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. 06, 1976
Filed:
Feb. 21, 1975
Applicant:
Inventors:
Heinrich Illemann, St. Magdelen near Villach, OE;
Josef Urbanek, Steindorf, OE;
Assignee:
Osterreichisch-Amerikanische Magnesit Aktiengesellschaft, Carinthia, OE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07B / ;
U.S. Cl.
CPC ...
209403 ; 209319 ; 1014151 ;
Abstract
A clamping device adapted to tighten a screen bottom onto a screen frame in a screening apparatus. The clamping device is provided with means disposed on one side of the screen frame for pneumatically tightening one side of the screen bottom to that side of the screen frame, the opposite side of the screen bottom being attached to the opposite side of the screen frame. The pneumatic tightening means is provided with a flexible inflatable hose and a compressed air source connected to the hose for inflating and deflating the hose.