JPS643359A - Continuously variable automatic transmission - Google Patents
Continuously variable automatic transmissionInfo
- Publication number
- JPS643359A JPS643359A JP15558387A JP15558387A JPS643359A JP S643359 A JPS643359 A JP S643359A JP 15558387 A JP15558387 A JP 15558387A JP 15558387 A JP15558387 A JP 15558387A JP S643359 A JPS643359 A JP S643359A
- Authority
- JP
- Japan
- Prior art keywords
- driving
- sprocket
- tensile force
- springs
- shaft
- 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
Landscapes
- Transmissions By Endless Flexible Members (AREA)
Abstract
PURPOSE:To make the captioned device a simple structure by linking the shaft body of a rotation driving means to the driving wheel body of a driving force transmitting means using a body via an elastic means. CONSTITUTION:When a driving sprocket 4 is energized counterclockwise via a driving shaft 1, a load, i.e., the road surface resistance of a rear wheel acts on the driving wheel 4 as a tensile force T in a tangential direction via driven sprocket 6 and a chain 5. Accordingly, since the driving sprocket 4 is pulled by the tensile force T while being energized counterclockwise by the driving shaft 1, due to the composition of both, the driving sprocket 4 is relatively moved to the driven sprocket 6 side with respect to the driving shaft 1, expanding/contracting the lengths of coil springs 3. In the figure, a spring 3a is contracted, springs 3b, 3e are almost neither expanded nor contracted, and springs 3c, 3d are expanded. Hence, the radius of gyration (effective diameter) on the driving side of the driving sprocket 4 is reduced by a displaced quantity E to r1a with respect to that r1 at an undriven time with its rate being proportionate to the tensile force T. Accordingly, the ratio of effective diameters of both sprockets 4, 6 (change gear ratio) becomes large.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15558387A JPS643359A (en) | 1987-06-24 | 1987-06-24 | Continuously variable automatic transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15558387A JPS643359A (en) | 1987-06-24 | 1987-06-24 | Continuously variable automatic transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS643359A true JPS643359A (en) | 1989-01-09 |
Family
ID=15609216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15558387A Pending JPS643359A (en) | 1987-06-24 | 1987-06-24 | Continuously variable automatic transmission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS643359A (en) |
-
1987
- 1987-06-24 JP JP15558387A patent/JPS643359A/en active Pending
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