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:
May. 12, 2009
Filed:
Jul. 15, 2005
Paul Lüchinger, Uster, CH;
Hansjörg Rotach, Effretikon, CH;
Roger Leisinger, Zurich, CH;
Eduard Fringeli, Bubikon, CH;
Paul Lüchinger, Uster, CH;
Hansjörg Rotach, Effretikon, CH;
Roger Leisinger, Zurich, CH;
Eduard Fringeli, Bubikon, CH;
Mettler-Toledo AG, Griefensee, CH;
Abstract
A draft protection device for a balance, which encloses a weighing compartment surrounding a weighing pan, has at least one opening that can be closed by a window. The at least one window has at least two slidable window sections which partially overlap each other in any of their positions. According to the invention, a drive mechanism is provided for the opening and closing of the window, which drive mechanism couples the window sections to each other in such a way that all of the window sections move simultaneously and at different speeds during the opening and closing, wherein a fixed ratio between the respective speeds of the window sections can be predetermined by design.