Cross bow

Details Cross bow Cross bow

1985-09-20

1987-03-17

Pinkham, Richard C.

Mechanical guns and projectors

Spring

Bow

124DIG1, F41B 500

Patent

active

046498915

ABSTRACT:
An improved cross bow design is disclosed in which the prod is pivotally mounted to the stock for quick disassembly, and the drawstring nocking point is laterally constrained by a slider and track arrangement to insure coordinated prod limb flexing, and allow the plane of the bolt flight path to be spaced above and parallel to the plane of the drawstring and prod. Variable leverage devices are mounted on either side of the stock member drivingly interconnecting the drawstring and prod limb tips, with several embodiments set forth. Each variable leverage device includes rotary elements connected to a drawstring segment and one or more load cables in an opposing relationship to establish prod limb flexing by the drawstring with increasing leverage with advancing draw movement.

REFERENCES:
patent: 1375990 (1921-04-01), Yorgensen
patent: 1827023 (1931-10-01), Keseleff
patent: 1914449 (1933-06-01), Murray
patent: 2842114 (1958-07-01), Duncan
patent: 2963016 (1960-12-01), Andis
patent: 3028851 (1962-04-01), Drake
patent: 3981290 (1976-09-01), Islas
patent: 4169456 (1979-10-01), Van House
patent: 4201182 (1980-05-01), Butler

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