US34319A - Improvement in breech-loading fire-arms - Google Patents
Improvement in breech-loading fire-arms Download PDFInfo
- Publication number
- US34319A US34319A US34319DA US34319A US 34319 A US34319 A US 34319A US 34319D A US34319D A US 34319DA US 34319 A US34319 A US 34319A
- Authority
- US
- United States
- Prior art keywords
- breech
- hammer
- pin
- barrel
- eccentric
- 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
- 210000002445 Nipples Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 229910001296 Malleable iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 239000010959 steel Substances 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
- F41A3/54—Bolt locks of the unlocked type, i.e. being inertia operated
- F41A3/56—Bolt locks of the unlocked type, i.e. being inertia operated the bolt being provided with an additional slidable mass
Definitions
- This invention consists in a novel mode of combining the breech-loading firearm with and operating the same by means of the hammer; also, in a certain mode of combining the breech with the lock.
- A is the frame, of steel or malleable iron, serving to contain the lock, to carry the barrel B and movable breech C, and to attach the whole to the stock.
- This frame has provided on its front part a socket, 1), into which the barrel B is screwed tightly, and behind this socket and below the bore of the barrel the top face, a a, of the said frame is made Hat and parallel with the bore for the reception of the breech C, which works on the topof the said frame.
- the breech C consists of a plate furnished at its front end with a gas-choke, 0, of any suitable construction, to enter into and close the rear of the barrel; and it has in its rear portion a circular opening to fit an eccentric, D, that is fast upon the pin E, which constitutes the pivot of the hammer F, and to which pin being arranged in an upright position perpendicular to the bore of the barrel, and fitted to turn in a bearing provided for it in the frame A.
- springs I I act to produce the The breech, so applied, is capable of swinging in a direction lateral to the stock andbarrel of the gun, to open the bore at the rear for the reception of the charges, and to close it again alter the insertion thereof, the said swinging movement being produced by the turning of the hammer-pin E and eccentric D, the breech being attached to the eccentric by means ot'a screw, d, screwing through the back of the breech and entering a groove, 0 r, in the periphery of the eccentric.
- This groove 6 r is long enough to allow the pin E and eccentric a suflicient amount of movement independently of the breech to permit the action of the hammer, and to produce the necessary forward and backward movement of the breech to place the gaschoke 0 within and withdraw it from the barrel.
- the extent of the swinging movement of the breech'itselt' is regulated by a pin.f, screwed or otherwise inserted through and secured in it, and entering a groove, 9 h i, in the top of the frame A.
- the part 9 h of this groove is of the form of an are described from the axis of the pin E, and the part It i has a forward direction, the points 9 and h serving as stops to the pin f, and so controlling the extent of swinging movement of the breech, and the part h i permitting the forward movement.
- the tumbler G On the lowest part of the pin E is formed or secured the tumbler G, which is of cylindrical form, and has provided in it a square notch, j. for the reception of the front of the trigger H, which is of usual construction and applied in the usual manner.
- the said pin E Above the tumbler the said pin E is made offlat form, (best illustrated in Figs. 4 and 5,) and upon this flattened portion of the said pin the main, blow of the hammer and to assist in operating the breech, as will be presentlydeseribed.
- These springs two in number, are applied, as shown in Figs. 4 and 5, to press on opposite sides ofthe flattened portion 7c of the pin E.
- I p refer to use, in connection with this mode of applying and operating the breech, an expanding gas-choke or ring attached to the breech and entering the barrel, or vice versa.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Electrophonic Musical Instruments (AREA)
Description
'G. M. SPENCER. BREEGHY LOAfiING FIREARM.
No. 34,319 Patented Feb. 4, 1862.
the hammer is also fast, the said UNITED STATES PATENT OFFICE.
IMPROVEMENT IN BREECH -LOADING FIRE-ARMS.
Specification forming part of Letters Patent No. 34,3 l9. dated February 4, 1562.
To all whom it may concern Be it known that I, CHRISTOPHER M. SPEN- OER, of South Manchester, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Breech-Loading Fire-Arms; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification, in which- Figure l is a side view, partly in section, of the breech, part of the barrel, the lock, the stock-frame, and the breech-operating mechanism of a rifle with my improvements. Fig. 2 is a top view of the same, partly in section, showing the breech in the position which it occupies when the hammer is cocked. Fig. 3 is a top view, showing the breech in condition for loading. Figs. 4 and 5 are horizontal sectionsot' parts of the lock and breechoperating mechanism in different conditions.
Similar letters of reference indicate corresponding parts in the several figures.
This invention consists in a novel mode of combining the breech-loading firearm with and operating the same by means of the hammer; also, in a certain mode of combining the breech with the lock.
To enable others skilled in theart to make and use my invention, I will proceed to describe its construction and operation.
A is the frame, of steel or malleable iron, serving to contain the lock, to carry the barrel B and movable breech C, and to attach the whole to the stock. This frame has provided on its front part a socket, 1), into which the barrel B is screwed tightly, and behind this socket and below the bore of the barrel the top face, a a, of the said frame is made Hat and parallel with the bore for the reception of the breech C, which works on the topof the said frame.
The breech C consists of a plate furnished at its front end with a gas-choke, 0, of any suitable construction, to enter into and close the rear of the barrel; and it has in its rear portion a circular opening to fit an eccentric, D, that is fast upon the pin E, which constitutes the pivot of the hammer F, and to which pin being arranged in an upright position perpendicular to the bore of the barrel, and fitted to turn in a bearing provided for it in the frame A.
springs I I act to produce the The breech, so applied, is capable of swinging in a direction lateral to the stock andbarrel of the gun, to open the bore at the rear for the reception of the charges, and to close it again alter the insertion thereof, the said swinging movement being produced by the turning of the hammer-pin E and eccentric D, the breech being attached to the eccentric by means ot'a screw, d, screwing through the back of the breech and entering a groove, 0 r, in the periphery of the eccentric. This groove 6 r is long enough to allow the pin E and eccentric a suflicient amount of movement independently of the breech to permit the action of the hammer, and to produce the necessary forward and backward movement of the breech to place the gaschoke 0 within and withdraw it from the barrel. The extent of the swinging movement of the breech'itselt' is regulated by a pin.f, screwed or otherwise inserted through and secured in it, and entering a groove, 9 h i, in the top of the frame A. The part 9 h of this groove is of the form of an are described from the axis of the pin E, and the part It i has a forward direction, the points 9 and h serving as stops to the pin f, and so controlling the extent of swinging movement of the breech, and the part h i permitting the forward movement.
On the lowest part of the pin E is formed or secured the tumbler G, which is of cylindrical form, and has provided in it a square notch, j. for the reception of the front of the trigger H, which is of usual construction and applied in the usual manner. Above the tumbler the said pin E is made offlat form, (best illustrated in Figs. 4 and 5,) and upon this flattened portion of the said pin the main, blow of the hammer and to assist in operating the breech, as will be presentlydeseribed. These springs, two in number, are applied, as shown in Figs. 4 and 5, to press on opposite sides ofthe flattened portion 7c of the pin E. The arrangement of'this portion it relatively to the hammer is such that when the hammer is upon the nipple the springs press directly against the flat sides. as shown in Fig. 5, and exert no tendency to turn the pinfbut as the hammer is drawn back the corners of the said portion It are brought against the springs, as shown in Fig. 4, which represents the position of the pin when the hammer is cooked and the springs are caused tobe strained, and their pressure upon the corners then tends to throw the hammer upon the nipple. Both springs have the same action,and hence-asingle spring of great strength may be used; but I prefer to use the two.
The operations of loading and discharging "are as follows: To open the breech, the hammer is drawn back, as in cockingit, anda finger is pressed against the trigger to draw it back sutficiently to allowthe cock-notch j to pass it and the trigger to be drawn back beyond the cocked position. During the first part of this movement the eccentric D, which always moves with the hammer by reason of both being fast upon the pin E, draws the breech back-aiittle way, as shown in Fig. 2, which represents the position of the parts when the hammer-is cocked, and the continued drawing back of the hammer continues, drawing back the breech until the gas-choke c is entirely withdrawn from the barrel and the breech is free to swing aside, when the arrival of tlie end r of the groove in the eccentrio in contact with the screw (Z causes the breech to move with the hammer and to be swung aside by .the continued drawing back thereof. In the above movement the pin E makes considerably more than a quarter of a revolution, and the flattened portion lc passes theposition in which it stands directly across between the mainsprings. just as the breech is drawnback far enough to clear the barrel, and after it has passed this position the springs act upon itto turn the pin in the opposite direction to that in which they previonsl y tended to turn it; and hence as soon as the hammer has been drawn back to the position just above mentioned the breech will be thrown aside to the position shown in Fig. 3 by the action of the mainsprings. 'When the breech has thus been moved aside far enough to afford proper facility for the insertion of the charge at the rear of the barrel, it is stopped by the pinf coming in contact with the end 7 of the slot in the frame A. To close the breech, the hammer F is now pushed forward toward the nipple, and the breech is caused to move with it by'the friction between the point of the screw (1 and the bottom of the groove e 0',
which is rather full toward the end 1*,- but when the pin f arrives in' contact with the point h of the groove in the frame A the breech is stopped in its swinging movement,
with its gas-choke. directly opposite the barrel, and the continued movement of the hammer in the same direction causes the eccentric to move the breechforward, the springs; I 1 commencing to assist such movement after the flat'p'ortion' la of the pin E verse position. In this movement the hammer is stopped on the arrival of the .notch j opposite the trigger by the latter slipping into the said notch, and so cockingthe hammer. ()n pulling the trigger to fire, themo'vemcnt of the hammer to strike the priming is accompanied by a slight further forward movement of the breech produced by the movement of the eccentric.
I p refer to use, in connection with this mode of applying and operating the breech, an expanding gas-choke or ring attached to the breech and entering the barrel, or vice versa.
Having thus described my invention, I will proceed to state what I claim as new- 1. In combination with the breech G and eccentric D, applied as described, the hammer F, secured to the eccentric for the purpose of enabling the breech to be operated by i the movements'ot' the hammer, substantially as herein specified.
2. In combination with the hammer F, eccentric D, and breech O, the main spring or Springs 1 I, so applied in relation with a hattened portion, la, of the hammer-pin that the said spring or springs serve not only to pro duce the blow of the hammer, but to assist in operating the breech, as herein set forth.
3. The cylindrical tumbler G, so applied on an upright axis and in combination with the hammer and trigger as to allow the cocknotch j to pass beyond the trigger and the hammer to be thrown back for the operation of the breech beyond the position in which it is cooked, substantially as herein specified.
O. M. SPENCER.
Witnesses:
D. W. C. PERRY, A. O SPENCER.
passes the transr
Publications (1)
Publication Number | Publication Date |
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US34319A true US34319A (en) | 1862-02-04 |
Family
ID=2103904
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Application Number | Title | Priority Date | Filing Date |
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US34319D Expired - Lifetime US34319A (en) | Improvement in breech-loading fire-arms |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5941532A (en) * | 1996-06-20 | 1999-08-24 | Rexnord Corporation | Aerospace housing and shaft assembly with noncontacting seal |
US6074166A (en) * | 1998-10-01 | 2000-06-13 | Moddemeijer; Pieter J. H. | Pump |
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0
- US US34319D patent/US34319A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5941532A (en) * | 1996-06-20 | 1999-08-24 | Rexnord Corporation | Aerospace housing and shaft assembly with noncontacting seal |
US6074166A (en) * | 1998-10-01 | 2000-06-13 | Moddemeijer; Pieter J. H. | Pump |
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