Underwater fishing harpoon with splay fins and hook-line clamp

摘要

The harpoon housing (8) is stepped and smaller in diameter than its end section (9) and also smaller than that of the fin (5) housing (1). The diameter of the bushing bore (14) is increased to that of the end section in this direction and the bushing has external projections (13) acting as stabilisers to which are fitted the hook-line (12) clamp (11). Elastic vanes (17) projecting from the rear endface of the end section work with the harpoon barrel and slot into recesses in this. The fins come in plate form symmetric to the harpoon axis and are fitted out with end wings (7) and teeth (6) so the wings protrude when the fins are retracted into the housing and so exert a stabilising effect.