IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0789138
(2013-03-07)
|
등록번호 |
US-8806792
(2014-08-19)
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발명자
/ 주소 |
- Yan, Yuedong
- Ding, Tai-Lai
|
출원인 / 주소 |
|
대리인 / 주소 |
Honigman Miller Schwartz and Cohn LLP
|
인용정보 |
피인용 횟수 :
28 인용 특허 :
6 |
초록
▼
A firearm handguard assembly attachable to a receiver of a barrel of a firearm is disclosed. The firearm handguard assembly includes a barrel nut member, a locking sleeve member, a firearm handguard member and a plurality of fasteners. The locking sleeve member is disposed within an axial passage fo
A firearm handguard assembly attachable to a receiver of a barrel of a firearm is disclosed. The firearm handguard assembly includes a barrel nut member, a locking sleeve member, a firearm handguard member and a plurality of fasteners. The locking sleeve member is disposed within an axial passage formed by the barrel nut member. A plurality of radial passages of the locking sleeve member are aligned with a plurality of radial passages of the barrel nut member. The firearm handguard member is arranged about the barrel nut member and the locking sleeve member such that the barrel nut member and the locking sleeve member are arranged within an axial passage of the firearm handguard member. The plurality of fasteners join the firearm handguard member to the barrel nut member and the locking sleeve member.
대표청구항
▼
1. A firearm handguard assembly attachable to a receiver of a barrel of a firearm, comprising: a barrel nut member;a locking sleeve member disposed within an axial passage formed by the barrel nut member, wherein a plurality of radial passages of the locking sleeve member are aligned with a pluralit
1. A firearm handguard assembly attachable to a receiver of a barrel of a firearm, comprising: a barrel nut member;a locking sleeve member disposed within an axial passage formed by the barrel nut member, wherein a plurality of radial passages of the locking sleeve member are aligned with a plurality of radial passages of the barrel nut member;a firearm handguard member arranged about the barrel nut member and the locking sleeve member such that the barrel nut member and the locking sleeve member are arranged within an axial passage of the firearm handguard member, wherein a plurality of radial passages of the firearm handguard member are aligned with the plurality of radial passages of the locking sleeve member and the plurality of radial passages of the barrel nut member;a plurality of fasteners extending through the plurality of radial passages of the barrel nut member, the locking sleeve member and the firearm handguard member for joining the firearm handguard member to the barrel nut member and the locking sleeve member. 2. The firearm handguard assembly of claim 1, wherein the plurality of fasteners are inserted: firstly through the plurality of radial passages of the firearm handguard member, then secondly through the plurality of radial passages of the barrel nut member and then thirdly through the plurality of radial passages of the locking sleeve member for joining the firearm handguard member to the barrel nut member and the locking sleeve member. 3. The firearm handguard assembly of claim 1, wherein the plurality of radial passages of the locking sleeve member extend through a thickness of the locking sleeve member such that the plurality of radial passages of the locking sleeve member are in fluid communication with an axial passage that extends through the length of the locking sleeve member. 4. The firearm handguard assembly of claim 1, wherein the plurality of radial passages of the firearm handguard member extend through a thickness of the firearm handguard member such that the plurality of radial passages of the firearm handguard member are in fluid communication with an axial passage that extends through the length of the firearm handguard member. 5. The firearm handguard assembly of claim 1, wherein the plurality of radial passages of the barrel nut member includes a first radial passage, a second radial passage, a third radial passage and a fourth radial passage, wherein the first radial passage and the second radial passage are arranged in an opposing relationship to thereby define the substantially tube-shaped body to include a first substantially circumferential passage, wherein the third radial passage and the fourth radial passage are arranged in an opposing relationship to thereby define the substantially tube-shaped body to include a second substantially circumferential passage, wherein the first substantially circumferential passage and the second substantially circumferential passage are spaced apart by a first spaced-apart distance. 6. The firearm handguard assembly of claim 5, wherein the plurality of radial passages of the locking sleeve member include six radial passages defined by: a first pair of radial passages defined by a first radial passage and a second radial passage,a second pair of radial passages defined by a third radial passage and a fourth radial passage, anda third pair of radial passages defined by a fifth radial passage and a sixth radial passage, wherein each passage of the first, second and third pairs of passages of the locking sleeve member are spaced apart by a second spaced-apart distance, wherein the second spaced-apart distance is approximately equal to the first spaced-apart distance. 7. The firearm handguard assembly of claim 6, wherein each of the first pair of radial passages of the locking sleeve member and the third pair of radial passages of the locking sleeve member are offset by approximately 90° from the second pair of radial passages of the locking sleeve member. 8. The firearm handguard assembly of claim 7, wherein the first pair of radial passages of the locking sleeve member are arranged at a “3 o'clock position” of the locking sleeve member, wherein the second pair of radial passages of the locking sleeve member are arranged at a 6 o'clock position of the locking sleeve member, wherein the third pair of radial passages of the locking sleeve member are arranged at a “9 o'clock position” of the locking sleeve member. 9. The firearm handguard assembly of claim 6, wherein the plurality of radial passages of the firearm handguard member include six radial passages defined by: a first pair of radial passages defined by a first radial passage and a second radial passage,a second pair of radial passages defined by a third radial passage and a fourth radial passage, anda third pair of radial passages defined by a fifth radial passage and a sixth radial passage, wherein each passage of the first, second and third pairs of passages of the firearm handguard member are spaced apart by a third spaced-apart distance, wherein the third spaced-apart distance is approximately equal to each of the second spaced-apart distance and the first spaced-apart distance. 10. The firearm handguard assembly of claim 9, wherein each of the first pair of radial passages of the firearm handguard member and the third pair of radial passages of the firearm handguard member are offset by approximately 90° from the second pair of radial passages of the firearm handguard member. 11. The firearm handguard assembly of claim 10, wherein the first pair of radial passages of the firearm handguard member are arranged at a “3 o'clock position” of the firearm handguard member, wherein the second pair of radial passages of the firearm handguard member are arranged at a “6 o'clock position” of the firearm handguard member, wherein the third pair of radial passages of the firearm handguard member are arranged at a “9 o'clock position” of the firearm handguard member. 12. The firearm handguard assembly of claim 1, wherein the barrel nut member is defined by a substantially tube-shaped body having a distal end surface, a proximal end surface, an inner axial passage surface and an outer side surface. 13. The firearm handguard assembly of claim 12, wherein each radial passage of the plurality of radial passages of the barrel nut member defines an arcuate-shaped dimension that extends along slightly less than about 180° of the substantially tube-shaped body. 14. The firearm handguard assembly of claim 12, wherein the inner axial passage surface of the barrel nut member includes a threaded surface portion that corresponds to and is threadingly-connectable with a threaded surface of the receiver of the firearm. 15. The firearm handguard assembly of claim 12, wherein the substantially tube-shaped body defines the barrel nut member to include a length including a first length portion extending away from the distal end surface of the substantially tube-shaped body and a second length portion extending away from the proximal end surface of the substantially tube-shaped body, wherein the substantially tube-shaped body defines a thickness of the barrel nut member extending between the inner axial passage surface and the outer side surface, wherein the inner axial passage surface of the barrel nut member defines the axial passage of the barrel nut member that extends through the length of the barrel nut member between the distal end surface of the substantially tube-shaped body and the proximal end surface of the substantially tube-shaped body, wherein the axial passage of the barrel nut member is permitted by a distal axial opening formed by the distal end surface of the substantially tube-shaped body and a proximal axial opening formed by the proximal end surface of the substantially tube-shaped body. 16. The firearm handguard assembly of claim 15, wherein the first length portion of the barrel nut member includes the plurality of radial passages of the barrel nut member, wherein the plurality of radial passages extend through the thickness of the barrel nut member such that the plurality of radial passages are in fluid communication with the axial passage that extends through the length of the barrel nut member. 17. The firearm handguard assembly of claim 1, wherein the locking sleeve member forms a radial passage that extends along an entire length locking sleeve member. 18. The firearm handguard assembly of claim 17, wherein the radial passage is arranged at a 12 o'clock position of the locking sleeve member. 19. The firearm handguard assembly of claim 1, wherein the locking sleeve member is defined by a substantially circumferential lip portion, anda substantially tube-shaped body portion connected to the substantially circumferential lip portion, wherein the substantially circumferential lip portion defines a distal end surface of the locking sleeve member, wherein the substantially tube-shaped body portion defines a proximal end surface of the locking sleeve member, wherein both of the substantially circumferential lip portion and the substantially tube-shaped body portion define an inner axial passage surface of the locking sleeve member, wherein both of the substantially circumferential lip portion and the substantially tube-shaped body portion define an outer side surface of the locking sleeve member, wherein the substantially circumferential lip portion includes a ledge surface that connects a first portion of the outer side surface that is defined by the substantially circumferential lip portion to a second portion of the outer side surface that is defined by the substantially tube-shaped body portion, wherein the ledge surface demarcates the substantially circumferential lip portion from the substantially tube-shaped body portion. 20. The firearm handguard assembly of claim 19, wherein the locking sleeve member includes a length, wherein the substantially circumferential lip portion of the locking sleeve member defines a first length portion of the length of the locking sleeve member that extends away from the distal end surface of the locking sleeve member, wherein the substantially tube-shaped body portion of the locking sleeve member defines a second length portion of the length of the locking sleeve member that extends away from the proximal end surface of the locking sleeve member, wherein the substantially circumferential lip portion defines a first thickness of the locking sleeve member extending between the inner axial passage surface and the outer side surface, wherein the substantially tube-shaped body portion defines a second thickness of the locking sleeve member extending between the inner axial passage surface and the outer side surface, wherein the first thickness of the locking sleeve member is greater than the second thickness of the locking sleeve member. 21. The firearm handguard assembly of claim 20, wherein the inner axial passage surface of the locking sleeve member defines an axial passage that extends through the length of the locking sleeve member between the distal end surface of the locking sleeve member and the proximal end surface of the locking sleeve member, wherein access to the axial passage of the locking sleeve member is permitted by a distal axial opening formed by the distal end surface of the substantially circumferential lip portion and a proximal axial opening formed by the proximal end surface of the substantially tube-shaped body portion. 22. The firearm handguard assembly of claim 1, wherein the firearm handguard member is defined by a substantially tube-shaped body having a distal end surface, a proximal end surface, an inner axial passage surface and an outer side surface, wherein the substantially tube-shaped body of the firearm handguard member defines a length of the firearm handguard member, wherein the length of the firearm handguard member includes a first length portion extending away from the distal end surface of the substantially tube-shaped body and a second length portion extending away from the proximal end surface of the substantially tube-shaped body, wherein the substantially tube-shaped body define a thickness of the firearm handguard member extending between the inner axial passage surface of the firearm handguard member and the outer side surface of the firearm handguard member, wherein the inner axial passage surface of the firearm handguard member defines an axial passage of the firearm handguard member that extends through the length of the firearm handguard member between the distal end surface of the substantially tube-shaped body and the proximal end surface of the substantially tube-shaped body, wherein access to the axial passage of the firearm handguard member is permitted by a distal axial opening formed by the distal end surface of the substantially tube-shaped body of the firearm handguard member and a proximal axial opening formed by the proximal end surface of the substantially tube-shaped body of the firearm handguard member. 23. The firearm handguard assembly of claim 22, wherein the first length portion of the length of the firearm handguard member includes a plurality of repeating radial passages that extend through the thickness of the firearm handguard member such that the plurality of repeating radial passages are in fluid communication with the axial passage that extends through the length of the firearm handguard member, wherein the plurality of repeating radial passages include, for example, a repeating pattern of circular-shaped passages, elongated first oval-shaped passages and elongated second oval-shaped passages that are greater in length than the elongated, first oval-shaped passages. 24. The firearm handguard assembly of claim 22, wherein the second length portion of the length of the firearm handguard member includes the plurality of radial passages of the firearm handguard member. 25. The firearm handguard assembly of claim 22, wherein the outer side surface of the firearm handguard member defines an implement mounting rail member. 26. The firearm handguard assembly of claim 25, wherein a “the 12 o'clock position” of the outer side surface of the firearm handguard member includes the implement mounting rail member. 27. The firearm handguard assembly of claim 22, wherein the proximal end surface of the firearm handguard member defines a keyed geometry that mates with a corresponding keyed geometry formed by the receiver of the firearm, wherein the firearm handguard assembly further comprises: one or more supplementary implement mounting rail members attached to the outer surface of the firearm handguard member. 28. The firearm handguard assembly of claim 27, wherein the one or more supplementary implement mounting rail members is/are arranged upon one or more of a “3 o'clock position”, a “6 o'clock position” and a “9 o'clock position” of the outer surface of the firearm handguard member. 29. The firearm handguard assembly of claim 1, wherein the plurality of radial passages of the locking sleeve member are defined by a threaded surface portion that correspond to and is threadingly-connected to an outer threaded surface of each fastener of the plurality of fasteners for securing the firearm handguard member to both of the barrel nut member and the locking sleeve member.
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