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. 29, 2001
Filed:
Feb. 09, 2000
Applicant:
Inventor:
Michiaki Fujiwara, Kameoka, JP;
Assignee:
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01H 5/56 ;
U.S. Cl.
CPC ...
D01H 5/56 ;
Abstract
The shaft,of a top roller T of a drafting device D is segmented into sections. The bearing holding section,includes a large diameter section at the base end and small diameter section,′ on the far end. A first bearing,is fitted over the large diameter section, and a second bearing,having a total diameter equivalent to the first bearing,is fitted over the small diameter section