Balance beam scale having digital display

Details Balance beam scale having digital display Balance beam scale having digital display

1986-03-07

1987-03-17

Miller, Jr., George H.

Weighing scales

Self-positioning

Electrical current generating or modifying

177245, 177249, G01G 314, G01G 2300, G01G 136

Patent

active

046500154

ABSTRACT:
A beam scale includes a single weight mounted on a balance beam which is movable to selected positions to establish ranges of weights to be measured. The beam is supported by a flexible member to which a strain gage mechanism is secured to provide a vernier weight signal. The electronic circuitry associated with the scale receives signals indicative of the adjustable weight position and indicative of the deflection of the beam supporting member and totalizes these signals to produce and display a number indicative of the weight applied to the scale. The scale permits the user operator to perform a simple calibration procedure which guarantees the accuracy of subsequent measurements by zeroing the scale and calibrating it between the zero and fifty pound setting of the adjustable weight. This provides a balance beam scale which has greater accuracy than conventional mechanical balance beam scales and is far easier to use, particularly by an untrained person.

REFERENCES:
patent: 2955811 (1960-10-01), Jonas et al.
patent: 3812924 (1974-05-01), Fletcher et al.
patent: 4113040 (1978-09-01), Storace

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