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:
Aug. 15, 1978
Filed:
Apr. 07, 1977
Applicant:
Inventor:
Kiyoshi Mihirogi, Odawara, JP;
Assignee:
Japan Air Lines, Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60L / ;
U.S. Cl.
CPC ...
191 591 ; 191 53 ; 191 57 ; 191 602 ;
Abstract
An improved current collecting system for a vehicle which, when collecting a current from a power supply member such as trolley wire, controls the engagement of contact members with the power supply member. With this invention, damages of the power supply member attributable to arcs and the like are precluded.