F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 9/34 (2006.01) F16F 9/02 (2006.01) F16F 9/43 (2006.01) F16K 15/06 (2006.01)
Patent
CA 2287434
A gas spring has a casing defining a chamber constructed to be filled with a gas under pressure, a piston rod received in the chamber for reciprocation between extended and retracted positions and having a free end projecting beyond the casing, a gas fill passage formed in the casing and through which pressurized gas is admitted into the chamber and a filler valve disposed in the fill passage to selectively permit the flow of gas through the fill passage. The filler valve has a body with a passage formed therethrough, a valve seat defined in the passage between opposed ends of the body and a poppet received in the passage and engageable with the valve seat to selectively permit gas flow through the filler valve and hence through the fill passage of the gas spring casing. The filler valve body preferably has mechanical threads formed in its exterior and constructed to be mated with complementary threads in the gas fill passage to firmly and releasably hold the filler valve within the fill passage. Preferably, an O- ring carried by the valve body provides a gas-tight seal between the valve body and the fill passage within a generally cylindrical portion of the fill passage. The valve body preferably has one or more integral tabs which retain the poppet within the valve body in assembly.
Diebolt International Inc.
Marks & Clerk
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