Load cell
AssigneeHottinger Baldwin Messetechnik GmbH
InventorsFelix von Hertling, Ralf Waegner
Life of this patent
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Abstract
For producing load cells, especially for platform scales in which a beam that is clamped at one end in a bending stiff manner, is loaded at its opposite end, the measuring spring (1) is formed by a section (2) of a blank having a constant cross-section along its length. The section (2) is severed from the blank by parallel cuts so that the cut end surfaces (4) of the measuring spring (1) extend in parallel to each other and at a slant of an angle (.alpha.) to the central plane (3). Hereby the expense for material is reduced.
Claims8
A load cell comprising a section of sectional I-beam stock having two flanges (13, 14) and a web (12) interconnecting said flanges (13, 14) with each other, said I-beam stock having a central longitudinal axis extending in said web (12) in parallel to a length of said flanges (13, 14), said I-beam stock forming a load cell body having a first pair of elongated flange surfaces extending in parallel to each other and in parallel to said central longitudinal axis, a second pair of end surfaces extending through said web and through said flanges in parallel to each other and at a slanting angle (.alpha.) through said central longitudinal axis to form a central load cell body portion between two slanted load cell body ends, said central portion of said load cell body having an I-cross-section of said I-beam stock, each of said slanted body ends having a T-cross-section, at least one strain gage secured to said load cell body, and means for introducing a load in at least one of said slanted body ends having said T-cross-section.
Dependencies are inferred from the claim text.