Visual indicator

Details Visual indicator Visual indicator

1987-10-15

1989-05-16

Cuchlinski, Jr., William A.

Measuring and testing

Liquid level or depth gauge

116276, 116227, 116270, G01F 2300, G01F 2316

Patent

active

048298204

ABSTRACT:
A gauge or indicator (20) for providing a positive on/off visual indication comprises a lens (22) and a transition mount (24) with a resilient diaphragm (32) secured therebetween to define a sealed chamber therein. The chamber is filled with an opaque liquid (34) and a contrasting plug (36) which is secured to the diaphragm (32) and movable therewith responsive to an actuator stem (38) between an "off" position obscured by the liquid and an "on" position wherein the plug is visible behind the lens (22) upon displacement of the liquid. Additional embodiments (50, and 70) are also disclosed.

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