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:
Jul. 02, 1996
Filed:
Dec. 28, 1994
Jae B Ahn, Changwon, KR;
Daewoo Heavy Industries Ltd., Incheon, KR;
Abstract
A machining center adapted for use in cutting a workpiece into a desired shape, comprising: a bed having a table for changeably holding a first pallet; a support die disposed in front of the bed to support a second pallet to be changed with the first pallet; a machine housing extending upwardly from the bed to define a cutting compartment enclosing the first pallet, the machine housing having a frontal access opening; a rotary door mounted on the machine housing to openably close the access opening; pivot pins for pivotally supporting the rotary door at central top and bottom edges of the door; a pallet changer disposed beneath the rotary door for exchanging the first and second pallets with each other, the pallet changer including a rotary arm, a vertical cylinder for causing the arm to vertically move from a lower position to an upper position and first and second horizontal cylinders for causing the arm to rotate between a first angular position where the arm remains parallel to the door and a second angular position where the arm becomes perpendicular to the door; and locator pins and locator holes for allowing the rotary arm to engage with the rotary door as the rotary arm moves into the upper position at the second angular position.