Seal for aircraft boarding stairs or boarding bridge

Details Seal for aircraft boarding stairs or boarding bridge Seal for aircraft boarding stairs or boarding bridge

2008-04-22

2008-04-22

Addie, Raymond W (Department: 3671)

Bridges

Gangway, ramp, or dock leveler

Attached

Reexamination Certificate

active

11506972

ABSTRACT:
The Object of the invention as a seal for aircraft boarding stairs or for an aircraft boarding bridge, said seal comprising a U-shaped bellows (5) spanning a gangway bottom plate (10), said bellows (5) comprising a flexible frame (3) at its one open end, said flexible frame having a bumper (4) made from an elastically resilient material, whereby the bellows (5) is separable.

REFERENCES:
patent: 5421052 (1995-06-01), Koch
patent: 5603343 (1997-02-01), Larson
patent: 6418582 (2002-07-01), Petit
patent: 7069611 (2006-07-01), Larson
patent: 2004/0211014 (2004-10-01), Larson
patent: 30 23 885 (1982-01-01), None
patent: 33 06 109 (1983-09-01), None

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