Hydraulic and earth engineering – Diving – Suit or accessory therefor
Reexamination Certificate
1999-07-20
2001-02-06
Lillis, Eileen D. (Department: 3673)
Hydraulic and earth engineering
Diving
Suit or accessory therefor
C441S117000, C441S129000
Reexamination Certificate
active
06183164
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to hydrostatic balancing jackets for scuba diving.
Traditional balancing jackets consist of a dorsal element ending into two abdominal-pectoral strips and two shoulder strips, which can be linked the ones to the others. Normally, the pectoral-abdominal strips can be inflated, thus allowing the scuba diver to float.
However, there are some drawbacks related to devices of this kind; in particular, the inflation of the two pectoral-abdominal strips, though allowing a good control of the user's trim, creates an evident pressure onto the user's abdomen.
Such problem has been overcome by designing and carrying out balancing jackets whose pectoral-abdominal strips cannot be inflated and whose air chambers are positioned on the dorsal element; such jackets are commonly known as “back-mounted” jackets. In this case, despite the elimination of the inconveniences arising from the arrangement described above, the floating is not so effective as it was before.
SUMMARY OF THE INVENTION
The present invention aims at providing a balancing jacket which, on the one hand, prevents pressure problems for the user, and, on the other, allows an optimal floating under any condition.
The object of the present invention is therefore a hydrostatic balancing jacket, consisting of a dorsal element ending into two shoulder strips and two pectoral-abdominal strips, characterised in that said dorsal element is equipped with two wing-shaped strips on its outer side, said strips being linked to said dorsal element along one of their rims and being symmetrical with respect to the longitudinal axis of the dorsal element, said wing-shaped strips being inflatable.
In one form of embodiment said wing-shaped strips are connected with the inflatable chambers which are located in the pectoral-abdominal strips.
Such wing-shaped strips advantageously form one only lap which is linked to the outer side of the dorsal element, in correspondence with its longitudinal axis.
In one form of embodiment the dorsal element is equipped with a back to which one or more bottles can be connected; the wing-shaped strips are located on the longer sides of the back.
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patent: 5516233 (1996-05-01), Courtney
patent: 5607258 (1997-03-01), Eungard
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patent: 5641247 (1997-06-01), Seligman
patent: 5662433 (1997-09-01), Seligman
patent: 5803667 (1998-09-01), Seligman
patent: 5860769 (1999-09-01), Seligman
patent: 88 01 870 (1988-09-01), None
patent: 0 360 636 (1990-03-01), None
HTM Sport S.p.A.
Larson & Taylor PLC
Lillis Eileen D.
Mayo Tara L.
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