Patent ID: 7257869

Claim:
A zipper head assembly structure, comprising: a fastening slider provided with a first fixing base and a second fixing base respectively disposed at opposing ends of a top thereof, the first fixing base being provided with a hole; a pulling piece having a hole formed therein and an end portion at one end thereof, the end portion being positioned between the first fixing base and the second fixing base; a hook having a head portion at one end thereof positioned on the second fixing base, the hook being provided at the other end with a tail portion abutting against the first fixing base, an abdominal portion provided between the head portion and the tail portion and supported on the end portion of the pulling piece, and a stop portion extending from the tail portion and into the fastening slider via the hole of the fastening slider; an elastic piece having one end fixedly connected with the first fixing base of the fastening slider, the first fixing base having an elastic-piece fixing portion located on two sides of the one end of the elastic piece and being bent to fix the one end of the elastic piece to the first fixing base, the elastic piece abutting against the top of the hook; and a cap overlaying the first fixing base and the second fixing base of the fastening slider, the cap having a protrusion extending from an inner side thereof contacting the elastic piece adjacent the second fixing base.