Adjustable set point signalling gauge

Details Adjustable set point signalling gauge Adjustable set point signalling gauge

1990-09-12

1992-06-09

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

335205, 335206, 357 26, G08B 2100

Patent

active

051211092

ABSTRACT:
An adjustable signalling gauge may utilize a non-captivating, magnetically actuated switch element which is mounted in an influence zone of the path of a magnet carried by an indicating pointer of a gauge. The gauge may be easily adjusted by an indirect adjustment mechanism. The adjustment may be by a reducing gear. Indirect adjustment effectively allows a reduction in the torque required to change the switching threshold.

REFERENCES:
patent: 2923786 (1960-02-01), Jones
patent: 3129416 (1964-04-01), Freedman
patent: 4482884 (1984-11-01), Hauschild et al.
patent: 4616851 (1986-09-01), Hines
patent: 4975687 (1990-12-01), Murphy, Jr. et al.

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