Position indicating apparatus

Details Position indicating apparatus Position indicating apparatus

1991-12-02

1993-05-25

Yasich, Daniel M.

Signals and indicators

Indicators

Rectilinear indicator with actuating means

116277, 137553, F16K 3700, G01L 1912

Patent

active

052130576

ABSTRACT:
A position indicator apparatus for a valve of the type having a valve housing and a valve element, includes an actuator spindle fixedly secured to the valve element of the valve and an indicator spindle operatively connected to the actuator spindle. The indicator spindle is guided in a bush which is provided with an external thread for engagement to the valve housing of the valve. The upper end of the indicator spindle is provided with a complementary ribbed crown which protrudes a ribbed stationary guide member. A stroke of the valve element is transmitted to the actuator valve which in turn forces the indicator spindle upwards so that the ribbed crown moves past the perimeter of the guide member for displaying the respective position of the valve.

REFERENCES:
patent: 3451423 (1969-06-01), Priesa
patent: 3532069 (1970-10-01), Morgan
patent: 4020784 (1977-05-01), Greene
patent: 4448148 (1984-05-01), Gain, Jr.
patent: 4450861 (1984-05-01), Bouteille
patent: 4654643 (1987-03-01), Meisenheimer, Jr.
patent: 4736671 (1988-04-01), Drorz

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