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:
Jul. 10, 2001
Filed:
May. 16, 2000
Tadashi Iura, Matsuyama-shi, Ehime, 791-8056, JP;
Other;
Abstract
An apparatus of diametrically expanding a desired portion of a metal shaft, including a driver section (,) which is rotatively driven by an electric motor with a workpiece held in a first sleeve thereof, a driven section (,) having a second sleeve located opposite to the first sleeve of the driver section (,), the driven section (,) being capable of relative movement to and from the driver section (,); a feeder unit (,) for effecting the relative movement of the driven section (,) to and from the driver section (,); a bias means (,) for causing the second sleeve to decline with respect to the axis of the first sleeve of the driver section (,); and a press unit (,) for pressing the driven section (,) toward the driver section (,).