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:
Sep. 15, 1981
Filed:
Aug. 11, 1978
Applicant:
Inventors:
Shinji Nakamura, Kawasaki, JP;
Katsuyoshi Yamakawa, Kunitachi, JP;
Assignee:
Japan Air Lines Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61B / ;
U.S. Cl.
CPC ...
104284 ; 1051 / ;
Abstract
A truck construction for an attraction type, magnetically levitated vehicle having four electromagnets or electromagnet groups arranged at vertex points in a rectangular plane figure to confront a pair of left and right armature rails laid on the ground. The electromagnets or electromagnet groups are connected to each other by means of girders having a simple structure each constituted by a web and flanges to form a truck having a rectangular plane shape having overall high resistance to torsion. The truck or a group of such trucks are attached to a vehicle through shock absorbing members.