Retractable, lever action, scroll seal for a surface effect ship

Details Retractable, lever action, scroll seal for a surface effect ship Retractable, lever action, scroll seal for a surface effect ship

1986-02-24

1987-09-29

Pekar, John A.

Motor vehicles

Surface effect vehicles

180127, B60V 116

Patent

active

046963626

ABSTRACT:
An improved seal design for a Surface Effect Ship, having an inflatable ir seal member, and outer seal member composed of a pliable sheet material scrollably affixed to the hull fore and aft of the inner seal member. The seal may be retracted for hullborne operation by deflating the inner seal member and scrolling the outer seal member tight to hull. The inner seal member has transverse webbing for stability. The outer seal member is periodically scrolled foreward to expose an unworn section to the water surface thereby reducing seal failure due to wear.

REFERENCES:
patent: 3387685 (1968-06-01), Fresh et al.
patent: 3515238 (1970-06-01), Knuth et al.
patent: 3550718 (1970-12-01), Knuth et al.
patent: 3576231 (1969-04-01), Jung
patent: 3776360 (1973-12-01), Anders et al.
patent: 4176729 (1979-12-01), Down
patent: 4303034 (1981-12-01), Tattersall

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