Weight bearing treadle

Details Weight bearing treadle Weight bearing treadle

1976-12-13

1978-04-25

Miller, Jr., George H.

Weighing scales

Self-positioning

Fluid transmission to pressure gauge

177254, G01G 504

Patent

active

040858103

ABSTRACT:
An improved treadle for use in a compact, portable weighing scale comprising a load-bearing, pressure-developing displacement treadle connected to a volume-reacting, weight-indicating readout means. The treadle contains a first sealed collapsible chamber sealed at one end and communicating with the readout means at the other, and a second, fully sealed collapsible chamber not communicating with the readout means. The second sealed chamber improves the compression characteristics of the collapsible chamber. At least one collapsible chamber is preferably formed from flexible tubing which is reinforced with braiding. A treadle comprising two treadle plates, and a means of compacting same, are also disclosed.

REFERENCES:
patent: 3791375 (1974-02-01), Pfeiffer
patent: 3974491 (1976-08-01), Sipe
patent: 3985191 (1976-10-01), Wellman
patent: 4007800 (1977-02-01), Janach et al.

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