Umbrella-like apparatus for closing an unwanted aperture in a su

Details Umbrella-like apparatus for closing an unwanted aperture in a su Umbrella-like apparatus for closing an unwanted aperture in a su

1989-03-31

1990-08-28

Peters, Jr., Joseph F.

Ships

Leak stoppers

135 22, B63B 4316

Patent

active

049515900

ABSTRACT:
Umbrella-like apparatus for closing an unwanted aperture in a substantially panel-like member in an emergency has a longitudinally-extending shaft, a collar mounted on the shaft for sliding movement therealong, and a spring acting between the collar and a fixed abutment on the shaft. A series of arms are each mounted at one end for pivotal movement relative to the shaft, and the collar is moveable from a first position to a second position to cause the arms to move from a first position substantially parallel to the shaft to a second position substantially perpendicular thereto. A flexible covering is secured to the arms and is in a folded condition when the arms are in the first position substantially parallel to the shaft. A manually-operable retainer retains the collar in the first position with the spring in an actuating condition and with the arms in the first position and the flexible covering in the folded condition. The manually-operable retainer is manually releasable to permit the collar to be propelled along the shaft by the spring with resultant movement of the arms from the first position substantially parallel to the shaft to the second position substantially perpendicular thereto with the flexible covering thereby being deployed to an aperture-closing configuration.

REFERENCES:
patent: 5845 (1848-10-01), Seely
patent: 2220085 (1940-11-01), Dirschel
patent: 4736761 (1988-04-01), Warfield

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