Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Patent
1997-04-14
1998-09-01
Basinger, Sherman
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
441115, B63C 9125
Patent
active
058002286
ABSTRACT:
The instant invention offers a permanently wearable self-rescue system for free divers and others engaged in aquatic pursuits to recover to the surface of the water if they should become disabled for any reason. Prior to or during ascent from a dive, if the free-diver has any feeling of insecurity or danger or just wants to insure a totally safe ascent, he or she arms a trigger mechanism that is preferably held in the armed position by the diver's hand grip. If the free-diver should lose consciousness or otherwise be incapacitated, his or her hand grip is released and the trigger mechanism is actuated which results in a resiliently biased puncture pin being propelled to puncture a gas cartridge. Pressurized gas from the cartridge is then directed to an ergonomically designed inflatable bladder garment. The bladder garment is especially designed so that it offers little hydrodynamic resistance when underwater and thus is compatible with the frequent dives taken by free-divers during a typical outing. Further, a locking pin is provided so that the puncture pin can be maintained in a locked or standby position when the free diver does not require or does not want activation of the self-rescue system such as would be the case during normal dives, surface intervals, temporary storage, etc. This locking pin can be either manually or automatically disengaged at any time by the user.
REFERENCES:
patent: 3266668 (1966-08-01), Davis
patent: 3890662 (1975-06-01), Roberts
patent: 4097947 (1978-07-01), Kiefer
patent: 4905857 (1990-03-01), Her
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