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:
Dec. 25, 2001
Filed:
Dec. 23, 1998
Applicant:
Inventor:
Katsuhiko Asai, Konan, JP;
Assignee:
Sanyo Machine Works, Ltd., Aichi-ken, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 3/30 ;
U.S. Cl.
CPC ...
E04C 3/30 ;
Abstract
An impact bar having a sectional shape including a cylindrical portion formed of a plate material has a flat rib portion formed by extending both ends of the plate material to an inner side of the cylindrical portion with the leading end of each end being close to or contacting the inner surface of the cylindrical portion. The resulting impact bar provides enhanced strength without an increase in weight.