Force transducer

Details Force transducer Force transducer

1977-06-22

1979-09-04

Albritton, C. L.

Electrical resistors

Strain gauge type

Dynamometer type

73141A, 338 4, G01L 122

Patent

active

041669983

ABSTRACT:
The force transducer includes an essentially symmetrical, beam flexure of generally rectangular platelike construction, one of the edge surfaces being provided with a strain gage. A continuous Z-shaped slotlike passage is formed through the thickness of the beam flexure between its major surface areas, with one cross bar of the "Z" preferably parallel to the edge carrying the strain gage. An enclosing housing supports the beam flexure via a pair of pin members extending through openings provided in the beam flexure and located at one side of the diagonal portion of the "Z". External forces are applied to the beam flexure via a further pin member extending through an opening provided on the other side of the diagonal portion of the "Z". Forces to be measured are applied substantially solely in planes parallel to the major surface planes of the beam flexure. An undersized free-floating pin is located within an enlarged bore provided in the center of the diagonal portion of the "Z" to prevent both operation beyond the most accurate range and damage in the event of exposure to an excessively large force.

REFERENCES:
patent: 3772912 (1973-11-01), Andersen
patent: 3858143 (1974-12-01), Schaberg
patent: 3969935 (1976-07-01), Shoberg

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