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:
Dec. 07, 2004
Filed:
Feb. 14, 2002
Atsuo Nagasawa, Inuyama, JP;
Murata Kikai Kabushiki Kaisha, Kyoto, JP;
Abstract
A suction control unit in a plate suction and lifting device that can suck and lift even the plate with process holes or the corrugated plate by finding the suckable flat part of the plate. A suction control unit controls a plate suction and lifting device for lifting a plate W by sucking the flat part of the plate W by a suction pad The suction control unit is equipped with a suction pressure detector and a retry control unit The retry control unit detects the suction pressure of the suction pad The retry control unit sucks the plate again if the suction pressure of the suction pressure detector does not reach the set pressure when the suction pad sucks the plate W. This suction is implemented again by changing the flat part of the plate W sucked by the suction pad