Valve position adjustable lock mechanism

Details Valve position adjustable lock mechanism Valve position adjustable lock mechanism

1998-09-22

2000-02-01

Recla, Henry J.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

137556, 1375563, 251285, 251288, E03B 707

Patent

active

060191295

ABSTRACT:
A valve position adjustable lock mechanism is secured to the handle which is connected to the stem of a valve element to control the position of the valve element and accordingly the size of the opening of the valve element. An indicator ring is secured to the handle and is provided with position indicias thereon to indicate the position of the valve element from a fully open to a fully closed position. An arresting projection arrests the handle at the fully open and fully closed positions. A stopper ring is disposed over the indicator ring and displaceable for engagement and disengagement therewith. The stopper ring has an abutment flange for abutment with a fixed stop element secured to the valve body. The stopper ring has an alignment window to position the abutment means at a desired location selected by the position of the alignment window relative to the position indicias on the indicator ring.

REFERENCES:
patent: 1054623 (1913-02-01), Schreidt
patent: 1283752 (1918-11-01), Haynes
patent: 2247090 (1941-06-01), Jones et al.
patent: 4813455 (1989-03-01), Iqbal

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