Adjustable hall effect switch gauge

Details Adjustable hall effect switch gauge Adjustable hall effect switch gauge

1995-03-21

1997-03-04

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

200 56R, 307116, 335205, G08B 2100

Patent

active

056083866

ABSTRACT:
A lighted switch set gauge includes Hall effect devices using a circuit activating switch attached to a lower extension of indicating and switch set pointers. The switch set pointer is externally adjustable. An overriding slip gear with automatic spring-back is incorporated in the switch set arm prevent damage to the set pointer at the extreme ends of its range of movement. The indicating pointer can be calibrated without removing a hub attached to the shaft of the gauge meter movement.

REFERENCES:
patent: 3114903 (1963-12-01), Murphy et al.
patent: 3274491 (1966-09-01), Mulligan et al.
patent: 3578931 (1971-05-01), Murphy et al.
patent: 3586799 (1969-04-01), Murphy, Jr.
patent: 3683135 (1972-08-01), Oliver
patent: 4021627 (1977-05-01), Francisco
patent: 4691185 (1987-09-01), Loubier et al.
patent: 4745811 (1988-05-01), Gray
patent: 4768461 (1988-09-01), Kneitzsch et al.
patent: 4975687 (1990-12-01), Murphy, Jr. et al.
patent: 5080035 (1992-01-01), MacManus
patent: 5121109 (1992-06-01), Murphy, Jr. et al.

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