Weighing scales – With testing
Patent
1989-06-20
1990-06-12
Miller, Jr., George H.
Weighing scales
With testing
177145, 73 1B, G01G 1952, G01L 2500
Patent
active
049324861
ABSTRACT:
This invention provides an electronic balance comprising a housing; weighing means enclosed in the housing; a pan on which an object to be weighed is placed and having a space under the top plate thereof; a sensing member having one end connected to the weighing means and projecting out of the housing top wall, with the other end of the sensing member being connected to and supporting the pan outside the housing; a calibration weight arranged in the space under the pan; and operating means for loading and unloading the calibration weight on and from the sensing member. There are disclosed a variety of constructions of the operating means.
REFERENCES:
patent: 4156361 (1979-05-01), Melcher et al.
patent: 4425975 (1984-01-01), Luchinger
patent: 4766965 (1988-08-01), Luchinger
Komoto Akira
Nishio Akira
Miller Jr. George H.
Shimadzu Corporation
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