Load cell amplifier

Details Load cell amplifier Load cell amplifier

1974-09-16

1976-07-20

Ruehl, Charles A.

Measuring and testing

Volumetric content measuring

177210, G01L 104

Patent

active

039699340

ABSTRACT:
A load cell of the beam type comprising an operator member having a pair of parallel longitudinally extending slots forming a central beam member and a pair of parallel bearing members spaced outwardly of the central beam member, the outer ends of the bearing members and the central beam member being integral. The operator member has a pair of support members extending outwardly from opposite sides thereof, the support members being positionable on horizontal laterally spaced surfaces on a support block. The load or force to be measured is applied to the central portion of the central beam member which is provided with deflection measuring apparatus at points of inflection of the elastic curve of a beam member. The deflection measuring apparatus preferably comprises an indicator arm extending perpendicularly from the central beam member such that the end of the indicator arm is moved a substantial distance upon slight angular deflection of the elastic curve or the neutral axis of the central beam member to indicate the magnitude of force applied to deflect the beam member.

REFERENCES:
patent: 2213982 (1940-09-01), Frey et al.
patent: 2319299 (1943-05-01), Converse
patent: 2476941 (1949-07-01), Woodward
patent: 2880612 (1959-04-01), Coyne et al.

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