1978-02-08
1980-01-22
Yuen, Henry C.
98 42R, 98 214, F24F 700
Patent
active
041844149
ABSTRACT:
First and second members are provided and include central registered openings formed therethrough. The first and second members are positionable on opposite sides of a panel having a vent opening formed therethrough of a size and shape complementary to and registered with the openings in the first and second members. Connecting structure is connected between the members securing the latter together for frictionally gripping the panel therebetween and the first member defines a tubular member and includes a cup-shaped cover having closed and open ends supported therefrom in position loosely embracing the end of the tubular member remote from the second member. A transverse baffle is supported within the cover spaced between the closed end thereof and the adjacent end of the tubular member and a sleeve member is telescoped within the tubular member and is longitudinally shiftable therein between extended and retracted positions relative to the end of the tubular member adjacent the baffle and displaced toward and away from, respectively, a position abutted against the side of the baffle opposing the adjacent end of the tubular member. Further, the closed end of the cover has air passage openings formed therethrough registered with the baffle.
REFERENCES:
patent: 1606410 (1926-11-01), Frame
patent: 2709402 (1955-05-01), Malm
patent: 2804006 (1957-08-01), Shatkin
patent: 3012812 (1961-12-01), Miller, Jr.
patent: 3031943 (1962-05-01), Steiner
patent: 3062125 (1962-11-01), Henneberger
patent: 3892169 (1975-07-01), Jannot
patent: 4050363 (1977-09-01), Fuerst
Airlette Corporation
Jacobson Harvey B.
O#Brien Clarence A.
Yuen Henry C.
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