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:
Feb. 15, 2005
Filed:
Jan. 17, 2002
Atsushi Yokoyama, Chiyoda, JP;
Takaomi Nishigaito, Chiyoda, JP;
Yuzo Kadomukai, Ishioka, JP;
Masanori Ichinose, Tsukuba, JP;
Kenichiro Matsubara, Chiyoda, JP;
Nobuyuki Ueki, Sagamihara, JP;
Toshio Manaka, Hitachinaka, JP;
Atsushi Yokoyama, Chiyoda, JP;
Takaomi Nishigaito, Chiyoda, JP;
Yuzo Kadomukai, Ishioka, JP;
Masanori Ichinose, Tsukuba, JP;
Kenichiro Matsubara, Chiyoda, JP;
Nobuyuki Ueki, Sagamihara, JP;
Toshio Manaka, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An electrically driven brake device includes a plurality of brake actuators for generating braking force when driven electrically, a power supply source for storing electric energy and supplying power to the brake actuators, a power source line for connecting the power supply source and the brake actuators, and a power breaker at a position of the power source line at which the brake actuators can be insulated and separated into at least two systems.