Patent ID: 8262484
Filing Date: 2012-09-11
Classification: B62D,C10M,C10N,F16D

Abstract:
1. A telescopic shaft for vehicle steering which is installed in a vehicle steering shaft and in which a male shaft and a female shaft are non-rotatably and slidably fitted to each other and an outer peripheral portion of the male shaft and an inner peripheral portion of the female shaft come in contact with each other to transmit a torque during rotation, wherein a grease composition which has an apparent viscosity of 400 Pa·s to 750 Pa·s 25° C.) at a shear rate of 10 sec wherein the grease composition includes a base oil and a thickener, wherein the base oil is a synthetic hydrocarbon oil, wherein the thickener is at least one of a lithium-based soap and a lithium complex-based soap, and wherein the content of the thickener is in a range from 5 mass % to 35 mass % relative to a total amount of the grease.