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.:

US 7438633 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 21, 2008

Filed:

Jan. 20, 2006
Applicant:

Poul Erik Jespersen, Roslev, DK;

Inventor:

Poul Erik Jespersen, Roslev, DK;

Assignee:

Flex Trim A/S, Roslev, DK;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B24B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention concerns an apparatus (), preferably for grinding a surface, including at least one grinding unit, a screen () and a guide member (), where the grinding unit is a rotatable and preferably horizontally arranged grinding cylinder, which at a cylinder surface is provided with a number of preferably exchangeable grinding elements, where the screen () entirely or partly encloses the grinding unit, and where the guide member () is connected with the screen (), and where the screen includes an outer screen () and an inner screen () which are mutually movably connected, and where the inner screen () includes a first suction screen () and a second screen () which are mutually movably connected.


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