Measuring and testing – Orthopedic pressure distribution
Patent
1981-07-13
1984-01-10
Myracle, Jerry W.
Measuring and testing
Orthopedic pressure distribution
73 9, 7386253, 7386254, G01M 1900
Patent
active
044247109
ABSTRACT:
A method is disclosed for using a tension gauge for comparing the tension required to move a frictional element relative to the nose of a wearer of a pair of eyeglasses when the frictional element is first disposed between and in frictional contact with a first nose pad of the eyeglasses and a first side of the wearer's nose to the tension required to subsequently move the frictional element relative the wearer's nose when the frictional element is disposed between and in frictional contact with a second nose pad of the eyeglasses and a second side of the wearer's nose. The gauge includes an elongated housing which defines a bore extending along the longitudinal length of the housing, a rod slidably cooperating with the bore and a first end of the rod disposed within the housing. A spring is disposed between the first end of the rod and the housing to bias the rod to a retractable position within the housing. A second end of the rod is disposed externally relative the housing and a clip extends from the second end of the rod. The clip grips the frictional elements such that the tension required to move the frictional element is indicated by the relative movement between the rod and the housing. The gauge is used particularly in determining whether the weight of a pair of eyeglasses exert on the wearer's nose by the nose pads of the eyeglasses is equally distributed on each side of the nose.
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Myracle Jerry W.
Noland Tom
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