The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2003
Filed:
Nov. 13, 2001
Sun-Hyung Lee, Daejeon, KR;
Byoung-Whoo Min, Daejeon, KR;
Dong-A Teaching Materials Co., Ltd., Daejong, KR;
Abstract
A core guide assembly for a stationery article includes a screw member with a predetermined length while externally bearing a male screw. A support member is connected to the one-sided end of the screw member while centrally bearing a support bar protruded opposite to the screw member. The support bar has a support protrusion with one or more portions bearing a large volume in the radial direction. The support protrusion is formed at the end portion of the support bar by one or two steps while bearing a shape of a cone or a disk, or arranged at the support bar by two or more steps in a zigzag while bearing a shape of a semi-cone or a semi-disk.