Weighing scales – Self-positioning – Electrical current generating or modifying
Patent
1995-07-18
1998-06-30
Gellner, Michael L.
Weighing scales
Self-positioning
Electrical current generating or modifying
G01G 2124
Patent
active
057719861
ABSTRACT:
A toploaded balance in accordance with the principle of the electromagnetic compensation of force with a divided upper guide rod (3, 3') and a divided lower guide rod (4, 4') which together as a parallel guide connect a load receiver (2) to a system carrier (1) fixed to the housing, which system carrier (1), load receiver (2) and guide rods (3, 3', 4, 4') form a one-piece base, with a translation lever (5) rotatably mounted by two flexible articulations (7) on the system carrier (1), with a coupling element (12) connected by flexible articulations on the one hand to the load receiver (2) and on the other hand to the short lever arm of the translation lever (5), with a magnet build, as viewed from above, into the free space between the parts of the guide rods (3, 3', 4, 4') and their extensions on the system-carrier side and with a coil fastened on the longer lever arm of the translation lever (5) and extending into the air gap of the magnet, the translation lever (5), the two flexible articulations (7) for mounting the translation lever (5) and the coupling element (12) with its flexible articulations (13, 14) are also a one-piece component of the base. In this manner errors by screwing the flexible articulations (7) and warping and non-reproducible return forces from other screw connections can be avoided.
REFERENCES:
patent: 4798251 (1989-01-01), Maaz et al.
patent: 4799561 (1989-01-01), Komoto
patent: 4813505 (1989-03-01), Sodler et al.
patent: 4890246 (1989-12-01), Oldendorf et al.
patent: 5315073 (1994-05-01), Ast et al.
Bierich Eduard
Graf Winfried
Kohn Heinz-Gerhard
Laubstein Michael
Martens Jorg Peter
Gellner Michael L.
Gibson Randy W.
Sartorius AG
Schellin Eric P.
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