Air vent system

Details Air vent system Air vent system

1991-11-18

1992-11-10

Nilson, Robert G.

Ventilation

Vehicle

Aircraft

251100, 251351, 251353, 454152, 454154, 454323, B60H 126

Patent

active

051620189

ABSTRACT:
An air vent system having an inner tube slidably disposed within a liner. A lock mechanism is mounted at one end of the inner tube. A lock pin is disposed at one end of the liner and is constructed to engage the lock mechanism such that the air vent system can be selectively moved between an open position and a closed position.

REFERENCES:
patent: 1299480 (1919-04-01), Kirby
patent: 1579567 (1926-04-01), Schriner
patent: 2058659 (1936-10-01), Bellanca
patent: 2524974 (1950-10-01), Hickmott

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