US 12,259,211 B2
Crossover crossbow
Craig Thomas Yehle, Winona, MN (US)
Assigned to Ravin Crossbows, LLC, Superior, WI (US)
Filed by Ravin Crossbows, LLC, Superior, WI (US)
Filed on Nov. 6, 2023, as Appl. No. 18/387,391.
Application 18/387,391 is a continuation of application No. 17/543,467, filed on Dec. 6, 2021, granted, now 11,808,543.
Claims priority of provisional application 63/122,471, filed on Dec. 7, 2020.
Prior Publication US 2024/0068765 A1, Feb. 29, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F41B 5/12 (2006.01)
CPC F41B 5/123 (2013.01) 20 Claims
OG exemplary drawing
 
1. A crossbow, comprising:
a center rail defining a firing plane;
a string carrier operatively engaged with the center rail;
a first upper flexible limb having a first upper fixed end and a first upper free end, the first upper fixed end coupled with the center rail;
a first lower flexible limb having a first lower fixed end and a first lower free end, the first lower fixed end coupled with the center rail;
a second upper flexible limb having a second upper fixed end and a second upper free end, the second upper fixed end coupled with the center rail;
a second lower flexible limb having a second lower fixed end and a second lower free end, the second lower fixed end coupled with the center rail;
a first cam assembly rotatably coupled to the first upper free end and the first lower free end;
a second cam assembly rotatably coupled to the second upper free end and the second lower free end;
a draw string having a first end coupled to the first cam assembly and a second end coupled to the second cam assembly, the draw string extending across the center rail within the firing plane and selectively engaged with the string carrier;
a first upper power cable having a first end coupled to the first cam assembly and a second end coupled to the second upper flexible limb, the first upper power cable extending vertically above the center rail;
a first lower power cable having a first end coupled to the first cam assembly and a second end coupled to the second lower flexible limb, the first lower power cable extending vertically below the firing plane;
a second upper power cable having a first end coupled to the second cam assembly and a second end coupled to the first upper flexible limb, the second upper power cable extending vertically above the center rail; and
a second lower power cable having a first end coupled to the second cam assembly and a second end coupled to the first lower flexible limb, the second lower power cable extending vertically below the firing plane.
 
10. A crossbow, comprising:
a center rail defining a firing plane;
a string carrier operatively engaged with the center rail;
a first flexible limb having a first fixed end and a first free end, the first fixed end coupled with the center rail;
a second flexible limb having a second fixed end and a second free end, the second fixed end coupled with the center rail;
a first cam assembly rotatably coupled to the first free end of the first flexible limb;
a second cam assembly rotatably coupled to the second free end of the second flexible limb;
a draw string having a first end coupled to the first cam assembly and a second end coupled to the second cam assembly, the draw string extending across the center rail within the firing plane and selectively engaged with the string carrier; and
a string cover coupled with and extending over at least a portion of the center rail;
wherein, during operation of the crossbow as the draw string moves from a de-cocked position to a cocked position, the string carrier and the draw string move in a space bounded by the center rail and the string cover.
 
17. A crossbow, comprising:
a center rail defining a firing plane;
a riser coupled to the center rail;
a first upper flexible limb coupled to the riser;
a first lower flexible limb coupled to the riser;
a second upper flexible limb coupled to the riser;
a second lower flexible limb coupled to the riser;
a first cam assembly rotatably coupled to the first upper flexible limb and the first lower flexible limb, the first cam assembly including a first upper take-up journal and a first lower take-up journal;
a second cam assembly rotatably coupled to the second upper flexible limb the second lower flexible limb, the second cam assembly including a second upper take-up journal and a second lower take-up journal;
a first upper power cable engaged with the first upper take-up journal and having an end coupled to the second upper flexible limb, the first upper power cable extending vertically above the center rail;
a first lower power cable engaged with the first lower take-up journal and having an end coupled to the second lower flexible limb, the first lower power cable extending vertically below the firing plane;
a second upper power cable engaged with the second upper take-up journal and having an end coupled to the first upper flexible limb, the second upper power cable extending vertically above the center rail; and
a second lower power cable engaged with the second lower take-up journal and having an end coupled to the first lower flexible limb, the second lower power cable extending vertically below the firing plane.