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:
Jan. 03, 1995
Filed:
Oct. 25, 1993
Naoya Ezawa, Yokohama, JP;
Naoki Noguchi, Yokohama, JP;
Shinichi Takarada, Yokohama, JP;
Masahiro Matsuzawa, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A manipulator whose economic efficiency and reliability are raised by reducing the size and weight of the system through the backup by a common specification drive circuit and actuator when a fault occurs is provided. Thus, the actuator of the end effector is made so as to have the common structure as the actuators of the multiple joints, so that they are driven by a common specification drive unit. Two systems which can be switched are provided in the actuator of the end effector and additionally, a spare drive unit is provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile