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:
Jun. 13, 1978
Filed:
Jul. 25, 1977
Hiroji Okuda, Nara, JA;
Hiroyoshi Narikiyo, Yaoshi, JA;
Koyo Seiko Company Limited, Osaka, JA;
Abstract
A drive mechanism which itself has the function of mounting a driven coupling on and dismounting it from a roll neck. The drive mechanism comprises a drive shaft section comprising inner and outer shafts coupled together in such a manner as to be only axially slidable, an extensible operating mechanism disposed between the inner and outer shafts for extending and collapsing the drive shaft section to mount the coupling on and dismount it from the neck of a working roll, a spring disposed between the inner and outer shafts and acting in a direction in which it reduces the length of the drive shaft section, and fixing device for fixing the drive shaft section to a drive universal joint when the drive shaft section is reduced in length.