Measuring and testing – Dynamometers – Responsive to force
Patent
1979-06-27
1981-08-11
Woodiel, Donald O.
Measuring and testing
Dynamometers
Responsive to force
73 1B, G01L 104
Patent
active
042827485
ABSTRACT:
The moment sensitivity of shear beam transducers is mechanically compensated to make such transducers relatively insensitive to load applications which are off-center relative to an optimal point of load application. Such shear beam transducers have a free end forming a load application section, a mounting section, and a fillet located substantially where the sections merge. The compensation is made by providing the fillet initially with a larger radius than the final compensating radius. The compensation is made by gradually changing the fillet radius until the transducer output shows substantially no difference between the measurement resulting from applying a defined load in the optimal loading point and the measurement resulting from applying the same load off-center the optimal loading point whereby the transducer becomes substantially insensitive to such off-center load applications.
REFERENCES:
patent: 3949603 (1976-04-01), Laimins
patent: 3960228 (1976-06-01), Nordstrom
patent: 3994161 (1976-11-01), Trozera
patent: 4009608 (1977-03-01), Ormond
patent: 4020686 (1977-05-01), Brendel
patent: 4128001 (1978-12-01), Marks
Laimins Eric
Lockery Harry E.
Fasse W. G.
Gould D. F.
Hottinger Baldwin Measurements Inc.
Woodiel Donald O.
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