Mechanical guns and projectors – Spring – Elastic band
Reexamination Certificate
2005-05-24
2005-05-24
Ricci, John A. (Department: 3712)
Mechanical guns and projectors
Spring
Elastic band
C124S020300, C124S025000
Reexamination Certificate
active
06895950
ABSTRACT:
A crossbow-type underwater gun having resilient propulsion comprising at least two bungee type side resilient cords (8), the gun being characterized in that it includes a device for stretching the resilient cords (8) comprising a moving head piece (11) to which the first fixing elements (111, 112) can be fixed, the head piece (11) being suitable for sliding along the front portion of the spear support element (2); and a lever arm (10) cooperating with a rod (12) via a thrust and retaining device (13, 14, 23, 24) in such a manner as to enable the resilient cords (8) to be stretched by performing a succession of pivoting actions of the lever arm (10) between an initial position (B1) and a thrusted position (B2).
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Gillet Jean-Claude
Leroux Jacques
Cohen, Pontani, Liberman & Pavane
Ricci John A.
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