Load cell having flameproof function

Details Load cell having flameproof function Load cell having flameproof function

1984-09-10

1986-10-28

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

7386265, 177243, G01L 126, G01L 122

Patent

active

046191470

ABSTRACT:
A load cell (24, 31, 40, 51, 58, 62, 64, 68, 92, 96, 97) having flame proof function has a load cell body (2) and a flame proof enclosure (25, 33, 36, 41, 69, 78) for covering at least a strain gage carrying portion (5) of the load cell body (2). A load receiving portion (4) connected with the strain gage carrying portion (5) for transmitting a load to the strain gage carrying portion, projects outwardly from the flame proof enclosure. A gap (30) is defined between a first surface of the load cell body and a second surface of the enclosure, so that the load receiving portion (4) and the strain gage carrying portion (5) are freely movable relative to the enclosure. The size of the gap width W.sub.1 and of the gap length L.sub.1 are selected for realizing the flame proof function.

REFERENCES:
patent: 2414161 (1947-01-01), Moore
patent: 3213680 (1965-10-01), Schaefer
patent: 3363456 (1968-01-01), Laimins
patent: 3763701 (1973-10-01), Wright et al.
patent: 4320809 (1982-03-01), Knuthe et al.

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