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. 05, 2019
Filed:
Jan. 12, 2016
Hitachi, Ltd., Tokyo, JP;
Masanao Terada, Tokyo, JP;
Yuki Nakai, Tokyo, JP;
Yoichi Oshita, Tokyo, JP;
Hiroaki Hashimoto, Tokyo, JP;
Hajime Urai, Tokyo, JP;
Katsuhiko Shiraishi, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A bidirectional driving mechanismhas a drive-side linkage rod, a driven-side linkage rod, two leversthat link the drive-side linkage rod with the driven-side linkage rod, and a guidethat regulates the operation of the drive-side linkage rodand the driven-side linkage rod. A moveable pinis passed through a first groove camof the drive-side linkage rod, a second groove camof the guide, and third groove camsof the levers, and by operation of the drive-side rod, the moveable pinmoves within the respective groove cams, causing the leversto rotate, the driven-side linkage rodto be driven in a direction opposite to the drive-side linkage rod, and a driven-side arc electrodeto be driven in a direction opposite to a drive-side arc electrode