US164568A - Improvement in breech-loading ordnance - Google Patents
Improvement in breech-loading ordnance Download PDFInfo
- Publication number
- US164568A US164568A US164568DA US164568A US 164568 A US164568 A US 164568A US 164568D A US164568D A US 164568DA US 164568 A US164568 A US 164568A
- Authority
- US
- United States
- Prior art keywords
- breech
- pin
- screw
- head
- loading
- 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
- 239000000969 carrier Substances 0.000 description 12
- 238000010304 firing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000414 obstructive 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
- 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
- F41A3/30—Interlocking means, e.g. locking lugs, screw threads
Definitions
- PETER B LAWSON, on com) SPRING, N. Y., ASSIGNOR TO GOUVERNEUR PAULDING, OF SAME PLACE.
- My invention consists of a hollow plug having-external screw-threads and internal longitudinal grooves, a breech pin having a winged head adapted to said grooves, and a carrier for the breech-pin, having a cavity for the reception of the head of the breech-pin, whereby a novel breech-loading system and a very secure closing of the breech is obtained, and convenience is afforded for firing and loading, and which is applicable without difficulty to the conversion of old mukzle-loading guns.
- Figure 1 is a central longitudinal section of a breech-loading cannon, constructed according to my invention.
- Fig.2 is a transverse section, taken I in the line as a: of Fig. 1.
- Fig. 3 is a rear end view.
- Fig. 4. is a similar view with the breechcloser removed.
- Fig. 5 is a side view of the breech-closer.
- Fig. 6 is a rear end view of the same, with the pin removed.
- Fig. 7 is a side view of the breech-pin.
- the breech of the gun is bored through in line with the regular bore, and in rear of the chamber a.
- the bore of the breech is enlarged concentric with the regular bore, and has a female screw cut in it for the reception of the male thread b on the exterior of the hollow screw-plug B, to which all the parts of the parts of the breech system are attached.
- In front of the female screw-thread a there is a broad shoulder, s, surrounding the rear of the chamber a.
- the device for closing the breech consists of a breech-pin, 0, having a winged head, E, at its inner end.
- D is a breechpin carrier, attached to the rear end of the screw-plug by a pin, 6, on which it swings in a direction perpendicular to the bore of the gun, and provided with a catch, f, for holding it in place when closed.
- a pin, 6 On its inner side is a circular recess, d, of a depth equal to the thickness of the head E,- and in its center is a opening, through which the breech-pin 0 works.
- the rotary motion of the pin is limited by the engagement of a stud, 9 on the pin and a groove, 9 in the outer side of the carrier when the breech is closed, and is prevented by the engagement of a stud, h in the recess d and a hole, k in the outer or rear side of the head E, when the breech is open for loading.
- the head E works in the hollow screw-plug after the manner of a piston in a cylinder, the pin 0 working through the carrier like a piston-rod through a cylinder-head.
- the plug B is in place in the breech, with the pin in the position shown in Figs. 1 and 5, the front face of the head E comes up against the shoulder s s at the rear of the chamber a".
- a gas-ring of suitable construction may be provided between the face of the breech-pin and the shoulder 8.
- the carrier D is then swung back to its place, so as to cover the open rear end of the screw; the breech-pin is pushed in, with the wings engaging with the grooves, until the charge is in place in the chamber a and the head E has reached the ends of the lands 12 when the pin 0 is turned so as to bring the wings c between the inner ends of the lands and the rear end of the bore.
- the screw B is then tightened by turning the handle c in the proper direction, and the gun is ready for firing.
Description
P. B. LAWSUN.
Brawn-wading Manama.
Patented June 15, 1875.
PETER B. LAWSON, on com) SPRING, N. Y., ASSIGNOR TO GOUVERNEUR PAULDING, OF SAME PLACE.
IMPROVEMENT IN BREECH-LOADING ORDNANCE. I
Specification forming part of Letters Patent No. 184,568, dated J une 15, 1875 application filed March 4, 1875. i
To all whom. it may concern:
Be it known that I, PETER B. LAWSON, of Cold Spring, in the county of Putnam and State of New York, have invented certain new and useful Improvements in Breech-Loading Ordnance; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had tothe accompanying drawing, forming part of this specification.
My invention consists of a hollow plug having-external screw-threads and internal longitudinal grooves, a breech pin having a winged head adapted to said grooves, and a carrier for the breech-pin, having a cavity for the reception of the head of the breech-pin, whereby a novel breech-loading system and a very secure closing of the breech is obtained, and convenience is afforded for firing and loading, and which is applicable without difficulty to the conversion of old mukzle-loading guns.
In the accompanying drawing, Figure 1 is a central longitudinal section of a breech-loading cannon, constructed according to my invention. Fig.2 is a transverse section, taken I in the line as a: of Fig. 1. Fig. 3 is a rear end view. Fig. 4. is a similar view with the breechcloser removed. Fig. 5 is a side view of the breech-closer. Fig. 6 is a rear end view of the same, with the pin removed. Fig. 7 is a side view of the breech-pin. Fig. Sis a section of the same.
The breech of the gun is bored through in line with the regular bore, and in rear of the chamber a. the bore of the breech is enlarged concentric with the regular bore, and has a female screw cut in it for the reception of the male thread b on the exterior of the hollow screw-plug B, to which all the parts of the parts of the breech system are attached. In front of the female screw-thread a there is a broad shoulder, s, surrounding the rear of the chamber a. The device for closing the breech consists of a breech-pin, 0, having a winged head, E, at its inner end. Inside the screwplug there are provided equidistant longitudlnal grooves b and intervening lands b the said lands terminating at a distance from the front end of the said screw-plug slightly less than the thickness of the winged head E of the breech-pin. This winged head fits easily to the grooved interior of the screw-plug, so as to be capable of sliding freely therein, its wings c fitting the grooves b of the screwplug, and its depressions 0 between the wings, fitting the lands b and the wings are capable of turning within the space provided in the interior of the screw-plug in front of the lands b. D is a breechpin carrier, attached to the rear end of the screw-plug by a pin, 6, on which it swings in a direction perpendicular to the bore of the gun, and provided with a catch, f, for holding it in place when closed. On its inner side is a circular recess, d, of a depth equal to the thickness of the head E,- and in its center is a opening, through which the breech-pin 0 works. The rotary motion of the pin is limited by the engagement of a stud, 9 on the pin and a groove, 9 in the outer side of the carrier when the breech is closed, and is prevented by the engagement of a stud, h in the recess d and a hole, k in the outer or rear side of the head E, when the breech is open for loading. The head E works in the hollow screw-plug after the manner of a piston in a cylinder, the pin 0 working through the carrier like a piston-rod through a cylinder-head. When the plug B is in place in the breech, with the pin in the position shown in Figs. 1 and 5, the front face of the head E comes up against the shoulder s s at the rear of the chamber a". In order to make a tight joint and prevent the backward escape of gas when the gun is fired, a gas-ring of suitable construction may be provided between the face of the breech-pin and the shoulder 8.
The parts being in the positionshown in Fig. 1, to open the breech for the purpose of loading the gun the screw B is loosened by slightly turning the handle 0 The breechpin 0 is then turned by means of its handle 0, so as to bring the wings a in line with the grooves b and is then. drawn out until the head'E enters the recess d and the stud 71. enters the hole W. The carrier D is then swung around on its pivot so as to expose the interior of the hollow screw and allow thecharge to be inserted through it into the chamber. The
carrier D is then swung back to its place, so as to cover the open rear end of the screw; the breech-pin is pushed in, with the wings engaging with the grooves, until the charge is in place in the chamber a and the head E has reached the ends of the lands 12 when the pin 0 is turned so as to bring the wings c between the inner ends of the lands and the rear end of the bore. The screw B is then tightened by turning the handle c in the proper direction, and the gun is ready for firing.
By the provision of the screw-plug, which carries the operating parts of my invention, it will be observed that it can be removed with ease, and there-is no obstruction to the proper cleansing of the gun and the plug, and,
ity for the reception of the head of the breechpin, substantially as described, for the purpose specified.
PETER B. LAWSON. Witnesses:
THOMAS OBRIEN, S. F. BARROWS.
Publications (1)
Publication Number | Publication Date |
---|---|
US164568A true US164568A (en) | 1875-06-15 |
Family
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Family Applications (1)
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US164568D Expired - Lifetime US164568A (en) | Improvement in breech-loading ordnance |
Country Status (1)
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US (1) | US164568A (en) |
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- US US164568D patent/US164568A/en not_active Expired - Lifetime
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