Patent ID: 8056193

Claim:
A fastener for removably mounting a mounting object having an insertion rib into a mounting aperture formed on a panel, the fastener comprising a fastener body comprising a pair of legs extending in parallel, each leg having one fixed end and one free end, and a shoulder portion causing the legs to be elastically engaged with inner edges of the mounting aperture when the fastener is inserted into the mounting aperture of the panel; a gripper portion including a pair of gripper arms extending from an inner side of the fastener body, and interposing the insertion rib between a pair of opposite gripper surfaces of the pair of gripper arms when the fastener is fitted to the insertion rib; and an engagement projection formed on any one of the pair of gripper surfaces and extending from one of the pair of gripper surfaces toward the other one of the pair of gripper surfaces to a height exceeding half of the distance between the pair of gripper surfaces so as to engage with an engagement slot formed on the insertion rib, the other gripper arm opposite to the engagement projection including a recess and a bulge formed continuously in a direction extending from the recess, the recess and the bulge formed from the other one of the pair of gripper surfaces, and thereby the entire other gripper arm having an S shape, the recess being aligned with the engagement projection.