Foregrip

• US 8,429,843 B2
• Filed: 04/28/2011
• Issued: 04/30/2013
• Est. Priority Date: 04/28/2011
• Status: Active Grant

• Current Assignee: Leapers Incorporated
• Original Assignee: Leapers Incorporated
• Inventors: Yan, Yuedong
• Primary Examiner(s): HAYES, BRET C
• Application Number:
  US13/096,676
• Publication Number:
  US 20120272557A1
• Time in Patent Office: 733 Days
• Field of Search: 42/710.1, 42/72, 42/73, 164/29, 89/14.2
• US Class Current: 42/72
• CPC Class Codes: F41C 23/12 Auxiliary stocks for stabilising, or for transforming pistols, e.g. revolvers, into shoulder-fired guns
• CPC Class Codes: F41C 23/16 Forestocks; Handgrips; Hand guards pump-action guns F41C7/02
• CPC Class Codes: F41G 11/003 Mountings with a dove tail element, e.g. "Picatinny rail systems"

Abstract

A grip is disclosed. The grip comprises a base portion; a grip portion pivotably connected to the base portion for arrangement in one of: a deployed orientation, a stowed orientation and an intermediate orientation, wherein the grip portion includes a first, inner body, and a second, outer body, wherein the second, outer body is movably- and telescopingly-connected to the first, inner body; and a locking assembly arranged within and at least partially contained by the grip portion, wherein a portion of the locking assembly is selectively-extendable in one of an orientation within the grip portion and beyond an outer surface of the grip portion for selective coupling of the portion of the locking assembly with the base portion. A method for operating a grip is also disclosed. An assembly is also disclosed.

Claims

1. A grip that is attachable to a device, comprising:

a base portion;

a grip portion pivotably connected to the base portion for arrangement in one of;

a deployed orientation, a stowed orientation and an intermediate orientation, wherein the grip portion includes

a first, inner body, and

a second, outer body, wherein the second, outer body is movably- and telescopingly-connected to the first, inner body;

a locking assembly arranged within and at least partially contained by the grip portion, wherein a portion of the locking assembly is selectively-extendable in one of an orientation within the grip portion and beyond an outer surface of the grip portion for selective coupling of the portion of the locking assembly with the base portion, wherein the deployed orientation includes;

a grip portion axis that is axially aligned with the grip portion while also substantially perpendicularly traversing a device axis of the device, wherein the stowed orientation includes the grip portion axis being arranged substantially in parallel with the device axis, wherein one or more of the first, inner body and the second, outer body of the grip portion form a bore, wherein the locking assembly is disposed within the bore; and

an end cap removably-connected to an end of the second, outer body for at least partially closing-out the bore.

2. The grip according to claim 1, wherein the locking assembly provides:

means for locking the grip portion to the base portion in one of the deployed orientation and the stowed orientation when the portion of the locking assembly is selectively-extended beyond the outer surface of the grip portion and interfaced with the base portion.

3. The grip according to claim 1, wherein the device is a firearm, wherein the device axis is a firearm axis, wherein the firearm axis is aligned with a barrel portion of the firearm.

4. A grip that is attachable to a device, comprising:

a base portion;

a grip portion pivotably connected to the base portion for arrangement in one of;

a deployed orientation, a stowed orientation and an intermediate orientation, wherein the grip portion includes

a first, inner body, and

a second, outer body, wherein the second, outer body is movably- and telescopingly-connected to the first, inner body; and

a locking assembly arranged within and at least partially contained by the grip portion, wherein a portion of the locking assembly is selectively-extendable in one of an orientation within the grip portion and beyond an outer surface of the grip portion for selective coupling of the portion of the locking assembly with the base portion, wherein the deployed orientation includes;

a grip portion axis that is axially aligned with the grip portion while also substantially perpendicularly traversing a device axis of the device, wherein the stowed orientation includes the grip portion axis being arranged substantially in parallel with the device axis, wherein the locking assembly includes;

a stop ring connected to the first, inner body,

a carrier body connected to the second, outer body,

a stop cap connected to the carrier body,

a locking wedge fastener connected to the stop cap,

a locking wedge connected to the locking wedge fastener, wherein, collectively;

the first, inner body, the carrier body, the stop ring and the stop cap form an annular bore, wherein the locking assembly further includes

a tension spring disposed within the annular bore.

5. The grip according to claim 4, wherein a first end of the tension spring is disposed adjacent the stop cap, wherein a second end of the tension spring is disposed adjacent the stop ring, wherein the tension spring circumscribes an outer surface of the carrier body.

6. The grip according to claim 5, wherein the stop ring is fixedly-coupled to the first, inner body, wherein the stop cap is not fixedly-coupled to the first, inner body such that movement of the carrier body and second, outer body results in corresponding movement of the stop cap to provide

means for utilizing movement of the stop cap to permit compression of the tension spring against a fixed orientation the stop ring with the first, inner body.

7. The grip according to claim 6, wherein, upon compression of the tension spring to a compressed orientation, movement of the stop cap for compressing the tension spring results in a corresponding retraction of the locking wedge into the grip portion and away from the base portion to provide

means for arranging the base portion and the grip portion in an unlocked orientation.

8. The grip according to claim 7, wherein, upon expanding the spring from the compressed orientation toward an unbiased, expanded orientation, the tension spring provides:

means for biasing the stop cap away from the stop ring such that the locking wedge that is connected to the stop cap by way of the locking wedge fastener is moved out of the grip portion and into the base portion for arranging the base portion and the grip portion in a locked orientation.

9. The grip according to claim 4, wherein the second, outer body includes:

a radially-inwardly projecting annular ledge including

an inwardly-facing threaded surface, and

an upper surface,

wherein the carrier body includes

a first, outer threaded surface portion located proximate a first, upper end of the carrier body, and

a second, outer threaded surface portion located proximate a second, lower end of the carrier body, wherein the inwardly-facing threaded surface of the annular ledge is threadingly-coupled to the second, outer threaded surface portion of the carrier body.

10. The grip according to claim 9, wherein the stop ring includes:

an upper surface,

a lower surface, and

an outer threaded surface portion, wherein the lower surface of the stop ring is disposed adjacent the upper surface of the radially-inwardly projecting annular ledge, wherein the first, inner body of the grip portion includes

an outer surface portion, and

an inner threaded surface, wherein the outer threaded surface portion of the stop ring is threadingly-coupled to the inner threaded surface of the first, inner body.

11. The grip according to claim 10, wherein the stop cap includes:

an outwardly-facing surface portion, and

a plurality of inwardly-facing, stepped surface portions formed by stepped surfaces, wherein the stepped surfaces include;

a first threaded surface portion, a first ledge surface portion, a first non-threaded surface portion, a second ledge surface portion, and a second non-threaded surface portion, wherein the first threaded surface portion is substantially perpendicularly connected to the first ledge surface, wherein the first ledge surface portion is substantially perpendicularly connected to the first non-threaded surface portion, wherein the first non-threaded surface portion is substantially perpendicularly connected to the second ledge surface portion, wherein the second ledge surface portion is substantially perpendicularly connected to the second non-threaded surface portion.

12. The grip according to claim 11, wherein the first threaded surface portion of the stop cap is threadingly-coupled to the first, outer threaded surface portion of the carrier body, wherein the first ledge surface of the stop cap is disposed adjacent the first, upper end of the carrier body.

13. The grip according to claim 12, wherein the locking wedge fastener includes:

a head portion, and

a stem portion connected to the head portion, wherein the first non-threaded surface portion of the stop cap forms an annular cavity that receives the a head portion of the locking wedge fastener, wherein the second ledge surface portion of the stop cap is disposed adjacent a surface portion of the head portion of the locking wedge fastener, wherein the second non-threaded surface portion of the stop cap forms a passage extending through the stop cap, wherein the passage extending through the stop cap permits the stem portion of the locking wedge fastener to extend therethrough and beyond an upper surface portion of the stop cap.

14. The grip according to claim 13, wherein the locking wedge includes:

a lower surface,

an upper surface, and

an outer surface connecting the lower surface to the upper surface, wherein the lower surface of the locking wedge is disposed substantially adjacent the upper surface portion of the stop cap, wherein the lower surface of the locking wedge forms a threaded bore extending into the locking wedge, wherein the threaded bore is coupled to a threaded outer surface of the stem portion of the locking wedge fastener.

15. The grip according to claim 13, wherein the tension spring includes:

a first end disposed adjacent a lower surface portion of the stop cap, and

a second end disposed adjacent the upper surface of the stop ring, and

wherein the tension spring circumscribes the outer surface portion of the carrier body.

16. A grip that is attachable to a device, comprising:

a base portion;

a grip portion pivotably connected to the base portion for arrangement in one of;

a deployed orientation, a stowed orientation and an intermediate orientation, wherein the grip portion includes

a first, inner body, and

a second, outer body, wherein the second, outer body is movably- and telescopingly-connected to the first, inner body; and

a locking assembly arranged within and at least partially contained by the grip portion, wherein a portion of the locking assembly is selectively-extendable in one of an orientation within the grip portion and beyond an outer surface of the grip portion for selective coupling of the portion of the locking assembly with the base portion, wherein the deployed orientation includes;

a grip portion axis that is axially aligned with the grip portion while also substantially perpendicularly traversing a device axis of the device, wherein the stowed orientation includes the grip portion axis being arranged substantially in parallel with the device axis, wherein the base portion includes a head portion and a neck portion, wherein the neck portion includes a passage, wherein a pivot pin extends through the passage and is connected to the grip portion for pivotably-connecting the base portion to the grip portion.

17. The grip according to claim 16, wherein the head portion includes:

a quick-disconnect device, wherein the quick-disconnect device includes

a first clamp portion, and

a second clamp portion, wherein the first clamp portion and the second clamp portion collectively form a channel.

18. The grip according to claim 17, wherein the second clamp portion is movably-arranged with respect to a fixed orientation of the first clamp portion to provide:

means for enlarging/reducing a geometry of the channel for permitting detachment/attachment of the head portion to the device, wherein the device is a firearm, wherein, upon attachment of the head portion to the firearm, the channel includes a geometry that corresponds to a geometry of a Picatinny rail of the firearm.

19. A method for operating a grip including a locking assembly, wherein the grip includes a base portion and a grip portion, wherein the grip portion includes a first, inner body and a second, outer body, wherein the second, outer body is movably- and telescopingly-connected to the first, inner body, wherein the locking assembly is arranged within and at least partially contained by the grip portion, comprising the steps of:

arranging the grip portion in a deployed, first locked orientation relative to the base portion such that the grip portion is not collapsed substantially adjacent the base portion;

applying a pulling force to the grip portion for arranging the grip portion in an unlocked orientation relative to the base portion;

while the grip portion is arranged in the unlocked orientation relative to the base portion, pivoting the grip portion relative to the base portion; and

responsive to the pivoting of the grip portion relative to the base portion, arranging the grip portion in a substantially collapsed orientation adjacent the base portion

responsive to the arranging step, locking the grip portion in a stowed, second locked orientation relative to the base portion.

20. The method according to claim 19, wherein the pivoting step includes:

pivoting the grip portion relative to the base portion approximately about 90°

such that

in the deployed orientation, a body of the grip portion is substantially perpendicularly arranged relative to the base portion, and

in the stowed orientation, the body of the grip portion is substantially arranged in parallel with the base portion.

21. The method according to claim 19, wherein responsive to the applying the pulling force step, further comprising the step of:

retracting a male portion of the grip portion out of a first recess formed in the base portion.

22. The method according to claim 21, wherein the locking step includes the step of:

biasing the male portion into a second recess formed in the base portion.

23. An assembly, comprising:

a device including

a body, wherein a body axis extends along the body of the device;

a foregrip including;

a base portion, and

a grip portion, wherein a grip axis extends along the grip portion, wherein the grip portion is pivotably connected to the base portion for arrangement in one of;

a deployed orientation relative to the device, a stowed orientation relative to the device and an intermediate orientation relative to the device, wherein the grip axis is substantially perpendicular to the body axis when the grip portion is arranged in the deployed orientation, wherein the grip axis is substantially in parallel with the body axis when the grip portion is arranged in the stowed orientation, wherein the grip portion includes

a first, inner body, and

a second, outer body, wherein the second, outer body is movably- and telescopingly-connected to the first, inner body; and

a locking assembly arranged within and at least partially contained by the grip portion, wherein a portion of the locking assembly is selectively-extendable in one of an orientation within the grip portion and beyond an outer surface of the grip portion for selective coupling of the portion of the locking assembly with the base portion.

24. The assembly according to claim 23, wherein the device is a firearm, wherein the body of the firearm is a barrel portion of the firearm.

25. The assembly according to claim 24, wherein barrel portion of the firearm includes:

an attachment rail, wherein the base portion includes

a quick-disconnect device, wherein the quick-disconnect device includes a first clamp portion and a second clamp portion, wherein the first clamp portion and the second clamp portion collectively form a channel including a geometry that corresponds to the attachment rail of the firearm.

26. The assembly according to claim 25, wherein the attachment rail includes a Picatinny rail.

27. The assembly according to claim 24, wherein the firearm includes a handle-grip and trigger, wherein the foregrip is located in a forward orientation with respect to the handle-grip and trigger.