Continuously variable transmission
First Claim
1. A mechanism for facilitating the adjustment of a speed ratio of a continuously variable transmission (CVT), the mechanism comprising:
- a generally cylindrical support member having a central bore, the central bore defining a central axis of the mechanism;
a first platform having first and second sides, wherein the first platform is mounted coaxially with the central axis;
wherein the first side of the first platform comprises a first convex surface; and
wherein the second side of the first platform is placed axially adjacent to the support member.
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Accused Products
Abstract
A continuously variable transmission is disclosed for use in rotationally or linearly powered machines and vehicles. The single axle transmission provides a simple manual shifting method for the user. An additional embodiment is disclosed which shifts automatically dependent upon the rotational speed of the wheel. Further, the practical commercialization of traction roller transmissions requires improvements in the reliability, ease of shifting, function and simplicity of the transmission. The disclosed transmission may be used in vehicles such as automobiles, motorcycles, and bicycles. The transmission may, for example, be driven by a power transfer mechanism such as a sprocket, gear, pulley or lever, optionally driving a one way clutch attached at one end of the main shaft.
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Citations
20 Claims
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1. A mechanism for facilitating the adjustment of a speed ratio of a continuously variable transmission (CVT), the mechanism comprising:
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a generally cylindrical support member having a central bore, the central bore defining a central axis of the mechanism; a first platform having first and second sides, wherein the first platform is mounted coaxially with the central axis; wherein the first side of the first platform comprises a first convex surface; and wherein the second side of the first platform is placed axially adjacent to the support member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A mechanism for facilitating the adjustment of a speed ratio of a continuously variable transmission (CVT), the mechanism comprising:
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a generally cylindrical sleeve having a central passage defining a central axis of the mechanism, the sleeve having first and second ends; a first platform, coupled to the sleeve at the first end of the sleeve, wherein the first platform comprises a first convex surface; and a second platform, coupled to the second end of the sleeve, wherein the second platform comprises a second convex surface. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification