| http://www.w3.org/ns/prov#value | - The plurality of said elasticity imparting grooves cut alternately in an axial direction from the one end and other end of said structural body, as in the one way clutch according to the present invention enhances the elasticity of the retainer to prevent damage such as cracking of the retainer, thus permitting the smooth operation of the one way clutch for a long time.
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