Nizov's shooting bow

F - Mech Eng,Light,Heat,Weapons – 41 – B

Patent

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Details

F41B 5/12 (2006.01)

Patent

CA 2146267

A shooting bow is employed for shooting in sport events and for game shooting. Said shooting bow compri- ses a main part (1), arms (2), convex in the direction of shooting, pulleys (3), fastened to free tips of said arms (2), a bowstring (4) passing via said pulleys (3), a frame (5), mounting the main part (1) and a trigger me- chanism (6). On said frame (5) there are fastened a guide (8) of a carriage (7), made up with a track (15), a groo- ve for said bowstring (4) and cutouts (12), the number of which corresponds to the number of fletchings (14) of an arrow (9). Said arms (2) are made to satisfy the condi- tion that the total impulse of the systems "arms-pulleys" and "arrow-carriage" at each instant of arms straighte- ning, approaches zero.

On peut utiliser l'arbalète dans le tir de sport ainsi que pour chasser. Elle comprend un élément central (1), des membres (2) courbés dans la direction de tir, des poulies (3) fixées aux extrémités libres des membres (2), un câble (4) passant sur les poulies (3), ainsi qu'un fût (5) sur lequel sont montés l'élément central (1) ainsi qu'un mécanisme de libération (6). Le fût est doté d'une voie (8) destinée à la coulisse (7), ladite voie étant dotée d'une gorge (15), d'un canal situé au-dessous du câble (4) et d'encoches (12) dont le nombre est égal au nombre de lobes (14) sur le trait (9). Les membres (2) sont conçus de manière que la somme des forces du système "membres-poulies" et "trait-coulisse", à n'importe quel moment lorsque les membres sont redressés, tendent vers zéro.

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