Measuring and testing – Barometer
Patent
1985-11-19
1987-03-10
Ruehl, Charles A.
Measuring and testing
Barometer
177245, A61B 522, G01G 1950
Patent
active
046482725
ABSTRACT:
A scale selectively operative in a weighing mode to measure body weight and in a strength mode to measure muscular strength. The scale includes a base which rests on the ground, above which is a depressible platform to compress a spring interposed between the platform and the base. The degree to which the spring is compressed, either by the platform or by the base, is converted into an analog or digital readout. Anchored on the base and extending through an opening in the platform is an upright post terminating in a handle that is elevated relative to the platform. Also provided is an adjustable stop which is coupled to the platform. When actuated, the stop engages the ground to prevent depression of the platform. In the weighing mode, the stop is disabled, and when an individual steps on the platform, the resultant readout indicates his body weight. In the strength mode, the stop is actuated, and when the individual steps on the platform and then exerts an upward force on the handle in accordance with his strength, the resultant readout is indicative of strength and is independent of body weight.
REFERENCES:
patent: 712072 (1902-10-01), Jordan
patent: 750819 (1904-02-01), Cummings
patent: 4113039 (1978-09-01), Ozaki et al.
patent: 4301879 (1981-11-01), Dubow
Ebert Michael
Ruehl Charles A.
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