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. 27, 1988
Filed:
Jun. 10, 1987
Norio Kojima, Tokyo, JP;
G-C Dental Industrial Corp., Tokyo, JP;
Abstract
A portable polishing unit for dental instruments is characterized by comprising a base member; a motor mounted thereon and driven by a dry cell; a rotary grindstone assembly fixed to the motor through a grindstone rod of a round shape and including a grindstone disc positioned in opposition to the motor, having a diameter larger than that of the grindstone rod and planar on its end face; a supporting member mounted on the base member at a position adjacent to the side of the grindstone disc which does not face the motor, and having a plane face extending in parallel with the upper face of the base member and having a length larger than the diameter of the grindstone disc; and a supporting plate mounted on the base member in the vicinity of the side edge of the supporting member, the supporting plate including a groove for supporting the root of working means extending from a grip of a dental instrument.