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:
May. 19, 2015
Filed:
Dec. 14, 2011
Shinya Miyauchi, Uozu, JP;
Yoshio Masuda, Uozu, JP;
Katsuyuki Kawasumi, Uozu, JP;
Sugino Machine Limited, Uozu-shi, Toyama, JP;
Abstract
A combined processing tool includes a shank of a cylindrical shape, a mandrel fixed to the shank, a frame rotation-universally fitted outside the mandrel, a burnishing unit for performing a burnishing to an inner peripheral surface of a workpiece by rolling members, a dimple forming unit for performing a dimple forming to the surface of the workpiece by surface compression members so as to universally appear from and disappear in the frame, a body fixed to a top portion of the shank, and a skiving unit for performing a cutting, wherein, on an outer peripheral region of the mandrel, an outer peripheral surfaceand a concave and convex shape area which consists of concave parts and convex parts alternately arranged along an outer peripheral direction of the mandrel are formed, and wherein the concave and convex parts are alternately engaged in the compression members with being rotated.