Method and apparatus for sealing movable panel and maintaining l

Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition

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361218, H05K 900

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active

049979930

ABSTRACT:
Two sets of filaments (38, 72) are mounted on opposite sides of a discontinuity (6) between a movable or removable panel (4) and adjacent outer skin portions (2) of an aircraft. The filaments (38, 72) have retracted positions in which they are out of engagement with each other. With the filaments (38, 72) retracted, the panel (4) is moved into its use position flush with the outer surface of the skin (2). The filaments (38, 72) are then extended into the discontinuity (6) by a mechanism, such as a cam-ratchet (44) or an inflatable bladder (68). The extended filaments (38, 72) interdigitate to seal the discontinuity (6) and simulate a solid surface across the discontinuity (6).

REFERENCES:
patent: 2905924 (1959-09-01), Peterson
patent: 3172982 (1965-03-01), Reed
patent: 3507974 (1970-04-01), Clark et al.
patent: 3518355 (1970-06-01), Luce
patent: 4177353 (1979-12-01), McCormack
patent: 4239046 (1980-12-01), Ong
patent: 4308417 (1981-12-01), Martin
patent: 4371175 (1983-02-01), Van Dyk, Jr.
patent: 4408255 (1983-10-01), Adkins
patent: 4894489 (1990-01-01), Takahashi et al.
Evans et al., "Compliant EMC Shield for Movable Covers", IBM Technical Disclosure Bulletin, vol. 22, No. 8A, IBM Corporation, Jan. 1980, pp. 3308 and 3309.

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