Fire extinguisher valve body
AssigneeKidde Fire Protection, LLC
InventorWieslaw Wieczerzak
Life of this patent
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Abstract
A valve body (5) for a cartridge-operated fire extinguisher includes a first socket (51) configured to have an end of a cartridge (11) filled with propellant installed therein; and a latch (57) movable relative to the first socket (51) between a first position and a second position; in the first position the latch (57) is configured to permit an end of a cartridge (11) filled with propellant to be installed within and removed from the first socket (51); and in the second position the latch (57) is configured to engage with an end of a cartridge (11) installed within the first socket (51) to thereby lock and retain the end of the cartridge (11) within the first socket (51).
Claims15
A valve body for a cartridge-operated fire extinguisher, the valve body comprising:
- a first socket configured to have an end of a cartridge installed therein;
- a latch movable relative to the first socket between a first position and a second position;
- and
- fastening means configured to reversibly fasten the latch in the second position;
- wherein in the first position the latch is configured to permit an end of a cartridge to be installed within and removed from the first socket;
- and
- wherein in the second position the latch is configured to directly engage with a cartridge installed within the first socket to thereby lock and retain the cartridge within the first socket;
- and
- wherein the fastening means comprises a screw or bolt having a head and a shank, wherein a threading on the shank is configured to engage with a counterpart threading in a portion of the valve body, and wherein engagement between the threading on the shank and the counterpart threading permits fastening of the latch in the second position.
A valve body for a cartridge-operated fire extinguisher, the valve body comprising:
- a first socket configured to have an end of a cartridge installed therein;
- and
- a latch movable relative to the first socket between a first position and a second position;
- wherein in the first position the latch is configured to permit an end of a cartridge to be installed within and removed from the first socket;
- wherein in the second position the latch is configured to directly engage with a cartridge installed within the first socket to thereby lock and retain the cartridge within the first socket;
- wherein the valve body comprises a second socket configured to have an end of a dip tube installed therein;
- and
- wherein in the first position the latch is configured to permit an end of a dip tube to be installed within and removed from the second socket, and wherein in the second position the latch is configured to engage with a dip tube installed in the second socket to thereby lock and retain the dip tube within the second socket.
A valve body for a cartridge-operated fire extinguisher, the valve body comprising:
- a first socket configured to have an end of a cartridge installed therein;
- and
- a latch movable relative to the first socket between a first position and a second position;
- wherein in the first position the latch is configured to permit an end of a cartridge to be installed within and removed from the first socket;
- wherein in the second position the latch is configured to directly engage with a cartridge installed within the first socket to thereby lock and retain the cartridge within the first socket;
- wherein the valve body comprises a second socket configured to have an end of a dip tube installed therein;
- and
- wherein the second socket comprises a wall configured to surround an end of a dip tube installed therein, and wherein the latch is configured to move through a slot in the second socket wall as it moves between the first position and second position.
Dependencies are inferred from the claim text.