Weighing scales – Structural installation – Furniture or room fixture
Patent
1982-11-03
1984-10-16
Goldberg, E. A.
Weighing scales
Structural installation
Furniture or room fixture
177211, 177229, 177245, 73296, 219518, 219458, 219433, G01G 1952, G01G 311, G01G 308, G01G 1900
Patent
active
044769466
ABSTRACT:
A weight measuring arrangement for a cooking appliance in which a surface heating unit also functions as a scale platform. A three arm cantilever beam supports the heating unit. A set of four strain gages measures the strain of the three support arms, with one gage each being attached to each of two identical support arms and the remaining two gages being attached to the third arm, which arms are constructed such that the strain measured by each of the gages secured to the third arm is one-half that measured by each of the gages secured to the two identical arms when the ends of all three arms are equally deflected by a utensil placed on the surface unit for heating. The gages are electrically connected in a Wheatstone bridge network such that the output voltage from the bridge network is proportional to the weight of the load carried on the surface unit. This arrangement can be used to monitor the weight of the items being heated, throughout the heating period.
REFERENCES:
patent: 1769639 (1930-07-01), Gustafson
patent: 3199345 (1965-08-01), Lee et al.
patent: 4062416 (1977-12-01), Berg et al.
Foster Patrick W.
General Electric Company
Goldberg E. A.
Houser H. Neil
Reams Radford M.
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