Self-centering anti-dry fire device for a crossbow
A self-centering anti-dry fire device for a crossbow n improved crossbow lock mechanism assembly includes a trigger housing, a string latch, a seer lever, a combination arrow self-centering anti-dry fire and seer lock lever, a trigger and a safety slide bar. An arrow cavity is formed in a top of the combination arrow self-centering anti-dry fire and seer lock lever. A cross section of the arrow cavity may have a “V” shape, a curved shape, a notch shape or any other suitable shape. The arrow cavity ensures that the arrow shaft is centered relative to a centerline of a barrel of the crossbow.
1. A self-centering anti-dry fire device for a crossbow comprising:
a string latch is capable of holding a string;
a seer lever is in contact with said string latch for preventing a release of the string from said string latch, said seer lever is not in contact with said string latch to allow a release of the string from said string latch; and
a seer lock lever includes an arrow cavity formed in a top surface thereof, said seer lock lever is engaged with said seer lever in a non-firing position, said lock lever is not engaged with said seer lever in a fire position, wherein an arrow shaft is retained in said arrow cavity, the arrow shaft is centered by said arrow cavity before firing.
2. The self-centering anti-dry fire device for a crossbow of claim 1 wherein:
said arrow cavity has a “V” shaped cross section.
3. The self-centering anti-dry fire device for a crossbow of claim 1 wherein:
said arrow cavity has a curved cross sectional shape.
4. The self-centering anti-dry fire device for a crossbow of claim 1 wherein:
said arrow cavity has a notch cross sectional shape.
5. The self-centering anti-dry fire device for a crossbow of claim 1 wherein:
said string latch, said seer lever and said seer lock lever are pivotally retained in a trigger housing.
6. A self-centering anti-dry fire device for a crossbow comprising:
a string latch includes a seer notch, said string latch is capable of holding a string;
a seer lever includes a latch projection and an anti-dry firing projection, said latch projection is engaged with said seer notch to prevent a release of the string from said string latch, said latch projection is not in contact with said seer notch to allow a release of the string from said string latch; and
a seer lock lever includes an arrow cavity formed in a top surface thereof and a latch finger, said latch finger is engaged with said anti-dry firing projection in a non-firing position, said latch finger is not engaged with said seer lever in a fire position, wherein an arrow shaft is retained in said arrow cavity, the arrow shaft is centered by said arrow cavity before firing.
7. The self-centering anti-dry fire device for a crossbow of claim 6 wherein:
said arrow cavity has a “V” shaped cross section.
8. The self-centering anti-dry fire device for a crossbow of claim 6 wherein:
said arrow cavity has a curved cross sectional shape.
9. The self-centering anti-dry fire device for a crossbow of claim 6 wherein:
said arrow cavity has a notch cross sectional shape.
10. The self-centering anti-dry fire device for a crossbow of claim 6 wherein:
said string latch, said seer lever and said seer lock lever are pivotally retained in a trigger housing.
11. A self-centering anti-dry fire device for a crossbow comprising:
a string latch is capable of holding a string;
a seer lever is in contact with said string latch for preventing a release of the string from said string latch, said seer lever is not in contact with said string latch to allow a release of the string from said string latch;
a seer lock lever includes an arrow cavity formed in a top surface thereof, said seer lock lever is engaged with said seer lever in a non-firing position, said lock lever is not engaged with said seer lever in a fire position, wherein an arrow shaft is retained in said arrow cavity, the arrow shaft is centered by said arrow cavity before firing; and
a trigger is engaged with said seer lever, wherein pulling said trigger releases said string latch.
12. The self-centering anti-dry fire device for a crossbow of claim 11 wherein:
said arrow cavity has a “V” shaped cross section.
13. The self-centering anti-dry fire device for a crossbow of claim 11 wherein:
said arrow cavity has a curved cross sectional shape.
14. The self-centering anti-dry fire device for a crossbow of claim 11 wherein:
said arrow cavity has a notch cross sectional shape.
15. The self-centering anti-dry fire device for a crossbow of claim 11 wherein:
said string latch, said seer lever, said seer lock lever and said trigger are pivotally retained in a trigger housing.