Electronic balance

Details Electronic balance Electronic balance

1993-03-25

1994-08-16

Miller, Jr., George H.

Weighing scales

Load holder

Sway or tilt prevention

177229, G01G 2124, G01G 308

Patent

active

053389026

ABSTRACT:
An electronic balance incorporating a Roberval mechanism has a weighing pan attached to a vertically elongated arm connected to one end of a beam such that the arm remains vertically oriented as the beam swings around its supporting point in the middle. A shutter is attached to the opposite end of the beam and a position sensor for detecting the position of the shutter is firmly attached to the arm such that the shutter and the position sensor moves in mutually opposite directions as an object to be weighed is placed on the weighing pan and the beam swings around its supporting point.

REFERENCES:
patent: 4300648 (1981-11-01), Gallo et al.
patent: 4799561 (1989-01-01), Komoto
patent: 4846294 (1989-07-01), Sato
patent: 5191949 (1993-03-01), Mills et al.

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