Control stick force transducer

Details Control stick force transducer Control stick force transducer

1981-04-13

1984-03-20

Birmiel, Howard A.

Measuring and testing

Dynamometers

Responsive to multiple loads or load components

244236, 336135, G01L 516, B64C 1304

Patent

active

044373511

ABSTRACT:
In combination with a control stick having a grip handle, a control stick force transducer includes a flexure means having a pair of parallel plates, one secured to the grip handle and one secured to the control stick and at least three compliant columns interconnecting said plates and forming at least three parallelograms disposed in vertical planes so that the one plate deflects relative to the other in accordance with rectilinear forces applied thereto but is insensitive to any moments applied thereto through the control handle. The force transducer further includes inductive pick-off means designed to be insensitive to moments applied to the handle about its vertical axis and a suspended mass and lever means pivoted relative to said columns so as to produce equal and opposite forces on the grip handle to compensate for the acceleration forces acting thereon.

REFERENCES:
patent: 2866333 (1958-12-01), Dudenhausen
patent: 2895086 (1959-07-01), Pettit
patent: 3434342 (1969-03-01), Kazmarek
patent: 3447766 (1969-06-01), Palfreyman
patent: 3729990 (1973-05-01), Oliver

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