IMPROVEMENTS IN MAGAZINE FIRE ARMS
Year: 1884

page_text: I BETHEL BURTON Engineer Office of Oastler. Palmer & Co Market Street
Bermondsey SE London, do hereby declare the nature of my invention for
IMPROVEMENTS IN MAGAZINE FIRE ARMS to be as follows:-
Letters Patent No 4046 were granted to me the fifth of October 1880 in Great
Britain for breech loading repeating Fire-arms, the present is an improvement
upon the Patent referred to and a reference is hereby made to said letters Patent
for a more full description of the parts that are not herein fully described.
In the specification of my said Patent a Breach Receiver is set forth and a breach
closing bolt secured therein by sectional screws.
My present improvement relates to the construction of the receiver which enables
me to adopt a different bolt, which is more readily and cheaply made and is
supported in the receiver by lugs or splines' and the receiver is also less expensive
to make, and is also adapted to use the hopper magazines of the patent referred to,
and it is so constructed that if the cartridge should stick fast, the bolt in opening
forceably extracts the cartridge; The bolt may be made fast in the receiver by a
locking bolt whereby and the combined action of a cam upon the rear end of the
firing pin and the lever of the bolt for drawing the firing pin within the bolt, the
arm can be carried with safety when loaded and the bolt prevented from moving in
the receiver. The extractor is formed of a round wire working in a hole formed
in the front end of the bolt and secured therein by a pin or screw.
The carrier, trigger guard, sear, and sear spring, in the patent referred to, I adapt
to suit the present action.
By the adoption of a spring stop I am enabled to attach or remove the hopper
from the receiver at will so that the hopper may be carried on the soldiers' waist
belt and the arm used as a single breech loader until the hopper is required to be
used on the gun.
•
The cartridge is exploded by the firing pin actuated by a hellical spring' within
the bolt.
The hopper is placed on the left side of the gun by preference the object being
to make the loading of the gun more convenient, when using the gun as a breech
loader, by giving more access to the barrel chamber, in enlarging the opening into
the receiver, it is necessary to prevent the cartridge from being thrown or fallen
out of the receiver by the upward motion of the carriér, this I accomplish by an
over bang formed in the receiver over the head of the cartridge at one end, and
over the point of the bullet at the other end. The carrier is operated by the action
of the bolt, in opening and closing the breech by a grove formed in the bolt and an
arm of the carrier in the manner set forth in my patent referred to.
2011 L..
:

page_text: I, BETHEL BURTON Engineer office of Oastler, Palmer & Co Market Street
Bermondsey S.E. London, do hereby declare the nature of my invention for
IMPROVEMENTS IN MAGAZINE FIRE ARMS' and in what manner the same is to be
performed, to be particularly described and ascertained in and by the following
statement:
My present invention relates to improvements upon a Patent formerly granted
to me in Great Britain dated 11th March 1874 N° 884 and another dated the
5th October 1880 No 4046, for Breech Loading Repeating Fire Arms the present is
an improvement upon the same and a reference is hereby made to said letters
patent for a more full description of the parts that are not herein fully described
and I do hereby declare the nature of my present invention for Improvements in
Magazine Fire Arms, and in what manner the same is to be performed to be
particularly described. and ascertained in and by the following statement and to
the drawings hereunto annexed, to the letters and figures marked thereon which
I make part of this specification similar letters referring to similar parts.
Fig 1, is a longitudinal vertical section at the breech.
Fig 2. is a similar view modified.
Fig: 3. is a side view of the breech receiver.
Fig 4. is a bottom view of the same.
:
Fig 5, is a top view of the receiver and hopper..
Fig 6. is a vertical cross section of the same and cut off.
Fig 7. is a front end view of the receiver.
:
Fig: 8. is a rear end view of the same.
Fig 9, is the firing pin detached showing the cam for cocking.
Fig 10. is a similar view of the modification.
Fig: 11. is a top view of the cam piece for cocking the arm.
Fig: 12. is a rear part of the breech closing bolt and lever.
Fig: 13. is the front part of the breech bolt showing the guide on the tenon.
Fig 14. is a rear end view of the bolt lever.
Fig 15. is a front view of bolt and lever.
Fig: 16. is a front end view of the breech bolt and coupling spline.
Fig 17. is a rear end view of the front part of the bolt.
Fig: 18. is a modification rear end view of breech receiver.
Fig 19. is a view of the cam on the tenon of the bolt.
Figs 20 & 21, are views of the cut off detached from the hopper.
The bolt B and B¹ when coupled slides in the breech receiver A, the bolt in
patent refered to is supported in the receiver by a sectional screw my present bo
is supported in the receiver by a lug or spline, a, against a shoulder a" on th
receiver A, the bolt is made in two pieces and is coupled together by the spline
and corresponding spline d on the front part of the bolt B and by a tenon on th
Bolt B¹ which enters the hole in bolt B, in a manner shown in Figs : 1. 2.´ 0
the rear end of the bolt B a lug or can x¹, is formed and on the rear end of th
receiver A, a cam x, is made, so that when the handle a', of the bolt B, is turne
vertical the cam a slides down the can c, and cams' back the bolt B and B
should therefor a cartridge in the chamber of the barrel, stick fast, the cams x,
forces the cartridge out with ease by a slight pressure of the hand on the leve
handle.

page_text: The extractor, q, is placed in a hole in the side of the spline d, and secured in
place by a pin running laterally through the spline d, and partially through the
rear end of the extractor, q and in the under side of the bolt B¹, opposite the
extractor, q, an ejector pin v, is placed which is held in place by a screw.
The
5 object of so placing the extractor and ejector is for the purpose of throwing out
the spent cartridge laterally when ejected, to avoid throwing them in the faces of
the persons manipulating the arm; to prevent the bolt from being drawn too far
out of the receiver A, a stop d, is let into the spline d, and secured therein by
preference by a dovetail and screw, a shoulder all, is formed on the receiver A,
Dagainst which the stop piece d' strikes and arrests the further motion of the bolt
backwards.
In the receiver A, a cartridge carrier S, is made to work, this carrier is pivoted
to the the trigger guard, an arm, 1 of the carrier extends up through the receiver
and into an L shaped groove r, Figs. 16. 17. cut in the bolt B and B', the shoulder
at each end of the groover, strikes the arm'r, and operates the carrier S, when the
bolt B and B¹, are withdrawn the ejector pin v, strikes the arm 71, and throws the
cartridge clear out of the receiver A. The hopper. magazine C, is placed on the left
side of the receiver and the cartridges lay side by side and feed on to the carrier S,
by gravity through the opening C₁; in order to prevent the cartridge on the carrier
from being thrown out of the receiver when lifted up in front of the bolt; two
ribs on each side of the chamber of the receiver extends over the head of the
cartridge far enough to prevent the head of the cartridge from passing through and
on the top front end of the receiver, an overhang 611 extends over the chamber of
the receiver under which the front end of the bolt B' enters, the bullet end of the
cartridge, is held down by the overhang 6", and thus the cartridge is prevented
from being thrown out of the receiver; a friction spring is placed in the carrier, S,
secured in place by a screw SI, which acts as a support for the carrier when lifted
up with a cartridge, The hopper C, may be carried on the person, and the arm
used as an ordinary breech loader, or the hopper may be placed on the receiver and
both magazines filled with cartridges, and the cartridges retained therein by a cut
off, and the arm used as a single breech loader; a tube magazine is placed in. the
stock under the barrel; when two, magazines are required, or if preference is give
to it over the hopper magazine C, on the side of the receiver.
The under magazine being already described and set forth in my former patent,
reference is made thereto for details A dovetail o, is made on the side of the
receiver and corresponding dovetail made on the hopper, C, by which the hopper is
secured to the receiver A, I provide a cut off W, which I attach to the hopper C,
by a thumb screw W₁, this thumb screw also serves to fasten the hopper C, on the
receiver; the cut off is provided with a friction spring stop, y, to keep it in position
the forked end of the stop y prevents the thumb screw from unscrewing too far out
and detaching the cut off from the hopper, owing to the collar won the thumb
screw W', the arm w¹, of the cut of W, may be made to act as a friction spring if
prefered, the arm is cocked by a cam i, on the tenon of the bolt B', Fig: 19, and
on the firing pin e¹, Fig: 9, in the manner shown on Fig: 1. On the rear end of
the firing pin. Figs: 1. 9. a nut g', is screwed on, and is prevented from turning
and coming off by a set screw, g¹, a guide nut g is screwed into the rear end of the
bolt B, through which the firing pin passes, the guide nut, g, extends back and in
to a hole made in the nut g', and relieves the firing pin from the lateral strain put
upon it when the bolt B, is closed; the guide nut also serves to close the hole in
the bolt B, and as a support for the rear end of the helical spring, when the bolt B
is pushed into the receiver A, the nut g¹, engages in the sear p, and the pressure of
the helical spring, m, is transfered from the camus, e and e¹, on to the sear p, the
sear p, is pivoted to the receiver A, and is pressed up in place by a spring p',
secured to the under side-of the receiver A.
,
On the rear parts of the cam e¹ on the firing pin, a shoulder is formed for the
elical spring m, to press against and a spline f, is formed on the cam, and a

page_text: .
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groove, f¹ is made in the hole in the bolt B, Fig: 1, in which the spline f, slides so
that when the bolt B, is turned the firing pin is made to turn with it, and the
cams i, and e¹ cams' back the firing pin. The diameter of the nut g, being larger
than the diameter of the bolt B, the nut g, engages the sear p, while the bolt B, is
turned and secured in the receiver, the firing pin and the cam e¹, is then free to 5
advance when the trigger is pulled, the latter acts on the sear p, and releases the
nut g, and the spring m, acting against the rear end of the guide nut, in the
bolt B, and the shoulder f, on the firing pin; delivers the blow which fires the
charge. Figs 2. 10. 11. 13 and 14 show a modification of the method of cocking;
a groove, t, is made in the receiver A, Fig. 2, extending to the arm of carrier ₁₁,
and the cam piece Fig. 11 which is secured to the firing pin by an inside nut k
slides in the groove t; the cam j, on the cam piece Fig. 11. acts in the cam j
.in the rear end of the bolt B, the nut k, is prevented from unscrewing by a set
screw ¹, in the cam piece Figs 2. and 11. and the firing pin is prevented from
turning by the firing pin i, in the groove cut in the tenon i, of the bolt B¹
Fig: 13.
The action of the cams ; and j¹ are the same as the action of the cam action,
Fig. 1. 9. 19. already described.
The housing D, for the butt stock D, is by preference, attached to the receiver A,
by screws or rivets, the object of this is to facilitate the manufacture of the arm.
I provide a locking bolt h, on the side of the receiver on which there is a thumb
piece to carry the arm with safety when loaded, the thumb piece is turned up,
and the lever handle a¹ of the bolt B, is also turned up, which cams back the firing
pin when the hole 1, in the handle a' comes opposite the end of the locking
bolt h, a helical spring behind the locking bolt pushes the locking bolt into the
hole h, in the bolt handle a¹; the firing pin cannot then be driven forward, nor
can the handle a¹ turn.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is:-
1. A. receiver A, and the bolt B, and B', constructed and arranged as and for the
purpose set forth and described.
2. The combination of the breech receiver A, with the bolt B, and B¹, and the
hopper C and cut off, Figs: 20 and 21, and the carrier S, with the friction
spring S¹, constructed and arranged substantially as set forth and described.
3. The locking bolt h, in the receiver A, in combination with the bolt B, and, B¹,
.when constructed substantialy as set forth and described.
4. The cocking cams' e', and c, Figs. 1. 9. 19. with a bolt B. and B¹, when
constructed substantialy as set forth and described.
3,8
.
5. The modification cocking cams' j, and j', Figs. 2. 10. 11. 13 and. 14. as set forth
and described.
6. The extracting cams, x, and x¹, as set forth and described.
7. The cut off. Figs: 6. 20. and 21 constructed as and for the purpose set forth
and specified.
8. The extractor q in the spline d, constructed and arranged substantialy as set
forth and described.
9. The combination of the ejector v; and the carrier arm r¹, with the extractor q
constructed and arranged as set forth and for the purpose described.
10. The housing D. for the butt stock D¹, for the purpose set forth and
described.
11. The combination of the trigger l, sear p, scar spring, p³, firing pin Fig. 9.
nut g guide nut g, Fig: 1. as set forth and described.
12. The combination of the trigger l, and sear bolt p, with the cocking cam, j
and firing pin i, Fig. 2. 10. 11 and 13. as illustrated.
13. The attachable housing. D, for the stock as set forth and described.

page_text: 14. The breech action as set forth in combination with a magazine in the front
stock under the barrel in the manner described and set forth in my former Patent
with the cut of therein described with or without the hopper magazine C, and the
present cut off Figs: 20 and 21.