Two-and-four-wheel drive shifting system

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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74/92

F16H 37/06 (2006.01) B60K 17/35 (2006.01) F16H 48/30 (2006.01)

Patent

CA 1246895

ABSTRACT OF THE DISCLOSURE A two-and four-wheel drive shifting system, wherein there is provided, in combination, a pair of output shaft means extending opposedly from each other and mounted rotatably inde- pendently of each other about an axis, a differential gear means disposed intermediate said pair of output shaft means, an input gear means mounted rotatably on a gear casing means of said dif- ferential gear means, first claw means provided on a part of an outer surface of said differential gear casing mean, said first claw means being secured to said outer surface by firt securing means extending in the direction of said axis, second claw means provided on a part of an inner surface of said input gear means, said second claw means being secured to said inner surface by second securing means extending In the direction of said axis, said second claw means being spaced outwardly from said first claw means and being concentric therewith, and a sliding clutch means mounted slidably on one of said pair of output shaft means, said sliding clutch means having engagement claw means adapted to commonly engage with said first and second claw means provided on said differential gear casing means and on said Input gear means, said sliding clutch means and output shaft means having spline means located in the inner circumference of said sliding clutch means and located on a portion of the outer circumference of said output shaft means so that said sliding clutch means and said output shaft means may engage slidably with each other, and wherein there are provided three shifting stages which may be selected by the shifting motion of said slide clutch means, namely, an operating stage wherein said sliding clutch means is out of engagement with said first and second claw means of said differential gear casing means and said input gear means which is rotating freely, another operating stage wherein said sliding clutch means is selectively shifted into operative engagement with said first and second claw means of said differential gear casing means and said input gear means only, and a further oper- ating stage wherein said sliding clutch means is shifted into operative engagement with said first and second claw means of said differential gear casing means and said input gear means and also the spline means in said sliding clutch means is operatively connected with the spline means on said output shaft means by sliding said sliding clutch means further after said engagement claw means is engaged with said first and second claw means of said differential gear casing means and said input gear means, said first claw means and second claw means being made to have the length thereof in a direction along said axis larger than that in a radial direction.

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