Patent ID: 6223619
Filing Date: 2001-05-01
Classification: B29C,B62D,F16D

Abstract:
A steering shaft, comprising:an outer shaft having an inner splined portion;an inner shaft having a longitudinally extending shaft portion and an outer splined portion having a diameter larger than said shaft portion;a retaining portion formed with a series of teeth on at least one of said outer splined portion and said shaft portion, said teeth having a lower tooth height than the outer splined portion;a sliding coupling section formed by a coupling portion of said outer shaft and a coupling portion of said inner shaft so as to allow said outer shaft and said inner shaft to be telescopically slidable in the axial direction through said outer splined portion relative to each other by means of splines; anda sliding resin member which is filled in a space formed in said sliding coupling section between an opening portion of said outer shaft and said retaining portion of said inner shaft;said sliding resin member being fixed in the longitudinal direction and the circumferential direction of said outer shaft;said inner shaft being longitudinally supported at the said opening portion; andsaid outer shaft being fixed in the circumferential direction by said retaining portion of said inner shaft.