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. 03, 1977
Filed:
Nov. 28, 1975
Applicant:
Inventors:
Mokuji Koizumi, Hiroshima, JA;
Yukitsugu Kobayashi, Hiroshima, JA;
Assignee:
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ; B21D / ;
U.S. Cl.
CPC ...
72108 ; 72125 ; 72250 ;
Abstract
A cross-rolling machine including a device for holding a workpiece between the rolls during a forming operation, the device comprising a pair of guide boards each mounted on a frame assembly including a guide bar, so as to be arranged one on each side of the workpiece when the machine is in use, each guide board being movable from the machine frame integrally with its frame assembly by sliding movement of the guide bar along a guide track on the machine frame.