JPH06117504A - Method for enlarging driving shaft force ratio to driven shaft by using telescopic transmission belt - Google Patents
Method for enlarging driving shaft force ratio to driven shaft by using telescopic transmission beltInfo
- Publication number
- JPH06117504A JPH06117504A JP30282592A JP30282592A JPH06117504A JP H06117504 A JPH06117504 A JP H06117504A JP 30282592 A JP30282592 A JP 30282592A JP 30282592 A JP30282592 A JP 30282592A JP H06117504 A JPH06117504 A JP H06117504A
- Authority
- JP
- Japan
- Prior art keywords
- driving shaft
- shaft
- transmission belt
- load
- bicycle
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 abstract 2
- 230000000452 restraining effect Effects 0.000 abstract 1
- 230000009194 climbing Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】動力伝動の分野[Industrial application] Power transmission field
【０００２】[0002]
【従来の技術】原動軸と受動軸の力比を運転中自動的に
増減する目的で、伸縮性伝動帯を使用した例なし。2. Description of the Related Art There is no example in which a stretchable transmission band is used for the purpose of automatically increasing or decreasing the force ratio between a driving shaft and a passive shaft during operation.
【０００３】[0003]
【発明が解決しようとする課題】荷重の大小に応じ自動
的に原動軸と受動軸の回転比を変え、原動軸の負荷する
力を抑制せんとする。SUMMARY OF THE INVENTION The rotation ratio of a driving shaft and a passive shaft is automatically changed according to the magnitude of a load to suppress the force applied to the driving shaft.
【０００４】[0004]
【課題を解決するための手段】伸縮性大なるゴム紐、又
はコイルバネ等を伝動帯として用い、受動軸の負荷を増
す時は伝動帯が伸張し原動軸の受動軸に対する回転比大
となり、受動軸の荷重小となれば伝動帯の長さが縮み原
動軸の回軸比小となる故に、受動軸の荷重の増加に伴い
自動的に原動軸の負荷は著しく抑制する事が出来本発明
の目的を達する。例えば自転車において、下り坂、平地
にては後輪（受動軸）の回転力小とするも、上り坂の場
合は之が大となる為ペタルを踏む力が大なる必要あり。
乍而、本発明を利用すれば上記の如く原動軸の負荷が著
しく抑制されるので登坂容易となる。以下、図面を伴い
詳述する。図１は、本発明の基本を示すもので受動軸部
番１は原動軸２と伝動帯３により矢印Ａ方向に回転伝動
するものとする。而して伝動帯３は２の荷重最大を想定
し３のＴ１が最大に伸張した場合Ｔ２が尚若干縮力を有
する程度に引張り装着するを要し、然らざればＴ１の伸
張力に対する対謝不充分にて２の動力損失大となる。図
２は、図１の方法を二重に組合せた容姿で、効果の増幅
を計る場合を示す。図３は、本発明を自転車に利用せん
とする基本で、受動輪１１は荷重の増加に伴い原動輪に
よりＴ１が伸張しその長さに相等するＴ２の収縮ありて
釣り合い、原動輪１２の偶力（トルク）を著しく縮小し
登坂等負荷増に対応する。[Means for Solving the Problems] A rubber band having large elasticity or a coil spring is used as a transmission band, and when the load of the passive shaft is increased, the transmission band expands to increase the rotation ratio of the driving shaft to the passive shaft, and When the load on the shaft is small, the length of the transmission band is reduced and the rotation ratio of the drive shaft is small, so that the load on the drive shaft can be remarkably suppressed automatically as the load on the passive shaft increases. Reach the goal. For example, in a bicycle, the rear wheel (passive shaft) has a small turning force on a downhill or a flat ground, but on the uphill, the pedaling force needs to be large because it is large.
If the present invention is utilized, the load on the driving shaft is remarkably suppressed as described above, which facilitates climbing uphill. Hereinafter, it will be described in detail with reference to the drawings. FIG. 1 shows the basics of the present invention. It is assumed that the passive shaft part number 1 is rotationally transmitted in the direction of arrow A by a driving shaft 2 and a transmission band 3. Thus to transmission belt 3 requires a T 1 of the assumed second load up 3 is mounted tension to a degree with the case T 2 which extends to the maximum noted slight contraction force, stretching of T 1 if Zare Chycara Insufficient apology for power results in a large power loss of 2. FIG. 2 shows a case in which the amplification of the effect is measured in the appearance in which the method of FIG. 1 is double combined. FIG. 3 is a basic example in which the present invention is applied to a bicycle, in which the passive wheel 11 is balanced by the increase of the load by T 1 being expanded by the driving wheel and contracting T 2 which is equal to the length of the driving wheel 12. The couple's torque (torque) is significantly reduced to cope with increased loads such as climbing.
【０００５】[0005]
【作用】伝動帯のＴ１部が伸びＴ２が縮し原動軸の偶力
を抑制出来るので、自転車に本発明を利用すれば登坂時
人力の大きさは著しく小にて足りる。Since the T 1 portion of the power transmission band is expanded and the T 2 is reduced, the couple of the driving shaft can be suppressed. Therefore, if the present invention is applied to a bicycle, the manpower required for climbing can be remarkably small.
【０００６】[0006]
【発明の効果】荷重の増減に応じ自動的に原動軸偶力を
抑制可能。[Effects of the Invention] The driving shaft couple can be automatically suppressed according to the increase or decrease of the load.
【図１】本発明の伝動帯の伸縮と基本を示す。FIG. 1 shows the expansion and contraction of the power transmission belt and the basics of the present invention.
【図２】本発明を組合せ効果を増幅する要図。FIG. 2 is a schematic diagram for amplifying the combined effect of the present invention.
【図３】本発明を自転車に利用する要図。FIG. 3 is a schematic diagram of applying the present invention to a bicycle.
Claims (1)
動的に伸縮し、原動軸と受動軸の力比を本文記述の方法
にて増減させる構造。1. A structure in which the power transmission band automatically expands and contracts according to the increase or decrease of the load during operation, and the force ratio between the driving shaft and the passive shaft is increased or decreased by the method described in the text.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30282592A JPH06117504A (en) | 1992-10-01 | 1992-10-01 | Method for enlarging driving shaft force ratio to driven shaft by using telescopic transmission belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30282592A JPH06117504A (en) | 1992-10-01 | 1992-10-01 | Method for enlarging driving shaft force ratio to driven shaft by using telescopic transmission belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06117504A true JPH06117504A (en) | 1994-04-26 |
Family
ID=17913549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30282592A Pending JPH06117504A (en) | 1992-10-01 | 1992-10-01 | Method for enlarging driving shaft force ratio to driven shaft by using telescopic transmission belt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06117504A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6508733B2 (en) * | 1998-09-25 | 2003-01-21 | John Philip Roger Hammerbeck | Variable speed drive |
-
1992
- 1992-10-01 JP JP30282592A patent/JPH06117504A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6508733B2 (en) * | 1998-09-25 | 2003-01-21 | John Philip Roger Hammerbeck | Variable speed drive |
| AU771826B2 (en) * | 1998-09-25 | 2004-04-01 | John Philip Roger Hammerbeck | A variable speed drive |
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