US20180335265A1 - Reciprocating Action Universal Receiver Test System - Google Patents
Reciprocating Action Universal Receiver Test System Download PDFInfo
- Publication number
- US20180335265A1 US20180335265A1 US15/599,004 US201715599004A US2018335265A1 US 20180335265 A1 US20180335265 A1 US 20180335265A1 US 201715599004 A US201715599004 A US 201715599004A US 2018335265 A1 US2018335265 A1 US 2018335265A1
- Authority
- US
- United States
- Prior art keywords
- prior
- bolt
- art
- receiver
- action
- 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
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
- F41A3/14—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively
- F41A3/16—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks
- F41A3/18—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks hand-operated
- F41A3/22—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks hand-operated the locking being effected by rotating the operating handle or lever transversely to the barrel axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A11/00—Assembly or disassembly features; Modular concepts; Articulated or collapsible guns
- F41A11/02—Modular concepts, e.g. weapon-family concepts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/48—Barrel mounting means, e.g. releasable mountings for replaceable barrels
- F41A21/482—Barrel mounting means, e.g. releasable mountings for replaceable barrels using continuous threads on the barrel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
Definitions
- a falling block Universal Receiver is capable of accepting pistol, rifle, shotshell or rim fire pressure-test barrels. This same Universal Receiver Action provides for direct access of electronic and non-electronic pressure measurement devices mounted directly over and/or into the specific cartridge/chamber region of the test barrel.
- the falling block designed Universal Receiver is expensive. The manufacture of such falling block Universal Receiver is highly involved. The weight of such falling block Universal Receiver is cumbersome. Parts are not readily available.
- a common reciprocating-action receiver can be utilized to pressure-test “rifle” ammunition, because the chamber of a rifle cartridge can extend out past the forward receiver ring of a reciprocating-action receiver. Therefore, an electronic or non-electronic pressure measurement device can be placed directly over and/or into the specific cartridge/chamber region of the test barrel, without also drilling, threading or otherwise compromising the reciprocating-action receiver.
- any number of chambered test barrels can individually be screwed or otherwise attached to a reciprocating-action receiver, so long as the relationship of chamber and bolt face maintain correct “head space”.
- a single reciprocating action receiver could function as a universal receiver for “rifle cartridges”.
- the forward location of the bolt face incorporated in a standard reciprocating-action centerfire rifle firearm receiver is within the housing of the receiver ring. This bolt face location prevents this same firearm receiver action from providing direct access to pistol, rim-fire and shot shell chambers, at the location of their respective “pressure chamber”. This standard bolt face location precludes reciprocating-action receivers from being used as “Universal Receivers” for all smallarm ammunition.
- Firearm receivers such as break-action and Baumann-type (U.S. Pat. No. 3,996,684) forward-biased bolt face receivers are incapable of withstanding the high pressures generated in 65000-psi intended centerfire rifle cartridges.
- a reciprocating and locking bolt body for a firearm receiver is a modified bolt, and associated modified gun barrel(s), whereby the location of the locking interface between the bolt body and action receiver remain unchanged, but the bolt face is extended even with or past the opening face of the action receiver ring.
- This modified bolt face location allows pistol, rim-fire or shot shell chambers to be placed forward of the firearm receiver/barrel junction, and thus provide for direct access of electronic and non-electronic pressure measurement devices mounted directly over and/or into the barrel of any cartridge/chamber region under test.
- the firearm receiver remains entirely intact and unaltered from prior art design and intent.
- the firearm receiver remains entirely capable of withstanding chamber pressures in excess of 65,000-psi.
- FIG. 1 is a diagrammatic representation of FIG. 1 .
- FIG. 1 a Claimed bolt body, showing bolt face and bolt lug location relationship.
- FIG. 1 b Prior art bolt body, showing bolt face and bolt lug location relationship.
- FIG. 2 is a diagrammatic representation of FIG. 1 .
- FIG. 2 a Incorporation of claimed bolt body into prior art action receiver, bolt lugs unlocked with action lugs.
- FIG. 2 b Incorporation of claimed bolt body into prior art action receiver, bolt lugs locked with action lugs.
- FIG. 3 Prior art bolt, prior art pistol cartridge, in prior art action receiver.
- FIG. 4 is a diagrammatic representation of FIG. 4 .
- FIG. 4 a Claimed bolt, showing bolt face located beyond constraints of the threaded and lugged prior art action receiver ring.
- FIG. 4 b Claimed bolt, fit into claimed recessed chamber. Threaded transducer hole is beyond the constraints of the threaded portion of the barrel/receiver interface and normal to firearm chamber.
- FIG. 5 Whole View
- the claimed bolt incorporated into a prior art firearm action receiver has an extended face-to-lug relationship, such that the face of the bolt that touches/pushes the cartridge into the chamber, when in forward and locked position, extends to or beyond the end of the firearm action receiver ring.
- the effective length of the claimed bolt body enables a prior art and economical long-action firing pin to be utilized within the bore of the claimed bolt body.
- any such barrel joined with a prior-art receiver, and utilizing this elongated face-to-lug relationship claimed bolt must be cut with a recessed chamber.
- the individual modified bolt, as well as the required and modified location of the recessed chamber are both claimed within the constraints of the invention.
- the elongated bolt and recessed chamber are utilized to fire a cartridge beyond the constraints of the firearm receiver.
- one individual, economical, lightweight, common-place firearm action receiver is now capable of interfacing with any number of ammunition test barrels, and any number of calibers, whereby electronic or non-electronic measurement devices can be placed beyond the action receiver, and those measurement devices placed directly over or into the specific chamber, measuring direct chamber pressure, without altering the material strengths nor function of the firearm receiver.
- the preferred embodiment permits a bolt-action receiver forward threaded ring to remain entirely intact and unaltered from prior art design and intent.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
- Provisional Patent Application No. 62/392,055
- Filing Date: May 20, 2016
- N/A.
- N/A.
- N/A
- No disclosure of this invention was made at any time before the provisional patent filing date of May 20, 2016.
- Pressure Testing of Smallarm Ammunition
- A falling block Universal Receiver is capable of accepting pistol, rifle, shotshell or rim fire pressure-test barrels. This same Universal Receiver Action provides for direct access of electronic and non-electronic pressure measurement devices mounted directly over and/or into the specific cartridge/chamber region of the test barrel. However, the falling block designed Universal Receiver is expensive. The manufacture of such falling block Universal Receiver is highly involved. The weight of such falling block Universal Receiver is cumbersome. Parts are not readily available.
- A common reciprocating-action receiver can be utilized to pressure-test “rifle” ammunition, because the chamber of a rifle cartridge can extend out past the forward receiver ring of a reciprocating-action receiver. Therefore, an electronic or non-electronic pressure measurement device can be placed directly over and/or into the specific cartridge/chamber region of the test barrel, without also drilling, threading or otherwise compromising the reciprocating-action receiver. Likewise, any number of chambered test barrels can individually be screwed or otherwise attached to a reciprocating-action receiver, so long as the relationship of chamber and bolt face maintain correct “head space”. Thus, a single reciprocating action receiver could function as a universal receiver for “rifle cartridges”.
- However, the forward location of the bolt face incorporated in a standard reciprocating-action centerfire rifle firearm receiver is within the housing of the receiver ring. This bolt face location prevents this same firearm receiver action from providing direct access to pistol, rim-fire and shot shell chambers, at the location of their respective “pressure chamber”. This standard bolt face location precludes reciprocating-action receivers from being used as “Universal Receivers” for all smallarm ammunition.
- Firearm receivers such as break-action and Baumann-type (U.S. Pat. No. 3,996,684) forward-biased bolt face receivers are incapable of withstanding the high pressures generated in 65000-psi intended centerfire rifle cartridges.
- A reciprocating and locking bolt body for a firearm receiver. The invention is a modified bolt, and associated modified gun barrel(s), whereby the location of the locking interface between the bolt body and action receiver remain unchanged, but the bolt face is extended even with or past the opening face of the action receiver ring. This modified bolt face location allows pistol, rim-fire or shot shell chambers to be placed forward of the firearm receiver/barrel junction, and thus provide for direct access of electronic and non-electronic pressure measurement devices mounted directly over and/or into the barrel of any cartridge/chamber region under test. The firearm receiver remains entirely intact and unaltered from prior art design and intent. The firearm receiver remains entirely capable of withstanding chamber pressures in excess of 65,000-psi.
-
FIG. 1 . -
FIG. 1a . Claimed bolt body, showing bolt face and bolt lug location relationship. -
FIG. 1b . Prior art bolt body, showing bolt face and bolt lug location relationship. -
FIG. 2 . -
FIG. 2a . Incorporation of claimed bolt body into prior art action receiver, bolt lugs unlocked with action lugs. -
FIG. 2b . Incorporation of claimed bolt body into prior art action receiver, bolt lugs locked with action lugs. -
FIG. 3 . Prior art bolt, prior art pistol cartridge, in prior art action receiver. -
FIG. 4 . -
FIG. 4a . Claimed bolt, showing bolt face located beyond constraints of the threaded and lugged prior art action receiver ring. -
FIG. 4b . Claimed bolt, fit into claimed recessed chamber. Threaded transducer hole is beyond the constraints of the threaded portion of the barrel/receiver interface and normal to firearm chamber. -
FIG. 5 . Whole View - The claimed bolt incorporated into a prior art firearm action receiver has an extended face-to-lug relationship, such that the face of the bolt that touches/pushes the cartridge into the chamber, when in forward and locked position, extends to or beyond the end of the firearm action receiver ring. The effective length of the claimed bolt body enables a prior art and economical long-action firing pin to be utilized within the bore of the claimed bolt body.
- Of necessity, any such barrel joined with a prior-art receiver, and utilizing this elongated face-to-lug relationship claimed bolt, must be cut with a recessed chamber. The individual modified bolt, as well as the required and modified location of the recessed chamber are both claimed within the constraints of the invention.
- Together, the elongated bolt and recessed chamber are utilized to fire a cartridge beyond the constraints of the firearm receiver. In achieving this relationship, one individual, economical, lightweight, common-place firearm action receiver is now capable of interfacing with any number of ammunition test barrels, and any number of calibers, whereby electronic or non-electronic measurement devices can be placed beyond the action receiver, and those measurement devices placed directly over or into the specific chamber, measuring direct chamber pressure, without altering the material strengths nor function of the firearm receiver. The preferred embodiment permits a bolt-action receiver forward threaded ring to remain entirely intact and unaltered from prior art design and intent.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/599,004 US20180335265A1 (en) | 2017-05-18 | 2017-05-18 | Reciprocating Action Universal Receiver Test System |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/599,004 US20180335265A1 (en) | 2017-05-18 | 2017-05-18 | Reciprocating Action Universal Receiver Test System |
Publications (1)
Publication Number | Publication Date |
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US20180335265A1 true US20180335265A1 (en) | 2018-11-22 |
Family
ID=64271482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/599,004 Abandoned US20180335265A1 (en) | 2017-05-18 | 2017-05-18 | Reciprocating Action Universal Receiver Test System |
Country Status (1)
Country | Link |
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US (1) | US20180335265A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11428487B2 (en) * | 2017-07-24 | 2022-08-30 | Textron Systems Corporation | Cartridge extraction with dummy extractor for a cased telescoped ammunition firearm |
-
2017
- 2017-05-18 US US15/599,004 patent/US20180335265A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11428487B2 (en) * | 2017-07-24 | 2022-08-30 | Textron Systems Corporation | Cartridge extraction with dummy extractor for a cased telescoped ammunition firearm |
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