F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 9/02 (2006.01)
Patent
CA 2049570
A gas spring comprises a first bypass with a one- way valve that allows fluid to bypass the piston when the piston moves outward, a second bypass with a spring-biased valve that allows fluid to bypass the piston when the piston is pushed inward with a force exceeding the combined gas-spring and spring-biased valve forces, and a third bypass having a temperature- responsive valve that allows fluid to bypass the piston when the rod is pushed in but only when the temperature of the gas exceeds a selected level. The second and third bypasses and the spring-biased and temperature- responsive valves are incorporated into in a valve body that is affixed to the side of the piston that faces the closed end of the cylinder.
Staton Richard D.
Zambelli Robert G.
Fichtel & Sachs Industries Inc.
Gowling Lafleur Henderson Llp
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