Helical load cell

Details Helical load cell Helical load cell

1997-04-24

1999-02-16

Chilcot, Richard

Measuring and testing

Dynamometers

Responsive to force

G01L 104

Patent

active

058723196

ABSTRACT:
A helical load cell includes a first pair of transducers disposed along a neutral axis of a helical coil. A second pair of transducers is disposed in diametrically opposed relation to the first pair. Sensitivity to side loading is eliminated by "splitting" the second pair of transducers. In another embodiment, each of the transducers in each pair are respectively oriented parallel and perpendicular to a neutral axis of the coil. This configuration provides a measure of torsional forces.

REFERENCES:
patent: 2582886 (1952-01-01), Ruge
patent: 2813709 (1957-11-01), Brier
patent: 4212360 (1980-07-01), Chesher
patent: 5220971 (1993-06-01), Farr
patent: 5461933 (1995-10-01), Ives et al.
patent: 5714695 (1998-02-01), Bruns
LaVar Clegg, "Bonded Foil Strain Gauge Force Tranducers", Sensors, pp. 68-75 (Oct. 1996).
Product brochure for "Compression Only / Thru Hole Load Washer".

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