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:
Nov. 25, 2003
Filed:
Sep. 05, 2001
Michifumi Takeichi, Yamaguchi, JP;
Kazuhiro Makino, Yamaguchi, JP;
Kentaro Masai, Yamaguchi, JP;
Masaaki Shigeyama, Yamaguchi, JP;
Daisuke Muto, Ibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The floor of a passenger cabin in a railway car is mounted on a base plate of an underframe via plural common joists The vibration of the truck is transmitted via a center pin a bolster center sills, a base plate and common joists to the floor thereby vibrating the floor. Out of the common joists and the common joists that are positioned near the width-direction-center of the car body do not extend beyond the center sill toward the longitudinal end of the car body. This arrangement reduces the vibration of the floor positioned at the longitudinal end portion of the car body.