Self-cleaning electrical contact for gages

Details Self-cleaning electrical contact for gages Self-cleaning electrical contact for gages

1975-10-24

1977-05-03

Scott, James R.

Electricity: circuit makers and breakers

Special application

Indicating instrument

200241, 200267, 200283, G01D 1326, H01H 100

Patent

active

040216276

ABSTRACT:
A self-cleaning or wiping switch contact for use on machinery monitoring gages embodies a spring contact arm mounted directly on the gage movable pointer for wiping coaction with either high or low adjustable set contacts of the gage.

REFERENCES:
patent: 1879349 (1932-09-01), Lederer
patent: 2839626 (1958-06-01), Knudsen
patent: 3002074 (1961-09-01), Eadie, Jr.
patent: 3042840 (1962-07-01), Eadie, Jr.
patent: 3114903 (1963-12-01), Murphy et al.
patent: 3157755 (1964-11-01), Hammond et al.
patent: 3570931 (1971-05-01), Murphy et al.
patent: 3586799 (1971-06-01), Murphy, Jr.

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