Gas Spring
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United States of America Patent
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N/A
Issued Date -
Apr 16, 2009
app pub date -
Oct 14, 2008
filing date -
Oct 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A stopper member forms a part of a lock mechanism in a gas spring. A rod body has a base end side inserted into a cylinder body, with the rod body movable into and out of the cylinder body and urged in an outward direction with respect to the cylinder body by the pressure of a gas sealed inside the cylinder body. A stopper member receives a head end portion of the cylinder body inside the stopper member. A projecting portion of the stopper member is located on an end face opposite an end portion of the cylinder body. The stopper member can be shifted manually between a first position that allows contraction of the rod body into the cylinder body, and a second position in which such contraction is prevented, thereby locking the gas spring in an extended state.
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