Amphibious backpack

Details Amphibious backpack Amphibious backpack

1989-01-24

1991-05-07

Sholl, Linda J.

Package and article carriers

Carried by animate bearer

Convertible or combined

224209, 224162, 383103, A45F 402

Patent

active

050129643

ABSTRACT:
A backpack for overland and underwater use having a central compartment for a first tightly-sealable sack adapted to contain the user's personal belongings, a rear compartment having a second tightly-sealable sack containing a sheet of foam material usable as a mattress, and a front compartment containing an inflatable bladder adapted to provide the backpack with good floating characteristics such that the backpack can be used as an element for logistic support and/or as a safety element for a skin-diver. The bottom region of the various compartments is provided with drainage for water. The backpack has straps which are capable of attachment in two ways, one for walking, the other for use in water. A line is provided for tethering the backpack to the user when underwater. The backpack is floatable when the bladder is inflated and a signal flag and flashlamp can be displayed.

REFERENCES:
patent: 1251404 (1917-12-01), Mills
patent: 1816262 (1931-07-01), Ritter
patent: 2118708 (1938-05-01), Johnson
patent: 3034596 (1962-05-01), Twaits, Jr.
patent: 3228080 (1966-01-01), Trauger
patent: 3621501 (1971-11-01), Jordan
patent: 3679108 (1972-07-01), Ingram
patent: 4156446 (1979-05-01), Nathan
patent: 4213549 (1980-07-01), Hibbard
patent: 4790463 (1988-12-01), Hansen

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