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. 16, 2008
Filed:
Dec. 28, 2007
Dong Woo Kang, Daejeon, KR;
IN Gab Jang, Daejeon, KR;
Jong Seung Park, Daejeon, KR;
Tae Won Lee, Daejeon, KR;
Dong Woo Kang, Daejeon, KR;
In Gab Jang, Daejeon, KR;
Jong Seung Park, Daejeon, KR;
Tae Won Lee, Daejeon, KR;
Doosan Heavy Industries & Construction Co., Ltd., Gyeongsangnam-Do, KR;
Abstract
A stack fastening device includes a base, on an upper surface of which a stack is loaded, a compression plate, which has a flat configuration and is placed over the stack to press the stack, and a plurality of vertical beams, which are installed on the base to extend vertically so that the upper end portion of the beams projects out through the edge of the compression plate, A thread is formed in an upper end portion of each vertical beam, nuts are threadedly coupled to the thread such that the nuts can be tightened against upper and lower surfaces of the compression plate, and engagement grooves are defined in the upper surface of the compression plate so that a head of a hydraulic cylinder can be coupled to the compression plate.