Patent ID: 8578573
Filing Date: 2013-11-12
Classification: A44C,Y10T

Abstract:
1. A pin fastener comprising: a cylindrical body into which a pin is to be inserted; and a coil spring, wherein: the coil spring is provided on an outer periphery of the cylindrical body, a groove-shaped cut is provided in a front end portion of the cylindrical body which is a pin insertion side end portion, as well as a rear end side end portion of the coil spring being fixed in a rear end side portion of the cylindrical body, a fastening portion extended in such a way as to intersect radially with a circumferential line of the coil spring is formed at a front end portion of the coil spring, and the fastening portion is fitted into the cut of the cylindrical body, thereby forming a pin fastening narrowed portion between the fastening portion and a wall portion of the cylindrical body opposed thereto, and the pin fastener includes configurations of (1) or (2) described below: (1) as well as the cut of the cylindrical body being provided in an oblique direction from the rear end side portion toward the front end portion of the cylindrical body, the coil spring is provided in a condition in which it is axially compressed; and (2) the coil spring is provided in a condition in which it is in close contact with the outer periphery of the cylindrical body.