Fuel cap
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United States of America Patent
Stats
-
Oct 16, 2007
Grant Date -
Jan 20, 2005
app pub date -
Jul 2, 2004
filing date -
Jul 18, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a fuel cap having a high operability while maintaining the air-tightness thereof at a necessary and sufficient level. The closure includes a closure body having a head portion, a trunk portion and an annular trunk surface having stopper projections; a seal ring; a sleeve; a coiled spring; and an engagement member having engagement projections. The fuel cap is formed by assembling the seal ring around the annular surface of the trunk portion of the closure body and the sleeve with the trunk portion in the mentioned order, interposing the coiled spring between the sleeve and engagement member, and connecting the engagement member to the trunk portion of the closure body.
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