JPS6440790U - - Google Patents
Info
- Publication number
- JPS6440790U JPS6440790U JP13588987U JP13588987U JPS6440790U JP S6440790 U JPS6440790 U JP S6440790U JP 13588987 U JP13588987 U JP 13588987U JP 13588987 U JP13588987 U JP 13588987U JP S6440790 U JPS6440790 U JP S6440790U
- Authority
- JP
- Japan
- Prior art keywords
- sprocket
- diameter sprocket
- teeth
- small
- diameter
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Gears, Cams (AREA)
Description
第１図は本考案の一実施例の側面図、第２図は
第１図の−線拡大断面図、第３図は本考案の
第二の実施例の側面図、第４図は第３図の−
線拡大断面図、第５図は本考案の第三の実施例の
平面図、第６図、第７図、第８図および第１０図
は従来例の作動説明図、第９図は第８図の方向
矢視図である。
ＣＷ……自転車用多段スプロケツト装置、ｓ１
……大径スプロケツト、ｓ２……小径スプロケツ
ト、Ｏ１……大径スプロケツトの歯間中心、Ｏ２
……小径スプロケツトの歯間中心。
Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is an enlarged sectional view taken along the - line in Fig. 1, Fig. 3 is a side view of a second embodiment of the invention, and Fig. 4 is a Figure -
5 is a plan view of the third embodiment of the present invention, FIGS. 6, 7, 8 and 10 are explanatory diagrams of the operation of the conventional example, and FIG. 9 is a plan view of the third embodiment of the present invention. It is a directional arrow view of a figure. CW...bicycle multi-stage sprocket device, s1
... Large diameter sprocket, s2 ... Small diameter sprocket, O 1 ... Center between teeth of large diameter sprocket, O 2
...The center between the teeth of a small diameter sprocket.
Claims (1)
も１枚の小径スプロケツトをもつ自転車用多段ス
プロケツト装置であつて、互いに隣接する大径ス
プロケツトと小径スプロケツトにおいて、大径ス
プロケツトの一つの歯間中心と、これから小径ス
プロケツトに下ろした接線上の小径スプロケツト
の上記歯間中心との距離がｎｐ＋α（ただし、ｐ
はチエンピツチ、ｎは整数、αはチエンのローラ
ピン間内法寸法より小さい寸法。）である場合の
上記大径スプロケツトの歯間中心の近傍の歯ない
しスプロケツト本体の厚さを通常の厚さより実質
的に小さくしたことを特徴とする、自転車用多段
スプロケツト装置。 A multi-stage sprocket device for a bicycle having at least one large-diameter sprocket and at least one small-diameter sprocket, wherein the large-diameter sprocket and the small-diameter sprocket are adjacent to each other; The distance between the small diameter sprocket and the center of the teeth on the tangent line lowered to np+α (however, p
is the chain pitch, n is an integer, and α is the dimension smaller than the internal dimension between the roller pins of the chain. ) A multi-stage sprocket device for a bicycle, characterized in that the thickness of the teeth or the sprocket body near the center between the teeth of the large diameter sprocket is substantially smaller than a normal thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13588987U JPS6440790U (en) | 1987-09-04 | 1987-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13588987U JPS6440790U (en) | 1987-09-04 | 1987-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6440790U true JPS6440790U (en) | 1989-03-10 |
Family
ID=31395891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13588987U Pending JPS6440790U (en) | 1987-09-04 | 1987-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990009308A1 (en) * | 1989-02-15 | 1990-08-23 | Maeda Industries, Ltd. | Multi-stage chain wheel for bicycle |
| JPH02293292A (en) * | 1989-05-01 | 1990-12-04 | Shimano Ind Co Ltd | Multistage gearing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563624U (en) * | 1979-06-19 | 1981-01-13 | ||
| JPS563230A (en) * | 1979-05-21 | 1981-01-14 | Schiepe Fa Heinz | Stage stacking method of and apparatus for barr or plateeshaped long material and goods |
| JPS5739270U (en) * | 1980-08-09 | 1982-03-02 | ||
| JPS6030856A (en) * | 1983-07-26 | 1985-02-16 | Shimano & Co Ltd | Multi-step chain gear |
-
1987
- 1987-09-04 JP JP13588987U patent/JPS6440790U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS563230A (en) * | 1979-05-21 | 1981-01-14 | Schiepe Fa Heinz | Stage stacking method of and apparatus for barr or plateeshaped long material and goods |
| JPS563624U (en) * | 1979-06-19 | 1981-01-13 | ||
| JPS5739270U (en) * | 1980-08-09 | 1982-03-02 | ||
| JPS6030856A (en) * | 1983-07-26 | 1985-02-16 | Shimano & Co Ltd | Multi-step chain gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990009308A1 (en) * | 1989-02-15 | 1990-08-23 | Maeda Industries, Ltd. | Multi-stage chain wheel for bicycle |
| US5133695A (en) * | 1989-02-15 | 1992-07-28 | Maeda Industries, Ltd. | Bicycle multiple chainwheel |
| JPH02293292A (en) * | 1989-05-01 | 1990-12-04 | Shimano Ind Co Ltd | Multistage gearing |
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