Bathroom scale

Weighing scales – Self-positioning – Electrical current generating or modifying

Patent

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Details

338 2, G01G 314, G01L 122

Patent

active

047654228

ABSTRACT:
A scale wherein a platform is mounted on and is movable and/or deformable with reference to a base in response to the application of a load, such as the weight of a person standing on the platform. A strain gauge is mounted on a plate-like carrier on the base or directly at the underside of the platform, and its resistor is a thick film conductor whose resistance changes proportionally with the magnitude of the load which is applied to the platform. Such change of resistance is used to change the position of a pointer with reference to a scale which is calibrated to indicate the magnitude of the applied load.

REFERENCES:
patent: 2899191 (1959-08-01), Hunt
patent: 4313510 (1982-02-01), Tomlinson, Jr.
patent: 4433741 (1984-02-01), Ryckman, Jr.
patent: 4545881 (1985-10-01), Shinmi et al.
patent: 4586018 (1986-04-01), Bettman

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