×

Continuously variable transmission

  • US 9,709,138 B2
  • Filed: 05/16/2016
  • Issued: 07/18/2017
  • Est. Priority Date: 11/22/2005
  • Status: Active Grant
First Claim
Patent Images

1. A continuously variable transmission for integrating within a frame of a bicycle, comprising:

  • a planetary gear set comprisinga planet carrier coupled to a set of planet gears, the planet carrier configured to receive a torque input from a set of cranks,a fixed ring gear, anda sun gear, wherein rotation of the planet gears drives the sun gear; and

    a variator, comprisingan input ring coupled to the sun gear via an axial force generation mechanism comprising a cam loader having a set of bearings in contact with a set of ramps,a plurality of tiltable traction planets arranged about a crankshaft of the bicycle, each tiltable traction planet in contact with the input ring,an output ring, operationally coupled to the plurality of traction planets, each tiltable traction planet in contact with the output ring,a cage, andan idler in contact with the plurality of tiltable traction planets.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×