Patent ID: 8636454
Filing Date: 2014-01-28
Classification: F16B,Y10T

Abstract:
1. A fastener comprising: a pin including a head portion and a shaft portion extended from the head portion; and a metal plate spring member which receives the pin and adapted to be disposed in a mounting hole, the plate spring member including: wherein engagement shoulder portions are formed at axially intermediate positions of the pair of elastic engagement pieces so as to engage with a circumferential edge of a back side of the mounting hole when the pair of elastic engagement pieces are disengaged and expanded through the elastic restoring force and to pass through the mounting hole when the pair of elastic engagement pieces are contracted, and wherein the shaft portion is adapted to disengage the pair of elastic engagement pieces when inserted between the pair of elastic engagement pieces in the closed state and restrict the pair of elastic engagement pieces from contracting inwards by being disposed between the pair of engagement pieces in an opened state.