Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1985-06-20
1987-07-21
Basinger, Sherman D.
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441108, 441115, B63C 916, B63C 918
Patent
active
046815520
ABSTRACT:
A combined life vest device and buoyancy compensator is disclosed for use by divers along with scuba gear including a back pack for mounting a compressed air tank on the back of the diver. One embodiment of the invention comprises a single garment for the diver including inner and outer shells providing abrasion protection with first and second airtight chambers forming respectively a buoyancy compensator adjacent the compressed air tank and a part of life vest surrounding the diver's torso. A conventional power inflator is employed for regulating pressure within the buoyancy compensator. An inflating device for the second chamber preferably includes an interconnection between the two chambers with a one-way check valve so that the second chamber is automatically inflated when pressure in the first chamber exceeds a predetermined level. A rebreathing tube is provided in communication with the second chamber so that the diver may use it as an emergency air supply. In another embodiment, the first chamber is also arranged adjacent the air tank while being separable from the second chamber in order to permit it to remain with the tank. In that embodiment, the first and second chambers are similarly interconnected as described in the first embodiment while also including a quick release coupling to facilitate separation of the chambers.
REFERENCES:
patent: 3436777 (1969-04-01), Greenwood
patent: 3747140 (1973-07-01), Roberts
patent: 4016616 (1977-04-01), Walters
patent: 4137585 (1979-02-01), Wright, III
patent: 4176418 (1979-12-01), Scott
patent: 4324234 (1982-04-01), Maness
Basinger Sherman D.
Bucher John A.
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