Load cell for detecting vibrations and weighing device comprisin

Details Load cell for detecting vibrations and weighing device comprisin Load cell for detecting vibrations and weighing device comprisin

1995-02-17

1996-10-29

Brown, Brian W.

Weighing scales

Shock absorber, damper

177229, 73862634, G01G 2110, G01G 308, G01L 104

Patent

active

055698875

ABSTRACT:
A weighing device has not only a scale cell which weighs an object and outputs a weight signal indicative of the measured weight value but also a vibration-detecting load cell for detecting the vibrations of the floor to which the scale cell is set such that the effects of the floor vibrations can be subtracted from the weight value detected by the scale cell. The vibration-detecting load cell has attenuation-adjusting members adhesively attached to strain-generating parts of its load-sensitive element such that the attenuation constant of the load cell is thereby increased at least by a factor of 2. The usable dynamic range of the load cell can thus be increased while the load cell is kept compact. Butyl rubber members can be used for this purpose.

REFERENCES:
patent: 4593778 (1986-06-01), Konishi et al.
patent: 5052505 (1991-10-01), Naito et al.
patent: 5117929 (1992-06-01), Nakamura et al.
patent: 5154247 (1992-10-01), Nishimura et al.

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