Gas spring with an anti-rattle piston assembly
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United States of America Patent
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Feb 5, 1991
Grant Date -
N/A
app pub date -
Dec 28, 1989
filing date -
Dec 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Rattling of the piston against the tube in a gas spring due to transient lateral loads on the piston are inhibited by engagement of the base of the piston ring groove with internal projections of a serrated inner edge of the sealing ring. Assurance against seizure of the sealing ring to the piston and preservation of a minimum width of the face seal between the sealing ring and the ringland to ensure against leakage are provided.
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