Patent ID: 8708360

Claim:
A shifter for facilitating the adjustment of a transmission ratio of a continuously variable transmission (CVT) having a plurality of shift pins, the shifter comprising: a shift screw having a first set of threads and a surface for engaging a shifter actuator; a shift pin hub having a second set of threads and a plurality of fingers, the fingers configured to engage the plurality of shift pins, wherein the first and second set of threads are configured such that a rotation of the shift screw causes an axial translation of the shift pin hub; and a pivot arm assembly coupled to the shift pin hub, wherein the pivot arm assembly comprises a substantially u-shaped body having one or more pivot arms, wherein distal ends of the pivot arms are configured to receive ends of a traction planet axle, a slot configured to receive at least one of the plurality of fingers of the shift pin hub to form a slotted joint, and a through hole in the u-shaped body receiving one of the plurality of shift pins.