Patent ID: 8662807

Claim:
A fastener, comprising: a female member including: an annular flange part; an inclined cam formed inside an annular recessed part arranged on a surface of said flange part, and angled along a circumferential direction; a plurality of engaging leg bodies hanging down from said flange part and forming a hollow part; and claw parts, each being disposed on a leading end part of each of said engaging leg bodies; and a male member including: a shaft part shaped as a rod for inserting from said flange part into said hollow part; a head part disposed on one end part of said shaft part and shaped larger than the shaft part, said head part being configured to be accommodated inside said recessed part; a projecting part projecting from a bottom face of said head part and contacting said inclined cam, said projecting part being configured to guide said head part into said recessed part while rotating said shaft part; a plurality of engaging holes arranged on another end part of said shaft part in a circumferential direction of the shaft part, said engaging holes being configured to engage with said claw parts in a state in which said head part is not accommodated in said recessed part; a mounting part positioned on an extension of an outer surface of a partitioning wall arranged between said engaging holes, said mounting part being configured to contact with said claw parts released from said engaging holes and expand the engaging leg body outward when said head part is accommodated in said recessed part; and an engaging slot arranged along an axial direction of said shaft part on an outer surface of at least one of said partitioning walls, the engaging slot being configured to engage with one of said claw parts to restrict the rotation of said shaft part.