Zipper head

Abstract

A zipper head includes a puller, a hook, a pulling piece, an elastic piece and a cap. The puller forms guiding grooves therein, and a top of the puller has a through hole communicating with the guiding grooves. The hook is disposed on the top of the puller, and the hook has a hook portion extending into the through hole of the puller. The pulling piece has a positioning portion at its end, and the positioning portion is disposed under the hook. The cap covers the top of the hook. The elastic piece has a fixing end fixed in the cap, and the elastic piece abuts upon the hook. Therefore, the zipper head is beneficial for the productions and replacements of the pulling pieces that are manufactured in small quantity, and the zipper head can be assembled by mechanical or manual methods.

1 . A zipper head, comprising:
 a puller forming guiding grooves therein, a top of the puller having a through hole, the through hole communicating with the guiding grooves;   a hook being disposed on the top of the puller, the hook having a hook portion extending into the through hole of the puller;   a pulling piece having a positioning portion at one end thereof, the positioning portion being disposed under the hook;   a cap covering the top of the hook; and   an elastic piece having a fixing end fixed in the cap, the elastic piece abutting upon the hook.   
   
   
       2 . The zipper head according to  claim 1 , wherein a fixing base being protruded from an interior surface of the cap, the fixing end of the elastic piece being fixed on the fixing base. 
   
   
       3 . The zipper head according to  claim 2 , wherein the fixing end of the elastic piece being riveted and fixed on the fixing base of the cap. 
   
   
       4 . The zipper head according to  claim 1 , wherein both sides of the through hole each having a blocking portion protruded from the puller and blocking both sides of the hook. 
   
   
       5 . The zipper head according to  claim 1 , wherein the hook further having a main portion and a fulcrum portion, one end of the main portion being bent and extending downwards to form the hook portion; another end of the main portion being bent and extending downwards to form the fulcrum portion. 
   
   
       6 . The zipper head according to  claim 5 , wherein the top of the puller having a positioning hole and the fulcrum portion of the hook extending into the positioning hole. 
   
   
       7 . The zipper head according to  claim 5 , wherein the elastic piece abutting upon the main portion of the hook. 
   
   
       8 . The zipper head according to  claim 5 , wherein two protrusions being protruded from the interior surface of the cap, and ends of the two protrusions each having an abutting surface located above the fulcrum portion of the hook. 
   
   
       9 . The zipper head according to  claim 1 , wherein both sides of the cap each having a notch, and the positioning portion of the pulling piece penetrating the two notches.