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:
Apr. 13, 2004
Filed:
Nov. 19, 2002
Hyo Won Kim, Kyungki-do, KR;
Mirae Corporation, Chunan-si, KR;
Abstract
The present invention discloses a back-up plate up/down apparatus in which a back-up plate is ascended or descended without rocking, maintaining a parallel state. The back-up plate up/down apparatus includes a base plate; guide blocks installed with a constant distance to the base plate; a first driving cylinder installed between the guide blocks; fixed blocks installed with a constant distance to both ends of the base plate and having rotating shafts inserted to both ends thereof; rotating links, in which the rotating shaft is inserted to an end thereof and a connecting member is connected to the other end thereof; a second driving cylinder connected to the connecting members by means of a rod; holders fixed at rods of other connecting members slidably and for fixing the back-up plate; and sensors installed to the holders with a constant distance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile