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:
Nov. 01, 2005
Filed:
Oct. 19, 2000
Kazuhiro Kanno, Kanagawa, JP;
Kazuhiro Kanno, Kanagawa, JP;
Amada Company, Limited, Kanagawa, JP;
Abstract
In a press brake relatively moving an upper table (U) or a lower table (L) upward and downward by a plurality of hydraulic cylinders (L andR) so as to perform a bending work, the respective hydraulic cylinders (L,R) are driven by individually controlling a pair of left and right two-way. fluid pumps and hydraulic devices (L,R) provided in correspondence to the respective hydraulic cylinders (L,R) The two-way fluid pumps and the respective hydraulic devices (L,R) are mounted to a base plate () mounted to cylinder heads (L,R) of the respective hydraulic cylinders (L,R), and an oil tank () is provided in an upper side of the hydraulic devices (L,R).