Load cell and weighing apparatus including a strain sensor welde

Details Load cell and weighing apparatus including a strain sensor welde Load cell and weighing apparatus including a strain sensor welde

1994-11-15

1996-07-23

Wong, Peter S.

Weighing scales

Self-positioning

Electrical current generating or modifying

73862632, G01G 314

Patent

active

055391583

ABSTRACT:
A load cell for detecting a load imposed thereon and for improving the productivity thereof. The load cell includes a strain inducing device (1) made of metal and including a strain generating area (6) for generating a strain as a function of the load, and a strain sensor (40) including a metal substrate (41) having a strain detecting element (43) formed thereon for detecting the strain generated at the strain generating area (6) of the strain inducing means (1). The strain sensor (40) is mounted on the strain inducing device (1) with the metal substrate (41) welded thereto.

REFERENCES:
patent: 3745502 (1973-07-01), Watanabe et al.
patent: 3805604 (1974-04-01), Ormond
patent: 4404059 (1983-09-01), Livshits et al.
patent: 4475610 (1984-10-01), Schwarzchild
patent: 4589291 (1986-05-01), Sander
patent: 4657097 (1987-04-01), Griffen
patent: 4785673 (1988-11-01), Aumard
patent: 5220971 (1993-06-01), Farr
patent: 5222398 (1993-06-01), O'Brien
Communication from European Patent Office (Germany), Jan. 30, 1995, translated to English.
HBM Leaflet, "Dehmungsmesstreifen mit Zubehor", Oct. 1986.
Extract Translation of "Dehmungsmesstreifen mit Zubehor", p. 29, first 2 paragraphs, Mar. 15, 1995.
Japanese Abstract Vo. 5 No. 134 (P-77) (806), Aug. 26, 1981 56-72323, dated Jun. 16, 1981.

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