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:
Jan. 01, 1985
Filed:
Jun. 28, 1982
Applicant:
Inventor:
Helmut Eickhorst, Varel, DE;
Assignee:
Vereinigte Flugtechnische Werke GmbH, Bremen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
269 21 ; 269 71 ; 269 76 ; 269 75 ;
Abstract
Large, spherically preshaped, thin workpieces are held and clamped in discrete, well-defined points under utilization of holding and clamping elements in which a portion of a head is universally pivotable about a point being the center of a sealing rim for a plenum chamber adjacent the engaging workpiece in which plenum chamber high pressure is established so that the workpiece can slide above the rim on an air cushion while it is being held through application of below-atmospheric suction pressure in the plenum.