Weighing scales – With casing closure or shield
Patent
1986-02-11
1987-05-19
Miller, Jr., George H.
Weighing scales
With casing closure or shield
177241, 177245, G01G 2128, G01G 2300
Patent
active
046660054
ABSTRACT:
An electronic balance devised so that the weighing pan of the balance may settle down fast to make the balance indicate a correct value of measurement quickly without being long disturbed by the air turbulence arising when the door of the weighing pan protecting chamber of the balance is opened and continuing for a while after the door has been closed. This electronic balance is provided witha heater on the base portion of the weighing pan protecting chamber so that the heater is located just below the door of the chamber. The heater generates hot air streams rising upward therefrom along the outer surface of the door. When the door is opened, the air streams play a role of an air curtain to prevent a possible air exchange between the hotter chamber warmed by the electronic circuit of the balance and the cooler surrounding atmosphere.
REFERENCES:
patent: 4465152 (1984-08-01), Schmitter
patent: 4548288 (1985-10-01), Komoto
Komoto Akira
Shimauchi Kunio
Miller Jr. George H.
Shimadzu Corporation
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