Housingless load cell

Details Housingless load cell Housingless load cell

2008-01-15

2008-01-15

Gibson, Randy W (Department: 2841)

Weighing scales

Self-positioning

Electrical current generating or modifying

C073S862621

Reexamination Certificate

active

07319198

ABSTRACT:
The invention relates to a housingless load cell whose resistance and measuring accuracy can be improved with respect to environmental influences such that at least the predominant part of the surface (12) and/or the surface (14) has a transversal path, such that water hitting the body of the load cell (1) can flow off when the load cell is in a built-in state. The angle α1between the transversally extending part of the surface (12) and the perpendicular peripheral surface of the body (3) and/or the angle β2between the transversally extending part of the surface (14) and the peripheral surface of the leg (4) is respectively greater than 90° and is, more particularly between 93°- 120°. A housingless load cell comprising a compensation electronics system is provided in one of the transversal holes (7). Finally, a load cell is further developed such that the peripheral surface of the leg (4) comprises at least one essentially perpendicular groove (24) forming a rotational lock piston with a protruding element on the lower plate.

REFERENCES:
patent: 2901235 (1959-08-01), Bradley
patent: 4804053 (1989-02-01), Nordstrom
patent: 4838372 (1989-06-01), Krause
patent: 6888074 (2005-05-01), Haggstrom
patent: 6973837 (2005-12-01), Barnett
patent: 2002/0069708 (2002-06-01), McKenna
patent: 0 800 069 (1997-10-01), None
patent: WO 01/18504 (2001-03-01), None

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