Tape dispenser

Abstract

The present invention is a tape dispenser which comprises a base with chamber formed in it which comprises guide grooves formed on each respective side walls of the chamber, a blade seat with blade formed on one end of the base, a central shaft having end portions to be fitted into the guide groove also with limit members formed on the end portions, and at least two tape wheels each having a sleeve to be engaged with central shaft and a positioning structure formed thereon. Tape wheels can be sleeved on the central shaft smoothly and replaced easily without any problem. Users can use a single piece of a tape dispenser for tapes in various different dimension.

What is claimed is: 
     
         1 . A tape dispenser comprising
 a base with a chamber formed therein having respective guide groove formed on each respective side wall of said chamber;   a blade seat with blade formed on one end of the base;   a central shaft having end portions to be fitted into said guide groove and limit members formed on said end portions; and   at least two tape wheels each having a sleeve to be engaged with said central shaft and a positioning structure formed on the outer peripheral thereof.   
     
     
         2 . A tape dispenser according to  claim 1  wherein said central shaft further comprising a ring portion formed thereon so that the tape wheel is positioned between said ring portion and said limit member. 
     
     
         3 . A tape dispenser according to  claim 1  wherein each of said limit members of said central shaft comprising a pair of limit protrusions having a notch formed between them. 
     
     
         4 . A tape dispenser according to  claim 1  wherein said positioning structure comprising a plurality of first ribs and second ribs, each of said first rib protruding from the peripheral of said tape wheel, each of said second rib integrally formed with respective first rib to extend radially with respect to the sleeve of said tape wheel, a press plate formed on each of said second rib with a plurality of press strips formed thereon. 
     
     
         5 . A tape dispenser according to  claim 1  wherein said guide groove having an opening bent toward the direction away from said blade seat. 
     
     
         6 . A tape dispenser according to  claim 1  wherein said central shaft and said tape wheel being made of plastic materials. 
     
     
         7 . A tape dispenser according to  claim 3  wherein said limit protrusion of said limit member being formed with a guide slope thereof.