Load cell

Details Load cell Load cell

1983-10-26

1985-12-10

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

73855, 338 2, G01L 122

Patent

active

045571503

ABSTRACT:
The load-sensitive element of a load cell is provided with reduced-thickness portions for endowing the cell with flexibility, and a strain gauge is bonded to each reduced-thickness portion. A deposited aluminum tape or a deposited aluminum film, comprising a substrate and a deposited aluminum layer provided on the substrate, is bonded over each strain gauge by using an adhesive, thereby covering each strain gauge with a deposited aluminum layer. Alternatively, each strain gauge is covered with aluminum foil or a deposited aluminum film bonded in place through the intermediary of a rubber sheet interposed between the load-sensitive element and the foil or film, a space being provided around the strain gauge. Furthermore, the strain gauge is covered by a Teflon sheet non-adhesively, and further, a covering member such as a deposited aluminum film or tape covers the strain gauge from the top of the Teflon sheet.

REFERENCES:
patent: 3089107 (1963-05-01), Dean, III
patent: 3639875 (1972-02-01), Brewer
patent: 3863192 (1975-01-01), Grey
patent: 4307371 (1981-12-01), Ort
patent: 4343197 (1982-08-01), Suzuki et al.

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