CROSSBOW Russian patent published in 2017 - IPC F41B5/12 

FIELD: weapons and ammunition.

SUBSTANCE: invention refers to the area of sport weapons. The crossbow contains a bow with a string, a stock, and a tube bed connecting the bow and the stock; the tube bed has two diametrically located longitudinal through spiral grooves; the string is passed through the spiral grooves, whereupon, the spiral grooves are performed with the length at least equal to a magnitude of the string tension stroke. Moreover, a shot arrow is located inside the bed and moved into engagement with the string with the possibility of transition of the axial force and rotation torque to one of the constructional components: by means of the ring slide with two radial holes opened in it, through which the string is passed to the tube inserted into these holes; without the slide, only with the help of a tube mounted on the string with specific supports on it designed for such tube; or directly from the string, either without the slide or without the tube.

EFFECT: simplifying of the design, the reducing of weight and required crossbow power, and the increasing of arrow stability during the flight are achieved.

3 cl, 7 dwg