US20070261285A1 - Modular hand grip and rail assembly for firearms - Google Patents
Modular hand grip and rail assembly for firearms Download PDFInfo
- Publication number
- US20070261285A1 US20070261285A1 US11/745,795 US74579507A US2007261285A1 US 20070261285 A1 US20070261285 A1 US 20070261285A1 US 74579507 A US74579507 A US 74579507A US 2007261285 A1 US2007261285 A1 US 2007261285A1
- Authority
- US
- United States
- Prior art keywords
- hand grip
- upper portion
- rearward end
- receiver
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C23/00—Butts; Butt plates; Stocks
- F41C23/16—Forestocks; Handgrips; Hand guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G11/00—Details of sighting or aiming apparatus; Accessories
- F41G11/001—Means for mounting tubular or beam shaped sighting or aiming devices on firearms
- F41G11/003—Mountings with a dove tail element, e.g. "Picatinny rail systems"
Definitions
- This invention relates to firearms accessories.
- the present invention relates to hand grip and rail accessories.
- hand-held firearms require some type of handgrip so that the operator can hold the firearm as it is fired. Also, many accessories are available that aid in the proper and/or enhanced operation of firearms and some type of platform or mounting structure is generally provided or available as an accessory for this function.
- Many problems are prevalent in the firearms industry with respect to hand grip and rail assemblies. Many firearms are operated as automatic or semiautomatic and have a tendency to heat extensively so that handgrips attached directly to the barrel can produce hand burns for the operator if great care is not taken. In addition, anything attached directly to the barrel of a firearm can have a tendency to alter the barrel slightly and any alterations can adversely affect the accuracy of the firearm.
- Another object of the present invention is to provide a handgrip which is not attached to the barrel of a firearm.
- Another object of the present invention is to provide a hand grip which can be utilized with existing firearms, and specifically with conventional barrel nuts.
- a modular hand grip for use on a firearm and for engaging a barrel nut of the firearm.
- the barrel nut includes a cylindrical portion terminating at a forwardly directed end with a radially outwardly directed flange.
- the hand grip includes an upper portion having a forward end, a rearward end, an inner surface and an outer surface.
- a groove is formed in the inner surface of the upper portion perpendicular to a longitudinal axis thereof, and spaced from the rearward end. The groove receives the flange of the barrel nut to align the upper portion and to prevent longitudinal movement thereof.
- a coupling assembly engages a bottom portion of the barrel nut and is attached to the rearward end of the upper portion.
- a lower portion is also provided and includes a top section and opposing side sections extending therefrom, each terminating at an edge coupled to the upper portion.
- the upper portion further includes lug rails projecting from the inner surface at opposing sides and proximate edges thereof.
- the lug rails extend longitudinally from proximate the forward end to a position proximate the rearward end and include a plurality of gaps formed therein.
- the lower portion further includes a plurality of spaced apart lugs extending from each edge thereof and receivable in the gaps in the lug rails of the upper portion. The lugs, and thus the lower portion, is translatable in one of a forward direction and a rearward direction positioning the lugs under the lug rails
- a detent assembly is carried by the clamp element for engaging the lower portion.
- the detent assembly includes a plunger detent biased outwardly from a central portion of the clamping element and received in an aperture formed through a rearward end of the top section when the lugs are positioned under the lug rails.
- FIG. 1 is a perspective view of a modular hand grip assembly according to the present invention
- FIG. 2 is a bottom plan view of the modular hand grip assembly of FIG. 1 ;
- FIG. 3 is an end view of the modular hand grip of FIGS. 1 and 2 ;
- FIG. 4 is an exploded perspective view of the modular hand grip according to the present invention.
- FIG. 5 is a perspective view of an upper portion of the modular hand grip
- FIG. 6 is a perspective view of the lower portion of the modular hand grip.
- FIG. 7 is a perspective view of a firearm including the modular handgrip of FIGS. 1-6 .
- FIGS. 1-3 illustrate a modular hand grip according to the present invention, generally designated 10 .
- Modular hand grip 10 includes three main elements, an upper portion 12 , a lower portion 14 , and a coupling assembly 15 .
- Upper portion 12 can, and preferably does include a rail 17 provided to permit the coupling of additional accessory devices.
- Modular hand grip 10 is removably coupled to the fore-end of a firearm, providing a grip, rail, and rail alignment assembly.
- modular hand grip 10 is coupled to a firearm 100 (illustrated in FIG. 7 ) through engagement with a barrel nut 20 .
- Firearm 100 includes a receiver 110 and a barrel 112 .
- the term forwardly is intended to refer to the direction toward a muzzle 114 of firearm 100 , and rearwardly is directed toward receiver 110 .
- Barrel 112 is coupled to receiver 110 with barrel nut 20 .
- Barrel nut 20 typically includes a threaded cylindrical portion 22 terminating at a forwardly directed end with a radially outwardly directed flange 23 .
- Upper portion 12 includes a forward end 24 , a rearward end 25 , an inner surface 27 and an outer surface 28 .
- Upper portion 12 forms a portion of a tubular enclosure terminating in edges 29 and completed by lower portion 14 .
- Upper portion 12 and lower portion 14 encircle barrel 112 of firearm 100 when installed.
- Rearward end 25 is configured to substantially engage a top portion of barrel nut 20 .
- a groove 30 is formed in inner surface 27 of upper portion 12 , perpendicular to a longitudinal axis thereof, and spaced from rearward end 25 .
- Groove 30 is positioned to receive flange 23 of a conventional factory barrel nut such as barrel nut 20 . Receipt of barrel nut 20 in groove 30 serves to align upper portion 12 with the rest of firearm 100 , ( FIG. 7 ), and longitudinally retain upper portion 12 , preventing forward and rearward movement thereof.
- Upper portion 12 serves as the anchor for modular hand grip 10 .
- Coupling assembly 15 consists of a clamp element 32 having a central semicircular recess 33 configured to receive cylindrical portion 22 of barrel nut 20 , and flanges 34 extending to opposing sides.
- Clamp element 32 is attached to rearward end 25 of upper portion 12 with fasteners that are inserted through openings in flanges 34 and into threaded holes formed in engagement portions 31 of edges 29 of upper portion 12 .
- Engagement portions 31 are flattened and recessed below edges 29 to accommodate flanges 34 .
- Upper portion 12 is positioned with flange 23 of barrel nut 20 received in groove 30 and secured in position by clamp element 32 positioned around barrel nut 20 and the fasteners installed and tightened into the threaded holes in engagement portions 31 of upper portion 12 .
- clamp element 32 and upper portion 12 are drawn together securely engaging barrel nut 20 .
- the presence of groove 30 acts to automatically align upper portion 12 with the rest of the firearm.
- a rail carried by, or formed as, part of upper portion 12 will be aligned with the rail typically present on an upper receiver of the firearm. While adjustments can be made during fabrication, the preferred alignment is intended to match with factory flattop Mil-std 1913 specifications.
- Upper portion 12 further includes lug rails 42 extending from opposing sides thereof proximate edges 29 .
- Lug rails 42 extend longitudinally from a forward end 24 to a position proximate groove 30 .
- Lug rails 42 include a plurality of gaps 43 formed therein for purposes which will be discussed presently.
- Lower portion 14 completes the tubular aspect of modular hand grip 10 when engaged with upper portion 12 .
- Lower portion 14 includes a top section 50 and opposing side sections 52 extending therefrom and terminating at edges 53 .
- a plurality of spaced apart lugs 55 extend from opposing edges 53 and are configured to be received in gaps 43 in lug rails 42 of upper portion 12 .
- lower portion 14 is coupled to upper portion 12 by properly aligning lower portion 14 and inserting lugs 55 through gaps 43 .
- Lower portion 14 is then translated in a rearward direction locking lugs 55 under lug rails 42 .
- This securely attaches lower portion 14 to upper portion 12 substantially along its entire length. Further translational motion forwardly or reawardly is prevented by a detent assembly 60 as part of the coupling or clamp assembly 15 and carried by clamp element 32 .
- Detent assembly 60 includes a plunger detent 62 received by a central portion of clamping element 32 .
- Plunger detent 62 is biased outwardly from barrel nut 20 , preferably by a compression spring 63 .
- an aperture 65 formed through a rearward end of top section 50 aligns with plunger detent 62 which is received therein. With plunger detent 62 received in aperture 65 , further translational movement of lower portion 14 is prevented.
- an additional feature of modular hand grip 10 is anti-rotational studs 70 extending from a rearward surface of clamp element 32 . Studs 70 engage the receiver of a firearm, and prevent rotation of hand grip 10 . Rotation of hand grip 10 , since it is attached only to barrel nut 20 , can act to unscrew barrel nut 20 , rotating barrel nut 20 in a loosening direction, which is highly undesirable. Thus, studs 70 prevent this action by contacting the receiver.
- One or more studs 70 can be employed. One being sufficient, as loosening of the barrel nut occurs in one rotational direction, preventable by one stud 70 . Another stud can be employed to prevent rotation of the barrel nut in a tightening direction if desired. It is also understood that a stud can extend from upper portion 14 , lower portion 12 or, as illustrated, clamp 15 .
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- General Engineering & Computer Science (AREA)
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Abstract
A modular hand grip for use on a firearm, the modular hand grip includes an upper portion, a lower portion and a coupling assembly. A rearward end of the upper portion is configured to engage a top portion of a barrel nut. Lug rails having gaps therein project from an inner surface of the upper portion at opposing sides and proximate edges thereof. The coupling assembly is engagable with a bottom portion of the barrel nut and is attached to the rearward end of the upper portion. The lower portion has opposing side sections, each terminating at an edge. A plurality of spaced apart lugs extend from each edge and are receivable in the gaps in the lug rails of the upper portion and are translatable in one of a forward direction and a rearward direction positioning the lugs under the lug rails.
Description
- This application claims the benefit of U.S. patent application Ser. No. 11/351,822, filed 10 Feb. 2006, which claims the benefit of U.S. Provisional Application No. 60/652,035, filed 11 Feb. 2005.
- This invention relates to firearms accessories.
- More particularly, the present invention relates to hand grip and rail accessories.
- It is understood that hand-held firearms require some type of handgrip so that the operator can hold the firearm as it is fired. Also, many accessories are available that aid in the proper and/or enhanced operation of firearms and some type of platform or mounting structure is generally provided or available as an accessory for this function. Several problems are prevalent in the firearms industry with respect to hand grip and rail assemblies. Many firearms are operated as automatic or semiautomatic and have a tendency to heat extensively so that handgrips attached directly to the barrel can produce hand burns for the operator if great care is not taken. In addition, anything attached directly to the barrel of a firearm can have a tendency to alter the barrel slightly and any alterations can adversely affect the accuracy of the firearm.
- It would be highly advantageous, therefore, to remedy the foregoing and other deficiencies inherent in the prior art.
- Accordingly, it is an object the present invention to provide a new and improved hand grip for a firearm.
- Another object of the present invention is to provide a handgrip which is not attached to the barrel of a firearm.
- And another object of the present invention is to provide a hand grip which can be utilized with existing firearms, and specifically with conventional barrel nuts.
- Briefly, to achieve the desired objects of the present invention in accordance with a preferred embodiment thereof, provided is a modular hand grip for use on a firearm and for engaging a barrel nut of the firearm. The barrel nut includes a cylindrical portion terminating at a forwardly directed end with a radially outwardly directed flange. The hand grip includes an upper portion having a forward end, a rearward end, an inner surface and an outer surface. A groove is formed in the inner surface of the upper portion perpendicular to a longitudinal axis thereof, and spaced from the rearward end. The groove receives the flange of the barrel nut to align the upper portion and to prevent longitudinal movement thereof. A coupling assembly engages a bottom portion of the barrel nut and is attached to the rearward end of the upper portion. A lower portion is also provided and includes a top section and opposing side sections extending therefrom, each terminating at an edge coupled to the upper portion.
- In a further aspect of the present invention the upper portion further includes lug rails projecting from the inner surface at opposing sides and proximate edges thereof. The lug rails extend longitudinally from proximate the forward end to a position proximate the rearward end and include a plurality of gaps formed therein. The lower portion further includes a plurality of spaced apart lugs extending from each edge thereof and receivable in the gaps in the lug rails of the upper portion. The lugs, and thus the lower portion, is translatable in one of a forward direction and a rearward direction positioning the lugs under the lug rails
- In yet another aspect of the present invention, a detent assembly is carried by the clamp element for engaging the lower portion. The detent assembly includes a plunger detent biased outwardly from a central portion of the clamping element and received in an aperture formed through a rearward end of the top section when the lugs are positioned under the lug rails.
- The foregoing and further and more specific objects and advantages of the invention will become readily apparent to those skilled in the art from the following detailed description of a preferred embodiment thereof, taken in conjunction with the drawings in which:
-
FIG. 1 is a perspective view of a modular hand grip assembly according to the present invention; -
FIG. 2 is a bottom plan view of the modular hand grip assembly ofFIG. 1 ; -
FIG. 3 is an end view of the modular hand grip ofFIGS. 1 and 2 ; -
FIG. 4 is an exploded perspective view of the modular hand grip according to the present invention; -
FIG. 5 is a perspective view of an upper portion of the modular hand grip; -
FIG. 6 is a perspective view of the lower portion of the modular hand grip; and -
FIG. 7 is a perspective view of a firearm including the modular handgrip ofFIGS. 1-6 . - Turning now to the drawings in which like reference characters indicate corresponding elements throughout the several views, attention is directed to
FIGS. 1-3 which illustrate a modular hand grip according to the present invention, generally designated 10.Modular hand grip 10 includes three main elements, anupper portion 12, alower portion 14, and acoupling assembly 15.Upper portion 12 can, and preferably does include arail 17 provided to permit the coupling of additional accessory devices.Modular hand grip 10 is removably coupled to the fore-end of a firearm, providing a grip, rail, and rail alignment assembly. - With reference to
FIGS. 4, 5 , and 6,modular hand grip 10 is coupled to a firearm 100 (illustrated inFIG. 7 ) through engagement with abarrel nut 20.Firearm 100 includes areceiver 110 and abarrel 112. For purposes of this description, the term forwardly is intended to refer to the direction toward amuzzle 114 offirearm 100, and rearwardly is directed towardreceiver 110.Barrel 112 is coupled toreceiver 110 withbarrel nut 20.Barrel nut 20 typically includes a threadedcylindrical portion 22 terminating at a forwardly directed end with a radially outwardly directedflange 23.Upper portion 12 includes aforward end 24, arearward end 25, aninner surface 27 and anouter surface 28.Upper portion 12 forms a portion of a tubular enclosure terminating inedges 29 and completed bylower portion 14.Upper portion 12 andlower portion 14encircle barrel 112 offirearm 100 when installed.Rearward end 25 is configured to substantially engage a top portion ofbarrel nut 20. Agroove 30 is formed ininner surface 27 ofupper portion 12, perpendicular to a longitudinal axis thereof, and spaced fromrearward end 25. Groove 30 is positioned to receiveflange 23 of a conventional factory barrel nut such asbarrel nut 20. Receipt ofbarrel nut 20 ingroove 30 serves to alignupper portion 12 with the rest offirearm 100, (FIG. 7 ), and longitudinally retainupper portion 12, preventing forward and rearward movement thereof.Upper portion 12 serves as the anchor formodular hand grip 10. - Further securing
upper portion 12 tobarrel nut 20, iscoupling assembly 15.Coupling assembly 15 consists of aclamp element 32 having a centralsemicircular recess 33 configured to receivecylindrical portion 22 ofbarrel nut 20, andflanges 34 extending to opposing sides.Clamp element 32 is attached to rearwardend 25 ofupper portion 12 with fasteners that are inserted through openings inflanges 34 and into threaded holes formed inengagement portions 31 ofedges 29 ofupper portion 12.Engagement portions 31 are flattened and recessed belowedges 29 to accommodateflanges 34.Upper portion 12 is positioned withflange 23 ofbarrel nut 20 received ingroove 30 and secured in position byclamp element 32 positioned aroundbarrel nut 20 and the fasteners installed and tightened into the threaded holes inengagement portions 31 ofupper portion 12. When the fasteners are installed and tightened,clamp element 32 andupper portion 12 are drawn together securely engagingbarrel nut 20. There can be one or more fasteners per side as desired. The presence ofgroove 30 acts to automatically alignupper portion 12 with the rest of the firearm. Thus, for example, a rail carried by, or formed as, part ofupper portion 12 will be aligned with the rail typically present on an upper receiver of the firearm. While adjustments can be made during fabrication, the preferred alignment is intended to match with factory flattop Mil-std 1913 specifications. -
Upper portion 12 further includes lug rails 42 extending from opposing sides thereof proximate edges 29. Lug rails 42 extend longitudinally from aforward end 24 to a positionproximate groove 30. Lug rails 42 include a plurality ofgaps 43 formed therein for purposes which will be discussed presently.Lower portion 14 completes the tubular aspect ofmodular hand grip 10 when engaged withupper portion 12.Lower portion 14 includes atop section 50 and opposingside sections 52 extending therefrom and terminating at edges 53. A plurality of spaced apart lugs 55 extend from opposingedges 53 and are configured to be received ingaps 43 in lug rails 42 ofupper portion 12. Thus,lower portion 14 is coupled toupper portion 12 by properly aligninglower portion 14 and insertinglugs 55 throughgaps 43.Lower portion 14 is then translated in a rearward direction locking lugs 55 under lug rails 42. This securely attacheslower portion 14 toupper portion 12 substantially along its entire length. Further translational motion forwardly or reawardly is prevented by adetent assembly 60 as part of the coupling or clampassembly 15 and carried byclamp element 32. -
Detent assembly 60 includes aplunger detent 62 received by a central portion of clampingelement 32.Plunger detent 62 is biased outwardly frombarrel nut 20, preferably by acompression spring 63. Aslower portion 14 is translated rearwardly withlugs 55 engagingupper portion 12 under lug rails 42, anaperture 65 formed through a rearward end oftop section 50 aligns withplunger detent 62 which is received therein. Withplunger detent 62 received inaperture 65, further translational movement oflower portion 14 is prevented. - With reference to FIGS.1 and 4, an additional feature of
modular hand grip 10 isanti-rotational studs 70 extending from a rearward surface ofclamp element 32.Studs 70 engage the receiver of a firearm, and prevent rotation ofhand grip 10. Rotation ofhand grip 10, since it is attached only tobarrel nut 20, can act to unscrewbarrel nut 20, rotatingbarrel nut 20 in a loosening direction, which is highly undesirable. Thus,studs 70 prevent this action by contacting the receiver. One ormore studs 70 can be employed. One being sufficient, as loosening of the barrel nut occurs in one rotational direction, preventable by onestud 70. Another stud can be employed to prevent rotation of the barrel nut in a tightening direction if desired. It is also understood that a stud can extend fromupper portion 14,lower portion 12 or, as illustrated,clamp 15. - Various changes and modifications to the embodiments herein chosen for purposes of illustration will readily occur to those skilled in the art. To the extent that such modifications and variations do not depart from the spirit of the invention, they are intended to be included within the scope thereof, which is assessed only by a fair interpretation of the following claims.
Claims (6)
1-20. (canceled)
21. A hand grip for use on a firearm having a receiver, and a barrel, the hand grip comprising:
a hand grip having a forward end and a rearward end, the rearward end positionable proximate the receiver; and
a stud extending rearwardly from the rearward end of the handgrip for direct engagement with the receiver thereby preventing relative rotational movement therebetween.
22. A hand grip as claimed in claim 21 wherein the rearward end of the hand grip is securable to a barrel nut attaching the barrel to the receiver.
23. A hand grip on a firearm comprising:
a firearm having a receiver, a barrel, and a barrel nut coupling the barrel to the receiver and rotatable in a loosening direction and a tightening direction;
a hand grip having a forward end, and a rearward end, the rearward end coupled only to the barrel nut; and
a stud extending rearwardly from the rearward end of the handgrip, the stud directly engaging the receiver preventing rotation of the hand guard and the barrel nut in the loosening direction.
24. A hand grip as claimed in claim 21 wherein the stud extending rearwardly from the rearward end of the handgrip for engaging a side of the receiver.
25. A hand grip as claimed in claim 23 wherein the stud extending rearwardly from the rearward end of the handgrip engages a side of the receiver.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/745,795 US20070261285A1 (en) | 2005-02-11 | 2007-05-08 | Modular hand grip and rail assembly for firearms |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US65203505P | 2005-02-11 | 2005-02-11 | |
US11/351,822 US7216451B1 (en) | 2005-02-11 | 2006-02-10 | Modular hand grip and rail assembly for firearms |
US11/745,795 US20070261285A1 (en) | 2005-02-11 | 2007-05-08 | Modular hand grip and rail assembly for firearms |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/351,822 Continuation US7216451B1 (en) | 2005-02-11 | 2006-02-10 | Modular hand grip and rail assembly for firearms |
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US20070261285A1 true US20070261285A1 (en) | 2007-11-15 |
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US11/351,822 Active US7216451B1 (en) | 2005-02-11 | 2006-02-10 | Modular hand grip and rail assembly for firearms |
US11/745,795 Abandoned US20070261285A1 (en) | 2005-02-11 | 2007-05-08 | Modular hand grip and rail assembly for firearms |
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US11/351,822 Active US7216451B1 (en) | 2005-02-11 | 2006-02-10 | Modular hand grip and rail assembly for firearms |
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Legal Events
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