Patent ID: 7347396

Claim:
An adhesive-tape roll base for an adhesive-tape holder comprising a base, said base assembled thereon with an adhesive-tape holder, said adhesive-tape holder having the upper side of its front wall plate disposed with an adhesive-tape saw blade, said adhesive-tape holder having its upper portion bored with an adhesive-tape accommodating cavity at a preset location, an adhesive-tape roll base installed at a preset location of said adhesive-tape holder at the upper side of said adhesive-tape accommodating cavity: and, Characterized by said adhesive-tape roll base bored with a shaft hole at one upper side wall of said adhesive-tape accommodating cavity, said shaft hole being larger than a semicircle and having an open topside, said shaft hole fixed with a position-limiting block at a preset location of its bottom, said adhesive-tape accommodating cavity of said adhesive-tape holder having the other upper side wall bored with a shaft groove with an arc-shaped bottom and an open topside, said adhesive-tape roll base provided with a positioning shaft, said positioning shaft having one circumferential side bored with an axial through guiding groove, said positioning shaft further bored with an axial position-limiting groove at one side of the open end of said guiding groove for matching with said position-limiting block of said shaft hole, said position-limiting groove having one end opened and corresponding to said shaft hole and the other end being closed, said position-limiting groove of said positioning shaft exactly able to restrictedly secure said position-limiting block therein, said positioning shaft able to be inserted through said shaft hole and fixed on said adhesive-tape holder with said guiding groove moved forward along said position-limiting block, said positioning shaft having one end secured in said shaft groove and the other end fitted in said shaft hole, said position-limiting groove able to be engaged with said position-limiting block for firmly securing said positioning shaft on said adhesive-tape holder by turning said positioning shaft clockwise.