A free float handguard for a firearm having a barrel includes a handguard body and a locking arrangement. The locking arrangement includes a barrel locker and a handguard locker. The barrel locker includes a first tubular locker adapted for coaxially coupling at a fixed end of the barrel, and a seco
A free float handguard for a firearm having a barrel includes a handguard body and a locking arrangement. The locking arrangement includes a barrel locker and a handguard locker. The barrel locker includes a first tubular locker adapted for coaxially coupling at a fixed end of the barrel, and a second tubular locker coaxially and rotatably coupled at the first tubular locker. The handguard locker has a rear portion coaxially coupled at the first tubular locker to prevent the handguard locker from being rotated therearound, and a front portion engaged with the second tubular locker to prevent the second tubular locker from being rotated around the first tubular locker, wherein a first end portion of the handguard body is coupled at the handguard locker for locking up the handguard body around the barrel in a free float manner.
대표청구항▼
1. A free float handguard for a firearm having a barrel, comprising: a handguard body, which has a tubular configuration, having a first end portion and a second end portion; anda locking arrangement which locks at said first end portion of said handguard body to suspendedly support said second end
1. A free float handguard for a firearm having a barrel, comprising: a handguard body, which has a tubular configuration, having a first end portion and a second end portion; anda locking arrangement which locks at said first end portion of said handguard body to suspendedly support said second end portion thereof for encircling around the barrel, wherein said locking arrangement comprises:a barrel locker which comprises:a first tubular locker adapted for coaxially coupling at a fixed end of the barrel, wherein said first tubular locker has a rear locking portion and a front coupling portion, wherein said first tubular locker further comprises a plurality of locking ribs outwardly and radially extended from said rear locking portion to form a plurality of locking grooves between said locking ribs;a second tubular locker coaxially coupled at said first tubular locker, wherein said second tubular locker is coaxially and rotatably coupled at said front coupling portion of said first tubular locker, wherein said second tubular locker has a circular inner surface and a non-circular outer surface, such that when said circular inner surface of said second tubular locker is coupled at said front coupling portion of said first tubular locker, said second tubular locker is adapted to be rotated around said front coupling portion of said first tubular locker; anda handguard locker having a rear portion coaxially coupled at said first tubular locker to prevent said handguard locker from being rotated therearound, and a front portion engaged with said second tubular locker, wherein said first end portion of said handguard body is coupled at said handguard locker for locking up said handguard body around the barrel, wherein said front portion of said handguard locker is coaxially coupled at said second tubular locker to prevent said second tubular locker from being rotated around said first tubular locker, wherein said handguard locker further has an inner circumferential surface, wherein said inner circumferential surface of said handguard locker at said rear portion thereof is engaged with said rear locking portion of said first tubular locker and said inner circumferential surface of said handguard locker at said front portion thereof is biased against said non-circular outer surface of said second tubular locker so as to lock up said handguard body around the barrel, wherein said plurality of locking ribs outwardly and radially extended from said rear locking portion forming said plurality of locking grooves between said locking ribs is engaged with said rear portion of said inner circumferential surface of said handguard locker. 2. The free float handguard, as recited in claim 1, wherein said handguard locker further has an outer circumferential surface coupled with said first end portion of said handguard body, wherein said outer circumferential surface of said handguard has a cross section matching a cross section of said handguard body. 3. The free float handguard, as recited in claim 1, wherein said handguard locker further comprises a plurality of engaging ribs inwardly and radially extended from said rear portion of said inner circumferential surface to form a plurality of engaging grooves between said engaging ribs, such that said locking ribs are engaged with said engaging grooves while said engaging ribs are engaged with said locking grooves to interlock said handguard locker with said first tubular locker. 4. The free float handguard, as recited in claim 2, wherein said handguard locker further comprises a plurality of engaging ribs inwardly and radially extended from said rear portion of said inner circumferential surface to form a plurality of engaging grooves between said engaging ribs, such that said locking ribs are engaged with said engaging grooves while said engaging ribs are engaged with said locking grooves to interlock said handguard locker with said first tubular locker. 5. The free float handguard, as recited in claim 4, wherein said front portion of said inner circumferential surface of said handguard locker has a non-circular configuration matching with a cross section of said non-circular outer surface of said second tubular locker, such that when said front portion of said inner circumferential surface of said handguard locker is engaged with said non-circular outer surface of said second tubular locker, said second tubular locker is locked up at said front coupling portion of said first tubular locker to block said second tubular locker to be rotated at said front coupling portion of said tubular locker. 6. The free float handguard, as recited in claim 1, wherein one of said locking grooves serves as a gas tube channel for guiding and supporting a gas tube of the firearm extended toward the barrel. 7. The free float handguard, as recited in claim 5, wherein one of said locking grooves serves as a gas tube channel for guiding and supporting a gas tube of the firearm extended toward the barrel. 8. The free float handguard, as recited in claim 6, wherein said second tubular locker further has a gas tube slot indented on said non-circular outer surface of said second tubular locker, such that said second tubular locker rotated at said front coupling portion of said first tubular locker to align said gas tube slot with said gas tube channel for guiding and supporting the gas tube of the firearm extended toward the barrel. 9. The free float handguard, as recited in claim 7, wherein said second tubular locker further has a gas tube slot indented on said non-circular outer surface of said second tubular locker, such that said second tubular locker rotated at said front coupling portion of said first tubular locker to align said gas tube slot with said gas tube channel for guiding and supporting the gas tube of the firearm extended toward the barrel. 10. The free float handguard, as recited in claim 6, wherein said handguard locker has a C-shape defining a gas tube slit between two edges thereof to align with said gas tube channel for guiding the gas tube of the firearm extended toward the barrel. 11. The free float handguard, as recited in claim 7, wherein said handguard locker has a C-shape defining a gas tube slit between two edges thereof to align with said gas tube channel for guiding the gas tube of the firearm extended toward the barrel. 12. The free float handguard, as recited in claim 9, wherein said handguard locker has a C-shape defining a gas tube slit between two edges thereof to align with said gas tube channel for guiding the gas tube of the firearm extended toward the barrel. 13. The free float handguard, as recited in claim 12, wherein said first tubular locker has an inner threaded structure for rotatably coupling at the fixed end of the barrel. 14. A free float handguard for a firearm having a barrel, comprising: a handguard body, which has a tubular configuration, having a first end portion and a second end portion; anda locking arrangement which locks at said first end portion of said handguard body to suspendedly support said second end portion thereof for encircling around the barrel, wherein said locking arrangement comprises:a barrel locker which comprises:a first tubular locker adapted for coaxially coupling at a fixed end of the barrel, wherein said first tubular locker has a rear locking portion and a front coupling portion;a second tubular locker coaxially coupled at said first tubular locker, wherein said second tubular locker is coaxially and rotatably coupled at said front coupling portion of said first tubular locker, wherein said second tubular locker has a circular inner surface and a non-circular outer surface, such that when said circular inner surface of said second tubular locker is coupled at said front coupling portion of said first tubular locker, said second tubular locker is adapted to be rotated around said front coupling portion of said first tubular locker; anda handguard locker having a rear portion coaxially coupled at said first tubular locker to prevent said handguard locker from being rotated therearound, and a front portion engaged with said second tubular locker, wherein said first end portion of said handguard body is coupled at said handguard locker for locking up said handguard body around the barrel, wherein said front portion of said handguard locker is coaxially coupled at said second tubular locker to prevent said second tubular locker from being rotated around said first tubular locker, wherein said handguard locker further has an inner circumferential surface, wherein said inner circumferential surface of said handguard locker at said rear portion thereof is engaged with said rear locking portion of said first tubular locker and said inner circumferential surface of said handguard locker at said front portion thereof is biased against said non-circular outer surface of said second tubular locker so as to lock up said handguard body around the barrel, wherein said front portion of said inner circumferential surface of said handguard locker has a non-circular configuration matching with a cross section of said non-circular outer surface of said second tubular locker, such that when said front portion of said inner circumferential surface of said handguard locker is engaged with said non-circular outer surface of said second tubular locker, said second tubular locker is locked up at said front coupling portion of said first tubular locker to block said second tubular locker to be rotated at said front coupling portion of said tubular locker.
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이 특허에 인용된 특허 (7)
Dzwill, Alexander Edward, Adjustable free-float forend/handguard mounting assembly.
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