Patent ID: 9453570
Filing Date: 2016-09-27
CPC Classification: F16H

Claim Text:
1. A differential lock mechanism comprising: a shift member mounted for movement with a rod; a shift collar moveable by said shift member between an engaged position with a differential assembly and a disengaged position; a pneumatic control providing a first pneumatic signal to move said shift collar into said engaged position and providing a second pneumatic signal to return said shift collar to said disengaged position in cooperation with a resilient member, wherein said rod is moveable in response to said first and said second pneumatic signals, wherein said rod comprises a cylindrical body extending between first and second rod ends, wherein said rod includes an enlarged flange portion formed about said cylindrical body, wherein said first pneumatic signal is exerted against said enlarged flange portion to move said shift collar into said engaged position, wherein said cylindrical body includes an internal bore extending from said first rod end to said second rod end, and wherein said second pneumatic signal is communicated through said internal bore to return said shift collar to said disengaged position.