Patent ID: 6375206
Filing Date: 2002-04-23
Classification: B62D

Abstract:
A steering apparatus for a four-wheeled vehicle, comprising:a steering shaft adapted to be rotated by a handle; a reduction gear mechanism including: a pinion gear, a steering gear engaged with said pinion gear, a pinion shaft on which said pinion gear is mounted being operatively connected to said steering shaft, a lever shaft on which said steering gear is mounted, said pinion gear and said steering gear cut to a taper respectively; a steering lever connected to said lever shaft; right and left tic rods operatively connected to said steering lever; right and left knuckles operatively connected to said right and left tie rods respectively; and a spring that presses one of said gears in an axial direction so that a tapered tooth thickness in teeth of the pinion gear and a tapered tooth thickness in at least one tooth of the steering gear are press-engaged together as taper-off wedges.