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EXTENDABLE SPLINE SHAFT, VEHICLE STEERING PROVIDED WITH EXTENDABLE SPLINE SHAFT, AND METHOD FOR PRODUCING EXTENDABLE SPLINE SHAFT
EXTENDABLE SPLINE SHAFT, VEHICLE STEERING PROVIDED WITH EXTENDABLE SPLINE SHAFT, AND METHOD FOR PRODUCING EXTENDABLE SPLINE SHAFT
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机译：可延伸花键轴，具有可延伸花键轴的车辆转向以及用于产生可延伸花键轴的方法
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摘要
Disclosed is an intermediate shaft (5) as an extendable spline shaft provided with an inner shaft (35) and a cylindrical outer shaft (36), said inner shaft being fitted in said cylindrical outer shaft so as to move in the axial direction (X1); an outer spline (38) provided on the outer periphery of the inner shaft (35); an inner spline (39) provided on the inner periphery of the outer shaft (36); a resin film (40) provided on the outer spline (38); and lubricant retention grooves (41) which are formed in the resin film (40) using a laser beam, and extend in the direction (D1) intersecting with the axial direction (X1).
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