Portable and compactible scale

Details Portable and compactible scale Portable and compactible scale

1983-12-30

1985-08-27

Goldberg, E. A.

Weighing scales

Self-positioning

Fluid transmission to pressure gauge

177126, 177254, 177154, 7386258, G01G 504, G01G 2100

Patent

active

045372667

ABSTRACT:
A portable and compactible scale includes a flexible, compactible bladder providing an interior chamber in which a non-compressible fluid (e.g., hydraulic liquid) is retained. The bladder includes a top wall adapted to support the load to be weighed and spaced-apart support members extend downward from the top wall and terminate short of the bottom wall under no-load conditions. A plurality of spaced-apart, flexible, substantially non-stretchable tendon means optionally can be provided within the chamber to bridge the opposed top and bottom walls of the bladder and thereby impede outward bulging of the top wall during a weighing operation without inhibiting compressive deflection of the bladder.

REFERENCES:
patent: 2051042 (1936-08-01), Hendel et al.
patent: 2954221 (1960-09-01), Ernst
patent: 3372764 (1968-03-01), Crotts
patent: 3433316 (1969-03-01), Newman
patent: 3774704 (1973-11-01), Purcell
patent: 4002216 (1977-01-01), Solow
patent: 4085810 (1978-04-01), Wellman
patent: 4089036 (1978-05-01), Geronime
patent: 4370697 (1983-01-01), Haberl et al.
patent: 4431072 (1984-02-01), Stepp

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