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Torsion Beam

Abstract: A torsion beam (10) comprises a central section (11) and end sections (12) connecting to the central section (11) on both sides thereof. The torsion beam (10) has a tubular shape and extends in the longitudinal direction. The ratio S1/(L1×t1) is at least 1.4 but less than 10. S1 is the cross-sectional area of a transverse section of the central section (11) of the torsion beam (10) at the center in the longitudinal direction, the cross-sectional area including the internal space; L1 is the outer circumferential length of the transverse section; and t1 is the average wall thickness of the central section (11) of the torsion beam (10) at the center in the longitudinal direction.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
25 September 2024
Publication Number
04/2025
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. IGUCHI Keinosuke
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
2. SATO Masahiko
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

# Name Date
1 202417072405-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [25-09-2024(online)].pdf 2024-09-25
2 202417072405-STATEMENT OF UNDERTAKING (FORM 3) [25-09-2024(online)].pdf 2024-09-25
3 202417072405-REQUEST FOR EXAMINATION (FORM-18) [25-09-2024(online)].pdf 2024-09-25
4 202417072405-PROOF OF RIGHT [25-09-2024(online)].pdf 2024-09-25
5 202417072405-POWER OF AUTHORITY [25-09-2024(online)].pdf 2024-09-25
6 202417072405-FORM 18 [25-09-2024(online)].pdf 2024-09-25
7 202417072405-FORM 1 [25-09-2024(online)].pdf 2024-09-25
8 202417072405-DRAWINGS [25-09-2024(online)].pdf 2024-09-25
9 202417072405-DECLARATION OF INVENTORSHIP (FORM 5) [25-09-2024(online)].pdf 2024-09-25
10 202417072405-COMPLETE SPECIFICATION [25-09-2024(online)].pdf 2024-09-25
11 202417072405-FORM 3 [19-02-2025(online)].pdf 2025-02-19