Weighing apparatus

Details Weighing apparatus Weighing apparatus

1991-04-26

1992-07-14

Miller, Jr., George H.

Weighing scales

Self-positioning

Fluid transmission to pressure gauge

177241, 177254, 177262, G01G 504, G01G 2128, G01G 2122

Patent

active

051294729

ABSTRACT:
A weighing device includes a housing disposed on an upper end of a post, a displayer disposed on the housing, a piezoelectric element disposed in the housing and having one end located above the opening of the housing, an air bag disposed on a base, a tube coupled to the post and connected to the air bag, and an expandable member disposed on an upper end of the tube for pushing the piezoelectric element when an object is put on the air bag. A signal corresponding to the weight of the object is generated and displayed on the displayer.

REFERENCES:
patent: 3378090 (1968-04-01), Christie
patent: 4002216 (1977-01-01), Solow
patent: 4153125 (1979-05-01), Hutchinson et al.
patent: 4253534 (1981-03-01), Hall et al.
patent: 4537266 (1985-08-01), Greenberg

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