Balance beam scale

Details Balance beam scale Balance beam scale

1976-04-07

1977-08-16

Miller, Jr., George H.

Weighing scales

Equal arm type

With check link

177197, 177253, G01G 2124, G01G 2122

Patent

active

040420507

ABSTRACT:
A balance beam type scale which is particularly adapted for educational purposes, i.e. for use by grammar school children. The components of the scale are easily assembled. Also, the scale is so constructed and arranged as to permit the weighing of a solid article, granulated materials or a liquid. Although the scale is ruggedly constructed for use by children, it includes features which have heretofore only been found in more expensive scales, for example a check lever.

REFERENCES:
patent: 423183 (1890-03-01), Schmidt
patent: 939347 (1909-11-01), Strauss
patent: 1351449 (1920-08-01), Stevens
patent: 1473126 (1923-11-01), Sawyer
patent: 1899436 (1933-02-01), Fletcher
patent: 2272142 (1942-02-01), Weckerly
patent: 2310493 (1943-02-01), Richard
patent: 2503218 (1950-04-01), Rundquist
patent: 2839288 (1958-06-01), Hadley et al.
patent: 3502163 (1970-03-01), Stehl

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