Hydraulic and earth engineering – Diving
Patent
1993-07-07
1994-07-12
Reese, Randolph A.
Hydraulic and earth engineering
Diving
114315, B63B 2152
Patent
active
053282981
ABSTRACT:
An ascent/decompression device for use in diving with an inflatable lift bag, includes a pack for securing the ascent/decompression device on a diving harness worn by a diver; a reel mounted for rotation to the pack and having a decompression line wound thereabout, the decompression line being connected to the lift bag; a cable having a first end and a second loop end; a snap shackle connected with the first end and releasably holding the loop end to secure the cable about a ship wreck, the snap shackle including a main section having an open side, a closure lever pivotally connected to the main section for movement between closed and open positions, and a spring-biased pin for releasably locking the closure lever in the closed position; a first release clip for receiving the decompression line to limit a rate of ascent of the lift bag connected to the decompression line, and being connected to the cable; a second release clip secured to the pack for engaging with the spring-biased pin of the snap shackle; an ascender, connected to the pack, for grabbing onto and moving along the rope in only one direction; a spider for riding along a section of the decompression line extending between the lift bag when inflated and the reel, and for grabbing the ascender, the spider being connectable to a pull line for pulling the spider, and thereby the ascender, upwardly along the section of the decompression line.
REFERENCES:
patent: 3543526 (1970-12-01), O'Neill et al.
patent: 3832746 (1974-09-01), Korsgaard
patent: 4040135 (1977-08-01), Arnold
patent: 5067920 (1991-11-01), Brisky
patent: 5257954 (1993-11-01), Mullisen et al.
Gentile, Gary, (1989), Andrea Doria: Dive to an Era, Philadelphia, Pa.: Gary Gentile Productions, selected pages.
Gentile, Gary, (1992), Ulimate Wreck Diving Guide, Philadelphia, Pa.: Gary Gentile Productions, selected pages.
Gentile, Gary, (1988), Advanced Wreck Diving Guide, Centreville, Md.: Cornell Maritime Press, Inc., selected pages.
Gilliam, Bret & von Maier, Robert, Deep Diving: An Advanced Guide to Physiology, Procedures and Systems, San Diego: Watersport Publishing, Inc., selected pages.
Reese Randolph A.
Ricci John A.
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