Telescoping conduit for pressurized air

Details Telescoping conduit for pressurized air Telescoping conduit for pressurized air

1980-10-27

1982-11-09

Makay, Albert J.

Pipes and tubular conduits

Repairing

138120, 138155, 285302, F24F 7007

Patent

active

043578608

ABSTRACT:
A telescoping conduit for directing air at moderate pressures to a waiting aircraft along a telescoping bridge is disclosed. One telescoping tube is suspended from each segment of the telescoping bridge. The tubes are coaxially supported from the bridge by adjustable brackets. A tube at one end of the bridge is suspended from its bridge segment at both ends of the tube, while the remainder of the tubes are suspended from a single end. This allows the tubes to fully telescopically extend and retract while providing support for the tubes at each end. A sealing portion at one end of the tubes is somewhat flexible to accommodate slight misalignment of the tubes. Also disclosed is a roller cage for centering the nesting tubes so that a wiper seal between the nesting tubes is not damaged.

REFERENCES:
patent: 1824422 (1931-09-01), Badger
patent: 1987372 (1935-01-01), Schellhammer
patent: 2402157 (1946-06-01), Griswold
patent: 2614887 (1952-10-01), Shields
patent: 3399545 (1968-09-01), Anderson et al.
patent: 3399548 (1968-09-01), Burns
patent: 4077592 (1978-03-01), Forbes

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