Weighing scales – With testing
Reexamination Certificate
2006-03-14
2006-03-14
Gibson, Randy W. (Department: 2841)
Weighing scales
With testing
C177S187000, C177S212000, C177S2100EM, C177S253000, C177S262000, C177SDIG009, C073S001130
Reexamination Certificate
active
07012198
ABSTRACT:
A balance includes a weighing cell with a vertically movable load receiver, a weighing pan to receive a weighing load, and a support element to couple the weighing pan to the vertically movable load receiver of the weighing cell. A cantilever arm with a seat for at least one calibration weight is solidly connected to the support element. The balance has a coupling arrangement that constrains the support element with low-friction mobility to the load receiver at three points forming a triangle in a plane that extends orthogonal to the symmetry plane of the weighing cell, wherein the triangle is symmetric to the symmetry plane of the weighing cell. Under the coupling arrangement, the support element is solidly supported on the load receiver in the direction in which the weighing load is acting.
REFERENCES:
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patent: 4766965 (1988-08-01), Luchinger
patent: 4938301 (1990-07-01), Stadler et al.
patent: 5096007 (1992-03-01), Burkhard
patent: 5721398 (1998-02-01), Balsen et al.
patent: 6557391 (2003-05-01), Luchinger
patent: 6835901 (2004-12-01), Luchinger
Fringeli Eduard
Lüchinger Paul
Lüdi Beat
Gibson Randy W.
Kueffner Friedrich
Mettler-Toledo GmbH
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