# US 2013/0157792 A1 · Apparatus for providing a bloodletting shaft within a hunted animal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0157792 A1 - Document ID: US20130157792A1 - Status: Published application - Kind: A1 - Application number: 13/602,143 - Filed: 2012-09-01 - Published: 2013-06-20 - Earliest claimed: 2011-12-16 - Inventors: Stephen Gendregske - Web page: https://patentgrep.com/patent/US20130157792A1 ## CPC - F42B 6/04: Archery arrows (F42B6/08, F41B5/06, {F42B12/362} take precedence) - F42B: EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION (explosive compositions C06B; fuzes F42C; blasting F42D) ## Abstract A projectile for hunting a game animal includes an outer shaft assembly configured to pass through the animal and a bloodletting assembly configured to remain within the animal. The outer shaft assembly includes a hollow cylindrical shaft including an aperture in a rearward end of the cylindrical shaft and a piercing tip affixed to a front end of the cylindrical shaft. The bloodletting assembly includes an elongated wound resident member configured to be inserted within the aperture of the cylindrical shaft and extend within the hollow cylindrical shaft and a grappling structure affixed to a rearward end of the wound resident member, the grappling structure configured to prevent the bloodletting assembly from passing through the game animal ## Claims ### Claim 1 Apparatus comprising a projectile for hunting a game animal, the projectile comprising: an outer shaft assembly comprising: a hollow cylindrical shaft including an aperture in a rearward end of the cylindrical shaft; and a piercing tip affixed to a front end of the cylindrical shaft; and a bloodletting assembly comprising: an elongated wound resident member configured to be inserted within the aperture of the cylindrical shaft and extend within the hollow cylindrical shaft; and a grappling structure affixed to a rearward end of the wound resident member, the grappling structure configured to prevent the bloodletting assembly from passing through the game animal. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the cylindrical shaft of the outer shaft assembly comprises a smooth, unbroken outer surface configured for aerodynamic flight. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the elongated wound resident member extends within the hollow cylindrical shaft in an axial direction of the wound resident member; and wherein the grappling structure comprises a prong extending perpendicularly to the axial direction of the wound resident member. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the elongated wound resident member extends within the hollow cylindrical shaft in an axial direction of the wound resident member; and wherein the grappling structure comprises a plurality of prongs extending perpendicularly to the axial direction of the wound resident member. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the plurality of prongs are equally spaced around the wound resident member. ### Claim 6 (depends on 4) The apparatus of claim 4, wherein the prongs are curved toward a front end of the wound resident member. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the bloodletting assembly comprises a one piece design. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the bloodletting assembly comprises an outer shaft retention barb. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the bloodletting assembly comprises a rotation indexing feature to set a rotation of the bloodletting assembly with respect to the outer shaft assembly. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein the wound resident member comprises a rod with a bloodletting feature. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the wound resident member comprises a creased tube. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein the hollow cylindrical shaft of the outer shaft assembly comprises a first hollow cylindrical shaft; and wherein the wound resident member comprises a second hollow cylindrical shaft, wherein the second hollow cylindrical shaft comprises a bloodletting feature. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the bloodletting feature comprises a plurality of holes permitting blood flow from outside of the second hollow cylindrical shaft to a hollow interior of the second cylindrical shaft; and wherein the bloodletting assembly comprises an aperture at a rearward end of the bloodletting assembly permitting blood flow from the hollow interior of the second cylindrical shaft through the aperture at the rearward end of the bloodletting assembly. ### Claim 14 (depends on 12) The apparatus of claim 12, wherein the second hollow cylindrical shaft comprises at least one annular groove configured to break if a bending stress is applied to the second hollow cylindrical shaft; and further comprising a second shaft aligner device. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein the second shaft aligner device comprises a wire attached to the second hollow cylindrical shaft in a plurality of locations and configured to keep portions of the second hollow cylindrical shaft proximate to each other when the annular grove breaks. ### Claim 16 (depends on 14) The apparatus of claim 14, wherein the second shaft aligner device comprises polymer sleeve affixed to an outer diameter of the second hollow cylindrical shaft and configured to keep portions of the second hollow cylindrical shaft proximate to each other when the annular grove breaks. ### Claim 17 (depends on 1) The apparatus of claim 1, wherein the projectile enters the game animal in a forward projectile direction; wherein the bloodletting assembly comprises a retention feature preventing the removal of the bloodletting assembly in a rearward projectile direction. ### Claim 18 (depends on 1) The apparatus of claim 1, further comprising a tip adaptor connecting the piercing tip to the cylindrical shaft, the tip adaptor comprising a male portion configured to be inserted within the cylindrical shaft; wherein the male portion of the tip adaptor is configured to secure a front end of the elongated wound resident member when the elongated wound resident member is inserted within the cylindrical shaft. ### Claim 19 (depends on 1) The apparatus of claim 1, wherein the bloodletting assembly comprises a radio transmitter device. ### Claim 20 Apparatus comprising a projectile for hunting a game animal, the projectile comprising: an outer shaft assembly comprising: a first hollow cylindrical shaft including an aperture in a rearward end of the first hollow cylindrical shaft; and a arrowhead tip affixed to a front end of the cylindrical shaft; and a bloodletting assembly comprising: a second hollow cylindrical shaft configured to be inserted within the aperture of the first hollow cylindrical shaft and extend within the first hollow cylindrical shaft; and three prongs affixed to a rearward end of the wound resident member configured to prevent the bloodletting assembly from passing through the game animal.