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. 23, 2014
Filed:
Mar. 10, 2009
Akiyuki Nishitani, Tokyo, JP;
Miki Shinagawa, Tokyo, JP;
Nobuyuki Suzumura, Tokyo, JP;
Kiyokazu Mikanagi, Tokyo, JP;
Wataru Ueda, Tokyo, JP;
Tomoo Mizuno, Tokyo, JP;
Akiyuki Nishitani, Tokyo, JP;
Miki Shinagawa, Tokyo, JP;
Nobuyuki Suzumura, Tokyo, JP;
Kiyokazu Mikanagi, Tokyo, JP;
Wataru Ueda, Tokyo, JP;
Tomoo Mizuno, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
A long shaft inner surface machining apparatus of the present invention includes: a long shaft support devicethat fixes a long shaftso as not to bend; a machining headcapable of being inserted into the prepared holeof the long shaftin the axial direction; a head support devicethat is coupled with the machining headfrom one end of the long shaftthrough the prepared holeand moves the machining headin the axial direction; and a blade drive devicethat is coupled with the machining head from the other end of the long shaftthrough the prepared holeand rotary-drives the bladearound a shaft axis.