Patent ID: 8402859
Filing Date: 2013-03-26
Classification: F16H,Y10T

Abstract:
1. A barrel cam shift mechanism for a transmission comprising, in combination, at least one shift fork body disposed for bi-directional translation and having a cam follower, said cam follower having a spring biased member, a barrel cam having at least one cam track for receiving said spring biased member of said cam follower, said cam track having at least one means for directing said cam follower along one portion of said cam track in response to rotation of said barrel cam in one direction and directing said cam follower along another portion of said cam track axially offset from and circumferentially adjacent to said one portion of said cam track in response to rotation of said barrel cam in an opposite direction, and drive means for bi-directionally rotating said barrel cam whereby disposition of said cam follower in said one portion of said track engages a gear distinct from a gear engaged when said cam follower is disposed in said another circumferentially adjacent portion of said cam track.