An extendable butt stock includes a housing having a forward end, an open rearward end, an opening at the forward end and a buffer tube of a firearm received therethrough. A hinge plate pivotally attaches a butt plate to the rearward end of the housing, movable between an open position and a closed
An extendable butt stock includes a housing having a forward end, an open rearward end, an opening at the forward end and a buffer tube of a firearm received therethrough. A hinge plate pivotally attaches a butt plate to the rearward end of the housing, movable between an open position and a closed position. A spine reinforcing member having a rearward end and a forward end extends from the rearward end of the housing to proximate the forward end of the housing and cradles the buffer tube. The butt plate contacts the rearward end of the spine reinforcing member when the butt plate is in the closed position. An engagement mechanism is carried by the housing and releasably attaches the buffer tube to the spine reinforcing member.
대표청구항▼
1. An extendable butt stock comprising: a housing having a forward end, a rearward end, an upper portion being open at the forward end for receiving a buffer tube of a firearm therein and open at the rearward end, and a lower portion separated from the upper portion by a divider extending substantia
1. An extendable butt stock comprising: a housing having a forward end, a rearward end, an upper portion being open at the forward end for receiving a buffer tube of a firearm therein and open at the rearward end, and a lower portion separated from the upper portion by a divider extending substantially from the rearward end to the forward end;a spine reinforcing member, not being a part of the divider, having a rearward end and a forward end, the spine reinforcing member carried within the upper portion of the housing with the rearward end thereof extending beyond the open rearward end of the housing; andan engagement mechanism carried by the housing for attaching a buffer tube of a firearm to the spine reinforcing member. 2. An extendable butt stock as claimed in claim 1 wherein the engagement mechanism includes an aperture formed in a lower surface of the spine reinforcing member, and a pin extending therethrough and movable between a retracted position and an extended position. 3. An extendable butt stock as claimed in claim 2 wherein the engagement mechanism further includes a spring biasing the pin into the extended position and through the aperture. 4. An extendable butt stock as claimed in claim 1 further including: the lower portion being open at the rearward end of the housing and closed at the forward end of the housing;a butt plate; anda hinge plate pivotally attaching the butt plate to the rearward end of the housing, the butt plate movable between an open position and a closed position. 5. An extendable butt stock as claimed in claim 4 wherein the spine reinforcing member extends from the rearward end of the housing to proximate the forward end of the housing, with the butt plate contacting the rearward end of the spine reinforcing member when the butt plate is in the closed position. 6. An extendable butt stock comprising: a housing having a forward end, an open rearward end, and an opening at the forward end for receiving a buffer tube of a firearm therethrough;a butt plate;a hinge plate pivotally attaching the butt plate to the rearward end of the housing, the butt plate movable between an open position and a closed position;a spine reinforcing member, not being a part of the housing, having a rearward end and a forward end, the spine reinforcing member extending from the rearward end of the housing to proximate the forward end of the housing, wherein the butt plate contacts the rearward end of the spine reinforcing member when the butt plate is in the closed position; andan engagement mechanism carried by the housing for attaching a buffer tube of a firearm to the spine reinforcing member. 7. An extendable butt stock as claimed in claim 6 wherein the engagement mechanism includes an aperture formed in a lower surface of the spine reinforcing member, and a pin extending therethrough and movable between a retracted position and an extended position. 8. An extendable butt stock as claimed in claim 7 wherein the engagement mechanism further includes a spring biasing the pin into the extended position and through the aperture. 9. An extendable butt stock as claimed in claim 6 wherein the housing further includes an upper portion having the opening formed therein at the forward end of the housing for receiving a buffer tube of a firearm therein, and a lower portion separated from the upper portion by a divider extending substantially from the rearward end of the housing to the forward end of the housing. 10. An extendable butt stock comprising: a housing having a forward end, an open rearward end, and an opening at the forward end;a buffer tube of a firearm received through the opening in the housing;a butt plate;a hinge plate pivotally attaching the butt plate to the rearward end of the housing, the butt plate movable between an open position and a closed position;a spine reinforcing member, not being a part of the housing, having a rearward end and a forward end, the spine reinforcing member extending from the rearward end of the housing to proximate the forward end of the housing and cradling the buffer tube, wherein the butt plate contacts the rearward end of the spine reinforcing member when the butt plate is in the closed position; andan engagement mechanism carried by the housing, releasably attaching the buffer tube to the spine reinforcing member. 11. An extendable butt stock as claimed in claim 10 wherein the engagement mechanism includes at least one notch formed in the buffer tube, an aperture formed in a lower surface of the spine reinforcing member, and a pin extending through the aperture to be received by the notch in an extended position and movable to a retracted position. 12. An extendable butt stock as claimed in claim 11 wherein the engagement mechanism further includes a spring biasing the pin into the extended position and through the aperture into the notch. 13. An extendable butt stock as claimed in claim 11 wherein the buffer tube is reciprocally movable through the opening of the housing with the pin in the retracted position and includes a plurality of notches for selectively receiving the pin in one of the plurality of notches in the extended position. 14. An extendable butt stock as claimed in claim 10 wherein the housing further includes an upper portion having the opening formed therein at the forward end of the housing for receiving a buffer tube of a firearm therein, and a lower portion separated from the upper portion by a divider extending substantially from the rearward end of the housing to the forward end of the housing.
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이 특허에 인용된 특허 (2)
Giauque, Timothy Delamare; Beville, John Michael; Mooty, Thomas Arnold; Sroufe, Dustin Keith, Adjustable butt stock assembly.
Smith, Paul N.; Kincaid, Robert A.; Sereday, Daniel D.; Lance, Troy E.; Michael, Christopher J.; Woods, Oscar C., Adjustable length bi-directional folding stock for firearm.
Goldense, Bradford L.; Bachelder, Thomas W., Locking mechanisms for and method of securing firearm components in the stock, butt, and/or grip of a collapsible firearm.
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