Valve handle retention system

Details Valve handle retention system Valve handle retention system

1980-03-26

1982-01-19

Schwadron, Martin P.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

24242, 292353, 251318, 403 16, 403316, F16K 4300

Patent

active

043111645

ABSTRACT:
A simple but effective valve assembly is disclosed wherein a valve stem retaining spring clip is mounted within a valve stem removal aperture in the valve handle to prevent inadvertent disassembly of the valve handle from the valve stem. The valve assembly of the present invention includes a valve body having a fluid entrance and a fluid exit; a valve plug longitudinally movable within the valve body and disposed, in a valve closed position, against a valve seat to prevent fluid from entering said valve body; a valve stem disposed longitudinally through the valve body connecting the valve plug to a valve handle assembly; a valve body neck portion for securing the valve handle assembly to the valve body and a valve handle assembly including a valve stem retaining notch and an adjoining valve stem receiving aperture larger than the diameter of a handle connecting portion of the valve stem. The valve handle assembly includes a retention spring disposed within the valve stem receiving aperture so that the handle connecting valve stem portion cannot fit through the aperture freely until sufficient force is applied to the retention spring to force the retention spring radially outwardly from the valve stem receiving aperture.

REFERENCES:
patent: 1951188 (1934-03-01), Flaherty
patent: 2252855 (1941-08-01), Lasch
patent: 3198206 (1965-08-01), O'Brien
patent: 3649057 (1972-03-01), Urciola

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