Patent ID: 6484600
Filing Date: 2002-11-26
Classification: F16H,Y10T

Abstract:
A vehicle transfer case comprising:a shift collar movable with a shift rod between three positions, with said shift collar selectively engaging a low speed gear and a high speed gear in two positions and being in a neutral position in a third position; a housing for housing said shift rod, and said high speed and low speed gear, said housing comprising two housing halves; and a fluid shift mechanism for driving said shift rod between three positions corresponding to said low speed, said high speed and said neutral position, said shift rod being driven by pistons at a first end of said shift rod, and moving with said shift rod within fluid chambers, and there being pressurized fluid supplies for selectively directing pressurized fluid to said chambers, and at least a portion of said chambers being formed by an open bore within a first of said housing halves.