Portable scale with load cell

Details Portable scale with load cell Portable scale with load cell

1993-07-19

1995-08-08

Wong, Peter S.

Weighing scales

Self-positioning

Electrical current generating or modifying

177229, 73862627, G01G 314, G01G 308

Patent

active

054400783

ABSTRACT:
A load cell for scales and the like has an elongated bar having opposite sides, sloped ends and a removable top portion. A pair of load cells are mounted within the housing with each load cell comprising an elongated bar having opposite ends, opposite sides, a center portion, and top and bottom surfaces. The bar has cavity openings extending into the sides thereof adjacent each of the opposite ends. A strain gauge is mounted in each of the cavity openings and is sensitive to deflection of the bar caused by weight exerted on the top surface of the bar. Each of the strain gauges are connected to a visual readout apparatus which collectively reflects the loads imposed upon the bars. A cantilever support element is positioned on the bottom surface of the bars and has a length less than the bars to create a space below the bottom thereof and a support surface upon which the cantilever support bar is positioned to suspend the ends of the bar in cantilever fashion.

REFERENCES:
patent: 4203497 (1980-05-01), Harris
patent: 4492279 (1985-01-01), Speckhart
patent: 4714121 (1987-12-01), Kroll et al.
patent: 4763740 (1988-08-01), Pattern
patent: 4775018 (1988-10-01), Kroll et al.

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