Weight scales and strain gauge assemblies usable therein

Details Weight scales and strain gauge assemblies usable therein Weight scales and strain gauge assemblies usable therein

1987-09-04

1989-09-19

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177255, 177DIG9, G01G 314, G01G 2124

Patent

active

048672599

ABSTRACT:
A strain gauge assembly of the type having an elongate flexible member (12) with attached strain gauges (36, 38) has forces applied thereto at points (48, 50) spaced from its central neutral plane (52) by means including members mounted to a foot (10) and force receiving (14) members for non-sliding lateral movement relative thereto. In another embodiment strain gauges are attached to a flexible diaphragm (68) which is in communication with a fluid contained within a flexible sealed container (78) that is restrained against lateral movement by a hollow restraint member (62) therearound but which has a portion (80) protruding from a lower open end (66) thereof to receive a load to pressurize the fluid for flexing the diaphragm (68). A weight scale suitable for employment of the above strain gauge assemblies has an electronic adder (91) summing the loads of a plurality of strain gauge assemblies (92) of load modules to produce a total load signal which is applied to an electronic display (90) for provision of a visual indication of weight. In another embodiment, the flexible members are suspended between fixed support members and floating force transmitting members.

REFERENCES:
patent: 4457385 (1984-07-01), Provi
patent: 4458771 (1984-07-01), Hanssen et al.
patent: 4650016 (1987-03-01), Andriewsky

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