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:
Feb. 26, 2013
Filed:
May. 16, 2011
Detlev Erben, Goettingen, DE;
Helga Covic, Goettingen, DE;
Jochen Doerner, Goettingen, DE;
Sartorius Weighing Technology GmbH, Goettingen, DE;
Abstract
A top-pan balance having a pan, a weighing system, and an overload safety mechanism. The load cell () of the weighing system is connected to fixed points () on a housing of the weighing system by an upper connecting rod () and a lower connecting rod () as a parallel guide so as to be movable in the vertical direction. The pan is attached to a pan support () for securing against overload, the support being connected to the load cell through an auxiliary parallel guide () and through a biased spring element (), whereby the pan is quasi rigidly coupled to the load cell in the permissible weighing range, but is only resiliently coupled to the load cell when the permissible weighing range is exceeded. At least one limit stop is fixed to the housing and limits the elastic deflection of the pan and the pan support in case of overload. An additional corner load sensor is provided between the pan support and the load cell, and the corner load sensor and the overload safety mechanism form a common assembly (), wherein the corner load sensor is disposed behind the overload safety mechanism in the force flow direction from the pan to the load cell. Furthermore, the assembly is attached on the side of the load cell facing the connecting rods and extends into the space between the connecting rods.