Measuring and testing – Dynamometers – Responsive to force
Patent
1983-01-03
1984-10-30
Ruehl, Charles A.
Measuring and testing
Dynamometers
Responsive to force
7386205, 338 47, 338 96, H01C 1010, G01L 516
Patent
active
044793928
ABSTRACT:
A transducer for indicating changes of an applied physical force including a first electrically propertied means connected within an electrical circuit to create an electrical potential across the first means, a second electrically propertied means adapted to be placed in contact with the first means in a manner so as to reflect a linear relationship between the area of contact between the two means and the force applied to the second means. A preferred embodiment utilizes an elastomeric actuator to apply the force to the second means.
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patent: 3993939 (1976-11-01), Slavin et al.
patent: 4047241 (1977-09-01), Lau et al.
patent: 4055735 (1977-10-01), Eachus
patent: 4257305 (1981-03-01), Friend et al.
patent: 4417294 (1983-11-01), Herron, Jr.
Engstrom Keith A.
Froeb John W.
Buckman Thomas W.
Illinois Tool Works Inc.
Mondul Donald D.
Ruehl Charles A.
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