Weighing device with strain gages

Details Weighing device with strain gages Weighing device with strain gages

1984-10-19

1986-01-21

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

7386266, 7386267, G01G 314, G01L 122

Patent

active

045652554

ABSTRACT:
The opposite ends of a metal bar placed between a weighing platform and a base plate are rigidly fixed respectively to the platform and base plate. The metal bar carries flexure-sensitive strain gages and torsion-sensitive strain gages for cancelling the torsional stresses detected by the gages. Two pairs of flexure-sensitive strain gages are mounted on one face of the bar and aligned along the bar axis X--X'. The gages of each pair are connected in opposition of sign in a Wheatstone bridge circuit and an electric signal which is proportional to the force applied on the weighing platform is measured at the bridge terminals.

REFERENCES:
patent: 2771579 (1956-11-01), Ruge
patent: 3358501 (1967-12-01), Ormond
patent: 3460383 (1969-08-01), Padera
patent: 3576128 (1971-04-01), Lockery
patent: 3661220 (1972-05-01), Harris
patent: 3707076 (1972-12-01), Jones
patent: 3853001 (1974-12-01), Mock
patent: 4061198 (1977-12-01), Caldicott
patent: 4453609 (1984-06-01), Griffen et al.

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