Force transducer with co-planar strain gauges

Details Force transducer with co-planar strain gauges Force transducer with co-planar strain gauges

1996-08-19

1998-11-10

Dougherty, Elizabeth L.

Measuring and testing

Dynamometers

Responsive to multiple loads or load components

73862044, G01L 522

Patent

active

058359770

ABSTRACT:
An improved force transducer which may, for example, be used as a joystick control for computer display control. Co-planar strain gauges are configured for response to forces applied in each of three orthogonal directions. A post and underlying ceramic substrate, the latter having the strain gauges mounted thereon, are mounted to a printed circuit board by means of a conductive epoxy or solder in a gap between the substrate and the circuit board. A retainer may be used to limit the extent of post displacement in X and Y directions to prevent damage to the assembly from forces which would otherwise exceed the physical limits thereof.

REFERENCES:
patent: Re26302 (1967-11-01), Seed et al.
patent: 3729990 (1973-05-01), Oliver
patent: 4217569 (1980-08-01), Nejedly et al.
patent: 4454771 (1984-06-01), Shimazoe et al.
patent: 4493219 (1985-01-01), Sharp et al.
patent: 4536746 (1985-08-01), Gobeli
patent: 4635479 (1987-01-01), Salisbury, Jr. et al.
patent: 4758692 (1988-07-01), Roeser et al.
patent: 5035148 (1991-07-01), Okada
patent: 5228348 (1993-07-01), Frigiere
patent: 5526700 (1996-06-01), Akeel

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