Patent ID: 8169747

Claim:
A ramp for a magnetic disc apparatus, in which the ramp is made of a 2-color mold resin including a resin material for forming a ramp main body and a material having higher rigidity than said resin material, one side surface of said ramp is provided with a concave disc insertion portion for rotatably inserting a magnetic disc, and disc facing surfaces in inner surfaces of said disc insertion portion are provided with disc contact portions made of said high rigidity material, wherein a bottom surfaces portion of a concave portion in the inner surface of said disc insertion portion is constructed by a combination of a bottom surface portion made of said resin material and a bottom surface portion made of said high rigidity material, and a step structure is provided by arranging the bottom surface portion made of said high rigidity material at a position moved rearward in a depth direction of the concave portion in comparison with the bottom surface portion made of said resin material, for reducing rigidity of said ramp.