Underwater repeating spear gun

Details Underwater repeating spear gun Underwater repeating spear gun

1977-07-14

1978-10-31

Jordan, Charles T.

Firearms

With adjustable head space

By reaming

F41C 300, F41F 100

Patent

active

041226216

ABSTRACT:
A repeating spear gun for firing self-propelled spears, the spear gun having a magazine comprising a plurality of spear firing chambers disposed as radial sets of firing chambers, and a bolt having a plurality of firing pins, each firing pin aligned with a firing chamber in the firing path of the bolt. The firing pins are staggered to provide varying firing pin distances to the respective firing chambers positioned in the firing path of the bolt. The firing pins are thereby caused to arrive at the respective firing chambers at different times, and if a spear occupies the firing chamber nearest the bolt, the spear is launched and the exhaust gas therefrom brakes the bolt to prevent firing of a spear contained in another firing chamber. If the firing chamber nearest the bolt is unoccupied, another firing pin will ignitingly impact a spear disposed in another firing chamber of the radial set.

REFERENCES:
patent: 3161976 (1964-12-01), Lambert
patent: 3453763 (1969-07-01), Barr et al.
patent: 3616561 (1971-11-01), Hendricks
patent: 3729853 (1973-05-01), Critcher

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