Weighing scales – Self-positioning – Spring
Patent
1986-04-10
1987-09-01
Miller, Jr., George H.
Weighing scales
Self-positioning
Spring
177211, G01G 308, G01G 314
Patent
active
046902309
ABSTRACT:
Means for supporting an article to be weighed, a low range load cell having a high accuracy weighing range and including means for outputting a first signal in response to a weight on the supporting means and a high range load cell having a high load weighing range which is higher than the high accuracy weighing range, the high range load cell including means for outputting a second signal in response to a weight on the supporting means, are provided. Means are also provided for receiving the first and second signals and for outputting a weight signal as a function of one of the first and second signals, the means for receiving including means for outputting the weight signal as a function of the first signal for any weight within the weighing range of the low range load cell, whereby high accuracy weighing is achieved. The instrument includes means for counting a number of weighings and for outputting a counting signal as a function of the first and second signals received as a result of repeated weighings, whereby the instrument can be used as a counting instrument. The weight can be displayed in either pound or kilogram units, with a preferences given for kilogram units.
REFERENCES:
patent: 4037675 (1977-07-01), Storace
Masuyama Tsutomu
Uchimura Mitsuo
Miller Jr. George H.
Tokyo Electric Co. Ltd.
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