Aircraft fueling nozzle having improved lock pins
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Jan 29, 1996
filing date -
Jan 29, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An aircraft fueling nozzle includes a nozzle body supporting a valve seal and valve poppet movable between an open and closed position. The nozzle body supports a trio of extending index pins together with a trio of spring-biased movable lock pins extending toward the receptacle end of the nozzle body. A nozzle collar is rotatably supported by the nozzle body and defines a trio of inwardly extending inclined ribs which receive and engage a conventional fueling adapter upon a to-be-fueled aircraft. A lock pin alignment ring is secured upon the upper edge of the nozzle body and defines apertures through which the index pins and lock pins extend. The apertures receiving the lock pins are elongated defining straight parallel sides while the apertures receiving the index pins are circular. The lock pins define a cylindrical portion received within a bore formed in the nozzle body and an upper end defining parallel flat sides and a pair of opposed shoulder portions at the intersection of the flat sides and the cylindrical portion. The upper end of the lock pins is reduced in size and offset from the pin center line to provide clearance of the lock pin within the nozzle collar.
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