as Fig. 1.
FIG. 4 is a cross-sectional view along the line taken from FIG. 1, FIG. 5 is a cross-sectional view taken along the line taken from FIG. 1, and FIG. 6 is an explanatory diagram showing an example of the state of use. 1...Arm body, 11, 12...Mounting hole, 1
3, 14... Inclined part, 2... Pedal piece, 3...
…Headpiece.
Claims (1)
本体１の長さ方向一端に結合するペダルピース２
と、前記アーム本体１の長さ方向他端に結合する
ヘツドピース３とから成り、前記アーム本体１に
おける各ピース２，３の結合部位に、前記各ピー
ス２，３の取付孔１１，１２を形成すると共に、
前記アーム本体１における前記各取付孔１１，１
２の形成部位を含む長さ方向両端部に、前記パイ
プ素材を徐々に扁平状とし、かつ先端において閉
鎖する傾斜部１３，１４を設けたことを特徴とす
る自転車用クランクアーム。 An arm body 1 made of a pipe material, and a pedal piece 2 connected to one longitudinal end of the arm body 1.
and a head piece 3 that is coupled to the other end in the length direction of the arm body 1, and mounting holes 11 and 12 for each of the pieces 2 and 3 are formed at the coupling portion of each piece 2 and 3 in the arm body 1. At the same time,
Each of the mounting holes 11, 1 in the arm body 1
A crank arm for a bicycle, characterized in that the pipe material is gradually flattened at both longitudinal end portions including the forming portion 2, and slope portions 13 and 14 are provided which are closed at the tips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3658185U JPS61150691U (en) | 1985-03-13 | 1985-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3658185U JPS61150691U (en) | 1985-03-13 | 1985-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61150691U true JPS61150691U (en) | 1986-09-17 |
Family
ID=30541898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3658185U Pending JPS61150691U (en) | 1985-03-13 | 1985-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61150691U (en) |
-
1985
- 1985-03-13 JP JP3658185U patent/JPS61150691U/ja active Pending