US172716A - Improvement in adjustable firing-pins for breech-loading fire-arms - Google Patents
Improvement in adjustable firing-pins for breech-loading fire-arms Download PDFInfo
- Publication number
- US172716A US172716A US172716DA US172716A US 172716 A US172716 A US 172716A US 172716D A US172716D A US 172716DA US 172716 A US172716 A US 172716A
- Authority
- US
- United States
- Prior art keywords
- firing
- breech
- plug
- pin
- arms
- 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.)
- Expired - Lifetime
Links
- 238000010304 firing Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 2
Images
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
- F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
- F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
- F41A19/10—Triggers; Trigger mountings
Definitions
- the object of my invention is to produce a firing-pin adapted to both rim-fire and centerfire cartridges.
- the invention consists in a novel construction, arrangement, and combination, with the breech-block, of a firing-pin and a plug which carries the same, the firing-pin having a reciprocating longitudinal motion inthe plug, which is arranged so that it may be turned in its seat in the breech-block without being removed therefrom, in order to adjust the firingpin for either center firing or rim firing.
- the plug is held in place by means of a nut engaging with a screw-thread on its rear portion.
- the plug may be cylindrical or tapering; but I prefer to make it tapering, as it is thus held tightly in place when the nut is screwed up.
- the axis of rotation of the plug is parallel with the axis of the bore of the firearm; and if the plug is cylindrical its axis should be somewhat higher than that of the bore.
- the firing-pin works longitudinally in the plug, and is provided with a spring for holding it in a retracted position. By rotating the plug in its seat in the breechblock, the firing-pin is adjusted to either the rim or the center of the cartridge.
- the invention is represented as applied to a pistol.
- the barrel A, stock B, and breech- .block 0 are of the usual or any suitable construction.
- the plug D is here shown as tapering or conical, and inserted in a seat or recess of corresponding form in the breechblock 0, with the face of the plug flush with the face of thebreech-block.
- the rear end of the plug projects beyond the rear side of the breech-block, and is provided with a screwthread for the reception of the nut E, by which means the plug is held tightly and firmly in its seat.
- the firing-pin Gr works longitudinally in the plug D, parallel with one of its tapering sides, and is provided with a spring, f, for holding it in a retracted p0sition.
- the firing-pin When the plug is in the position shown in Fig.1, the firing-pin is adjusted for centerfiring. By loosening the nut E and rotating the plug in its seat in the breech-block a dis tance equal to about a half-circle, the firingpin is adjusted for rim firing, and is so held, tightly and firmly, by simply tightening the nut. Thus the firing-pin is readily adjusted to, and securely held in, either of the positions described without the necessity for removing any of the parts from the breech-block. If the plug is made cylindrical, the firing-pin may be arranged either obliquely to the axis, or paralleltherewith, but eccentric thereto. By making the plug tapering, it is impossible for it to be blown out when the charge is exploded.
- plug and firing-pin By this construction and arrangement of the plug and firing-pin, they may be applied to fire-arms of various descriptions, and are adapted to barrels of various caliber-s; so that a barrel may be removed from the stock and replaced by one of different caliber, as indicated in Fig. 4, without changing the plug or firing-pin.
- the firing-pin G having a reciprocating longitudinal motion, and the plug D capable of a rotating motion in the breech-block, the whole so constructed and arranged that the firing-pin can be adjusted to strike either the center or edge of the cartridge, substantially as described.
Description
lvrrnn STATES LUOIUS DIMOOK, OF LEEDS, MASSACHUSETTS.
IMPROVEMENT IN ADJUSTABLE FIRING-PINS FOR BREECH-LOADING FIRE-ARMS.
Specification forming part of Letters Patent No. 172,716, dated January 25, 1876; application filed December 22, 1875.
To all whom it may concern:
Be it known that I, LUoIUs DIMOGK, of Leeds, in the county of Hampshire and State of Massachusetts, have invented an Improvement in Firing-Pins for Breech-Loading Fire- Arms and I do hereby declare that the following is a full, clear, and exact description of the same:
The object of my invention is to produce a firing-pin adapted to both rim-fire and centerfire cartridges. I
The invention consists in a novel construction, arrangement, and combination, with the breech-block, of a firing-pin and a plug which carries the same, the firing-pin having a reciprocating longitudinal motion inthe plug, which is arranged so that it may be turned in its seat in the breech-block without being removed therefrom, in order to adjust the firingpin for either center firing or rim firing.
In carrying out my invention, Imake in the breech-block of the fire-arm a recess, which forms a seat for a plug carrying the firing-pin. The plug is held in place by means of a nut engaging with a screw-thread on its rear portion. The plug may be cylindrical or tapering; but I prefer to make it tapering, as it is thus held tightly in place when the nut is screwed up. The axis of rotation of the plug is parallel with the axis of the bore of the firearm; and if the plug is cylindrical its axis should be somewhat higher than that of the bore. The firing-pin works longitudinally in the plug, and is provided with a spring for holding it in a retracted position. By rotating the plug in its seat in the breechblock, the firing-pin is adjusted to either the rim or the center of the cartridge.
The accompanying drawing illustrates the manner of carrying out my invention, Figure 1 being a sectional view, showing the firingpin adjusted for center firing; Fig. 2, a similar view, with the pin adjusted for rim firing; Fig. 3, a face view of the plug; and Fig. 4, a detail View.
The invention is represented as applied to a pistol. The barrel A, stock B, and breech- .block 0 are of the usual or any suitable construction. The plug D is here shown as tapering or conical, and inserted in a seat or recess of corresponding form in the breechblock 0, with the face of the plug flush with the face of thebreech-block. The rear end of the plug projects beyond the rear side of the breech-block, and is provided with a screwthread for the reception of the nut E, by which means the plug is held tightly and firmly in its seat. The firing-pin Gr works longitudinally in the plug D, parallel with one of its tapering sides, and is provided with a spring, f, for holding it in a retracted p0sition.
When the plug is in the position shown in Fig.1, the firing-pin is adjusted for centerfiring. By loosening the nut E and rotating the plug in its seat in the breech-block a dis tance equal to about a half-circle, the firingpin is adjusted for rim firing, and is so held, tightly and firmly, by simply tightening the nut. Thus the firing-pin is readily adjusted to, and securely held in, either of the positions described without the necessity for removing any of the parts from the breech-block. If the plug is made cylindrical, the firing-pin may be arranged either obliquely to the axis, or paralleltherewith, but eccentric thereto. By making the plug tapering, it is impossible for it to be blown out when the charge is exploded.
By this construction and arrangement of the plug and firing-pin, they may be applied to fire-arms of various descriptions, and are adapted to barrels of various caliber-s; so that a barrel may be removed from the stock and replaced by one of different caliber, as indicated in Fig. 4, without changing the plug or firing-pin.
What I claim as new, and desire to secure by Letters Patent, is-
In combination with the breech-block of a fire-arm, the firing-pin G, having a reciprocating longitudinal motion, and the plug D capable of a rotating motion in the breech-block, the whole so constructed and arranged that the firing-pin can be adjusted to strike either the center or edge of the cartridge, substantially as described.
LUUIUS DIMOOK. Witnesses:
E. FREEMAN, GEORGE H. RAY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US172716A true US172716A (en) | 1876-01-25 |
Family
ID=2242123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US172716D Expired - Lifetime US172716A (en) | Improvement in adjustable firing-pins for breech-loading fire-arms |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US172716A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976638A (en) * | 1958-06-13 | 1961-03-28 | John G Owens | Subcaliber conversion assembly for revolvers |
| US3050894A (en) * | 1960-03-18 | 1962-08-28 | Jessie T Ivy | Rotatably adjustable firing pin for center or rim fire cartridges |
| US6367389B1 (en) | 1999-10-25 | 2002-04-09 | Mark A. Westrom | Cartridge for a firearm |
| US20040107859A1 (en) * | 1999-10-25 | 2004-06-10 | Reynolds S. Paul | Cartridge for a firearm |
| US20050115445A1 (en) * | 2003-11-06 | 2005-06-02 | Reynolds S. P. | Piston head cartridge for a firearm |
| US7581344B2 (en) | 2004-12-22 | 2009-09-01 | Armalite, Inc. | Weapon extractor and cartridge |
| US7841279B2 (en) | 2006-05-24 | 2010-11-30 | Reynolds George L | Delayed extraction and a firearm cartridge case |
-
0
- US US172716D patent/US172716A/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976638A (en) * | 1958-06-13 | 1961-03-28 | John G Owens | Subcaliber conversion assembly for revolvers |
| US3050894A (en) * | 1960-03-18 | 1962-08-28 | Jessie T Ivy | Rotatably adjustable firing pin for center or rim fire cartridges |
| US6959647B2 (en) | 1999-10-25 | 2005-11-01 | Mark A. Wistrom | Cartridge for a firearm |
| US20040107859A1 (en) * | 1999-10-25 | 2004-06-10 | Reynolds S. Paul | Cartridge for a firearm |
| US20050011394A1 (en) * | 1999-10-25 | 2005-01-20 | Westrom Mark A. | Cartridge for a firearm |
| US6367389B1 (en) | 1999-10-25 | 2002-04-09 | Mark A. Westrom | Cartridge for a firearm |
| US6976431B2 (en) | 1999-10-25 | 2005-12-20 | Armalite Inc. | Cartridge for a firearm |
| US20070234923A1 (en) * | 1999-10-25 | 2007-10-11 | Mark A. Westrom | Cartridge for a firearm |
| US7458322B2 (en) | 1999-10-25 | 2008-12-02 | Mark A. Westrom | Cartridge for a firearm |
| US20050115445A1 (en) * | 2003-11-06 | 2005-06-02 | Reynolds S. P. | Piston head cartridge for a firearm |
| US7165496B2 (en) | 2003-11-06 | 2007-01-23 | Reynolds S Paul | Piston head cartridge for a firearm |
| US7581344B2 (en) | 2004-12-22 | 2009-09-01 | Armalite, Inc. | Weapon extractor and cartridge |
| US7841279B2 (en) | 2006-05-24 | 2010-11-30 | Reynolds George L | Delayed extraction and a firearm cartridge case |
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