Pneumatic weighing device and method

Details Pneumatic weighing device and method Pneumatic weighing device and method

1980-11-03

1981-12-22

Hartary, Joseph W.

Weighing scales

Processes

177145, 177177, 177208, 406 34, 406 88, G01G 500

Patent

active

043066291

ABSTRACT:
Disclosed is a device for detecting the weight of an article by measuring the amount of pressure required to support the article. The weighing device is characterized by a weighing table having a plurality of apertures for receiving compressed air. The pressure required to support the gross weight of an article passing over the apertures is sensed by a pressure transducer and translated into an electrical signal used to derive the actual numerical weight of the article.

REFERENCES:
patent: 2564221 (1951-08-01), Hornfeck
patent: 3180475 (1965-04-01), Del Rosso
patent: 3317039 (1967-05-01), Wadey
patent: 3603646 (1971-09-01), Leoff
patent: 3672457 (1972-06-01), Hester
patent: 3848180 (1974-11-01), Jonke et al.
patent: 3907099 (1975-09-01), Smith
patent: 4024944 (1977-05-01), Adams et al.

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