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:
Dec. 15, 1992
Filed:
Oct. 23, 1991
Applicant:
Inventors:
Peter Kunz, Gossau, CH;
Tadeusz Wojnarski, Wallisellen, CH;
Assignee:
Mettler-Toldedo AG, Greifensee, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01G / ; G01G / ;
U.S. Cl.
CPC ...
177181 ; 177238 ;
Abstract
A draft protection device for a precision balance includes a base and a stationary rear wall connected to the base. The top of a front pane is connected through two connecting bars to the rear wall. The draft protection device further includes two sliding doors which are slidably mounted in longitudinal guides in the connecting bars and in the base. Racks are mounted in the areas of the upper edge and of the lower edge of at least one of the sliding doors. Pinions connected to each other through a vertically extending shaft mounted at the rear wall mesh with the racks. The shaft may be driven by an electric drive.