Measuring and testing – Instrument proving or calibrating – Dynamometer
Patent
1998-07-30
1999-08-31
Raevis, Robert
Measuring and testing
Instrument proving or calibrating
Dynamometer
G01L 2500
Patent
active
059455900
ABSTRACT:
A load testing stand for a hand-held grip dynamometer having a base for securing a dynamometer and a top horizontal plate which seats a dual vertical plunger piston. Loads of various magnitudes are placed on the top plate to check or calibrate the accuracy of the dynamometer. A carrying strap may be attached to a bottom portion of the grip dynamometer for ease of carrying.
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patent: 4798094 (1989-01-01), Newhall et al.
Flood-Joy, Maureen, Mathiowetz, Virgil, Grip-Strength Measurement: A Comparison of Three Jamar Dynamometers, 1995, pp. 235-243. (The Occupational Therapy Journal of Research 7:4).
Fess, Elaine Ewing, The need for reliability and validity in hand assessment instruments, Sep. 1986, pp. 621-623. (The Journal of Hand Surgery, vol. 11A, No. 5).
Radwin, R.G., A linear force-summing han dynamometer independent of point of application, Oct. 1991, pp. 339-340. (Applied Ergonomics 1991, 22.5).
Harkonen, Riita et al., Accuracy of the Jamar Dynamometer, Oct. 1993, 259-262. (Journal of Hand Therapy).
Litman Richard C.
Raevis Robert
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