Vapor guard for vapor recovery system
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United States of America Patent
Stats
-
Nov 22, 1994
Grant Date -
N/A
app pub date -
Nov 18, 1993
filing date -
Nov 18, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vapor guard mounted on a gasoline dispenser nozzle includes a collapsible resilient section which provides a limited expansion force enabling the use of a standard gasoline dispenser retainer spring to catch on the vehicle fill pipe flange for hands-free fuel dispensing and straight-pull removal. The expansion force of the collapsible resilient section also is limited to ensure the existence of non-sealing contact between the end of the vapor guard and the fill pipe flange. The vapor guard is sized and positioned on the dispenser to enable the user to see the end of the nozzle as it is inserted into the vehicle fill pipe and aligned with a nozzle port in a restricter plate located in the fill pipe.
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