Patent ID: 7624781
Filing Date: 2009-12-01
Classification: B26B,B65H,Y10T

Abstract:
1. A tape dispenser with a grip having a safety telescopic knife comprising: a tape base; a grip consisting of a right semi-shell and a left semi-shell combined with said right semi-shell tightly together, said right semi-shell provided with a rectangular pushing recess concaved longitudinally at a preset location of its outer side and a spring base set at a proper position located in the center of its right side, said pushing recess having a pushing hole opened longitudinally, said spring base provided with a restricting bar protruding up on its top and a guiding groove concaved in its bottom portion, said right semi-shell additionally provided with an opening bored at the bottom of its exterior side; a telescopic knife set installed inside said right semi-shell and consisting of a knife base, a cutting blade and a connecting board, said knife base provided with a pushing block projecting on the top of its outer side for sliding in said pushing hole to move up and down longitudinally and two projections set at its lower portion and spaced apart properly for fitting said cutting blade, said cutting blade able to pass through said opening of said right semi-shell, said knife base also provided with a projecting longitudinal rib located on its inner side and a ditch dug horizontally in the upper portion of said projecting longitudinal rib, said connecting board covered on the inner side of said knife base and provided with a restricting slot set in the bottom portion of its outer side for locking with said projecting longitudinal rib of said knife base to keep said knife base restricted immovably; a pushing knob fitted in said pushing recess of said right semi-shell and provided with a locking element to pass through said pushing hole of said pushing recess to screw together with said pushing block of said knife base; and a torsion spring pivotally fixed with said restricting bar of said spring base, one end of said torsion spring fitted in said ditch of said knife base and the other end restricted in said guiding groove of said spring base, forcing said knife base to slide automatically back into said handle.