Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – With receiver and supply securing means
Reexamination Certificate
1998-01-21
2001-02-06
Joyce, Harold (Department: 3749)
Fluent material handling, with receiver or receiver coacting mea
Filling means with receiver or receiver coacting means
With receiver and supply securing means
C141S113000, C454S119000
Reexamination Certificate
active
06182721
ABSTRACT:
BACKGROUND
1. Field of Invention
This invention relates to a pre-conditioned air adapter chute for use on an aircraft.
2. Description of Prior Art
Modern day aircraft require air movement in their cabins as they are parked to keep the cabin in a comfortable temperature range. Ground crews attach a hose with a pre-conditioned air adapter chute to the aircraft that connects to a pre-conditioned air handler unit on the ground.
Ground crews currently attach the adapter chute to the aircraft and then activate the air handler unit. In most cases the hose becomes twisted because the adapter chute is stationary and does not swivel. This requires the ground crew to unhook the adapter chute and straighten the hose manually and then re-attach the adapter chute to the aircraft. This procedure results in inefficient use of manpower.
Also, the current air adapter chutes, while connected to the aircraft, do not provide an airtight seal, resulting in loss of airflow into the aircraft. The current adapters are equipped with a rubber seal which when attached to the aircraft sits flush with the mounting flange on the aircraft. This is designed to seal the airflow from the ground unit to the aircraft. In most cases, however, the seal is broken due to wear and tear of the rubber seal on the adapter.
OBJECTS AND ADVANTAGES
Accordingly, several objects and advantages of my invention are:
(a) to provide an adapter chute which, when attached to an aircraft will, through its swivel motion, keep the air hose from becoming twisted;
(b) to provide an adapter chute which, when connected to an aircraft, will provide for little or no air loss from the ground unit to the cabin of the aircraft;
(c) to provide for a lightweight, durable adapter which will provide for longevity of life and ease of use.
Further objects and advantages of my invention will become apparent from a consideration of the drawings and ensuing description.
REFERENCES:
patent: 2737401 (1956-03-01), Lindsay
patent: 3399545 (1968-09-01), Anderson et al.
patent: 4186946 (1980-02-01), Snow
patent: 5355917 (1994-10-01), Kofflin
patent: 5664951 (1997-09-01), Clary et al.
patent: 5740846 (1998-04-01), Larson et al.
patent: 5927355 (1999-07-01), Kofflin
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