F. F. BURTON.
BOLT ACTION GUN.
APPLICATION FILED Auam, lala.
1,322,227.
Patented Nov. 18, 919.
4 SHEETS-SHEET l.
. l
l;
'
<11/
li; `
#i
I
l
I
l
,l
1I
,i Y
1i 'n
i
l
I
l
l
l
It
il
D;
s.
1|
1 |
\
\\
"I
s
f
S
$9
|
/
I/
//
Q
\0
u;
11
F. F. BURTON.
BOLT ACTION GUN.
APPLICATION FILED AUG.I1| 1919.
Patented Nov. 18, 1919.
1,322,227.
4 SHEETS-SHEET 2.
'
Mllllllmllllillllll
N
s
llIIIII-IIIII '
W
nw
vmmi 1N
M
maN @mv
FQF'. BuRoN.
BOLT ACTION GUN.
APPLICATION FILED AUG.II, I9I9_
1,322,227.
Patented Nov. 18, 1919.
4 SH EETS-SHEET 3.
v`F. F. BURTON.
I BOLTv ACTION GUN.
ArPujcATloN FILED Aue.|1.|919.
1,322,227; y
Patented Nov. 18, 1919.
`
4 SHEETS-SHEET 4.v
- iran srarnsA PATENT _orrron
FRAN K F. BURTON, 0F IVLOUNI` CARMEL, CONNECTICUT', ASSIGNOR TO WINCHESTER
REPEATING- ARMS CO., 0F NEWV HAVEN, CONNECTICUT, A CORPORATION.
BOLT-ACTION GUN.
Specification of Letters Patent.
1,322,227.
Patented Nov. 18, 1919.
Application led August 11, 1919. Serial No. 316,520.
Fig. 21 a broken View in rear elevation of
To alli/whom t may concern.'
Be it known that I, FRANK F. BURTON, a`
the bolt-handle.
`
Fig.r22 a broken side view thereof. `
citizen of the United States, residing at
Mount Carmel, in the county of New Haven
kMy invention relates to an improved bolt
and State of Connecticut, >have invented a a'ctlon gun of fthe type in which the bolt
new and useful Improvement in Bolt-Action is locked at its rear end, at points on lat
60
erally opposite sides of its axis, the object
being to produce a simple, cheap, reliable,
Guns; and I do hereby declare the follow
ing, when taken in connection with the ac
companying drawings and the characters ofl convenient, safe and effective arm of the
reference marked thereon, tov be a full, clear,
and exact description of the same, and which
character described'.
l/Vith these ends in view my invention con 65
@said drawings constitute part of this applica siste in a bolt-action gun having certain de
tails of construction and combinations of
tion, and represent, in-v
~
Figure 1 a plan view of a bolt action gun parts as will be hereinafter described and
15 embodying my invention, with the barrel pointed out in the claims.
In carrying out my invention as herein 70
broken away at the breech, and the gun
shown,the receiver 17 is formed near its rear
shown as closed and fired.
A
Fig. 2 a corresponding view in side eleva end, with a transverse locking-slot 18, and
tion.
20
nearits forward end with a transverse car
Fig. 3 a broken view of the gun partly in triClge-lolacling and cartridge-ejecting open
right hand side elevation, and partly in ver
ing 19. The said locking-slot 18 receives the
ready for firing, closed and cocked.
the bolt-handle 22 which terminates'in a ball
75
tical longitudinal section,_fshowing the gun Vlocking-shoulder 2O and locking lug 21 of
`
'
23. The said shoulder 20, lug 21, and handle
vation and partly in vertical longitudinal 2.2-, are made integral or rigid with the rear
section, showing the method of removing the end of the bolt 24, which, as shown, has
Fig. 4 a broken detail view, partly in ele
25
30
bolt from the receiver preparatory to clean
ing the barrel from Vits breech end.
Fig. 5 a detached Aplan view of the receiver
with the bolt removed and the barrel broken
away, but with 'the loading-platform in
17, the upper vrear corner of which is cut
away so as to produce a tapering receiver
end 9.5 containing the rear wall of the lock
ing-slot 18 aforesaid.
The lleft-hand end of the forward wall of
position within the receiver.
Fig. 6 a rear end view thereof.
40
ing or cartridge-retracting cam 26, which
co-acts with the'forwardedge of the lock*
ing-shoulder 20 of the bolt-handle in cam
ming back the bo'lt 24 from its fully closed
position, when the bolt-handle is lifted from
position, whereby the spent cartridge in the
chamber 27 of the' barrel Q8 is started back 95
preparatory to being fully extracted by the'
retraction of the bolt from the said chamber
and then ejected from the gun through the
Fig. 13 a detached plan view of the load
opening 19 in the receiver.
The_rear wall 'of the lockingslot 18 is
Fig. 111 an end view thereof. -
Fig. 15 an edge view thereof.
Y
Fig. 16 a view of they gun 1n transverse Sec
tion on the linge 16-16 of Fig. 5, looking fors
ward.
50
"
Fig. 1f? a vdetached- plan view of the sear.
Fig. 18. an end view thereof. ,
Fig. 19 a detached sidel view of the trigf
der'.
b Fig. 20 an edge view 'thereon
,Y
90
right to left from its closed into its open
Fig. 10 a detached edge view of the ex
tractor.
Fig. 11 an underside view thereof.
Fig. 12 a rear end view thereof.
ing-platform.
45
85
the locking slot 18 merges into a bolt-retract
Fig. 7 a broken view in side elevation of
35 the forward end of the bolt.
Fig. 8 a view thereof in front elevation.
Fig. 9 a corresponding view with the ex
tractor removed.
80
rotary and linear movement in the receiver
100
merged into by a bolt~closing cam 29 which
cofacts with the rear face of the locking
lug 21 of the bolt~handle, at. the end of the
forward excursion of the bolt, so as to crowd
the same forward into its fully closed posi~ 105
tion when the handle is swung- from left to
right from its upright or open position into
its` depressed or closed position.
1,322,227
ll/Vhen the bolt is closed and locked, thev the handle is maintained at such time in its
shock of recoil is taken by the engagement elevated position, due to the engagement of
of the rear face of the lug 21 and the rear
face of the shoulder 20, with the rear wall
U:
the sides of the lug with the side walls of
the said slot.
of the locking-slot 18 at points on laterally
For holding the handle yieldingly in its
opposite sides of the axis of the bolt, there depressed and closed-position, I locate a
being no opportunity for taking the shock wedgedeshaped handle-holding cam 42 just
within the forward end of the extractor 43
which is mounted upon the forward end of
the bolt, so as to permit the bolt to be rotated
my improved gun, cut away.
'
under it, the extractor having linear move
For facilitating the loading of the car ment with the bolt but not rotary movement
tridge into the chamber 27, I employ what, with it. For linear movement with the
for convenience, I shall term a rocking, car bolt, the extractor is formed with an under
tridge-loading platform 30 (Figs. 13, 14, 15), cut lug 44 fitting into an undercut trans-Y
70
of the recoil in the vertical plane as common
in many boltfac-tion guns, for the reason that
10 the rear upper corner of the receiver is, in
15
80
which is segmental in cross-section (Fig. verse slot 45 in the bolt. The extractor is
14), which conforms inA curvature to the held against rotation with the bolt by let
bolt-chamber 31 in the receiver 17, and which ting it into a groove 46 (Fig. 6) leading
is located in the forward end of the chamber
20
out of the bolt-chamber 31 in the receiver,
31, in that portion thereof intersected by while its forward end is additionally held,
the cartridge-loading and cartridge-ejecting when the bolt is closed,_by its entrance into
opening 19 which gives free access on either a notch 47 formed in the extreme end of the
side to the said platform the upper face barrel as shown in Fig. 16. For co-action
of which is traversed by inclines forming with the handle-holding ca1n42, the bolt is
a longitudinal cartridge-trough 32 opening formed at its forward end with a wide clear~
downward into a slot 33, which receives a
ance notch 48, and with a locking-notch 49,
coupling-lug 34, depending from the for
the former being wide enough to permit the
ward end of the bolt 24, the lower face of free rotation of the bolt with respect to the
the forward end of which is transversely extractor v43 for a distance which represents
30 cut away, as at 35 to adapt it to fit over the
the movement of the bolt-handle from its
platform 30, which complements it by virtu~ vertical position, to very nearly its full de
ally filling out its forward end. The> lug pressed position. However, just before the
35
40
95
34 rides back and fo-rth in its slot33, as the bolt handle reaches its fully closed position,
bolt is reciprocated and turns the platform the cam 42 rides out of the notch 48, up over
with the bolt when the same is rotated. The the sloping left hand wall thereof, and then
said slot 33, also provides clearance for the over into the locking-notch 49, in which the
firing-pin 36. The platform is formed in said cam is held by the tension of the ex
its periphery with an undercut circumfer
tractor 43, with sufcient force to hold the
ential slot 37 receiving a screw 38 mount
handle yieldingly in its fully closed position,
ed in the receiver and holding` the plat
from which it must be lifted with the exer 105
form against endwise displacement, while tion of enough effort to spring its extractor
permitting it to rock upon its longitudinal to let the cam 42 ride out of the notch 49.
The firing-pin 36, which is manually re
axis with the rotation of the bolt. The in
45
50
60
wardly inclined walls of the _trough 32 are tracted by a firing-pin head 50 at its rear
separated from the slot 33 of the platform, end, is formed with a cocking notch 51 and
by parallel chamfers 39, the stops at the a clearance-notch 52. The notch 51 receives
rear ends of which form ejection-shoulders a Sear-nose 53 formed on the upper rear cor
39L against which the rims of the cartridges ner of an upstanding scar-lug 54, the for
are impinged as the cartridges are drawn ward edge of which co-acts when the bolt
rearwardly through the trough during the reaches the limit of its rearward excursion,
opening movement of the bolt, at which with the forward wall of a sear-clearance slot
time the platform is at rest. When the plat~ 55 in the lower face of the bolt, to prevent
form is exposed by the retraction of the bolt the bolt from being withdrawn from the re
it fills, as it were, the lower portion of the ceiver, the sear being held in this position by
forward end of the bolt-chamber 31 up to means of a helical Sear-spring 56 set in a
the level of the lower wall of the cartridge hole 57 in its depending forward end, and
chamber 27, and makes the loading of small engaging with the lower face of the re
cartridges singly by hand, very easy. At lceiver, as shown in Fig. 3. The sear 58
this time, the sides of the trough 32 are just which is located within a slot 59 in the re
below the horizontal edges 40 (Fig. 1) pro~ ceiver and hung upon a pin 60 therein, is
duced in forming the opening 19.
formed with a slot 61 receiving the trigger
The locking-lug 21 of the bolt-handle 62, which is hung upon the pin 63, in the
rides back and forth in a guide-slot 41 in sear. A rounded lug 64 formed upon the
110
115
120
125
the receiver-end 25, during the rearward u per edge of the trigger and extending
65
and forward excursion of the bolt, whereby a ove the seal', engages with the lower face
130
1,322,227
ger is pulled for camming the sear down
of the bolt, and a rocking cartridge-loading
platform located in the bottom of the for
ward suiiiciently to retract the scar-nose 53
ward end of the -bolt-chamber, coupled with -
of the bolt and acts as a cam when the trig
55
from engagement with the scar-notch 5l of the bolt for rotation therewith, and formed
the firing-pin. To provide for depressing in its upper face with a trough.
the sear suiiiciently to clear its lug 54 from
5. A bolt-action gun having a rotary bolt,
the forward wall of the slot 55 in the ibolt
and so permit the removal of same for clean
a handle located at the rear end of the bolt
for the operation thereof, _ an extractor
ing the barrel fro-m the breech, I form the mounted upon the forward end of the bolt
trigger with a rearwardly and upwardly with which it has linear but not rotary
projecting arm 65 which engages with the movement, cuts in the receiver which hold
lower face of the receiver-terminal 25 when the said extractor against rotary movement,
the trigger is pulled in excess of the amount and a cam and cam notches interposed be
tween the said extractor and bolt for yield
required to release t-he firing-pin.
15
I claim :--
l. A bolt-action gun having the bolt- cham
ber of its receiver intersected at its forward
20
25
30
cut away, a bolt-handle and locking-lug lo
spectively co-acting with the walls of said
locking-slot for locking the bolt at points on
laterally opposite sides of the axis of the
gun, and a rocking cartridge-loading plat
form located at the bottom of the forward
end of the bolt-chamber and coupled with
the bolt for rotation therewith, but not for
linear movement therewith.
4. A bolt-action gun having the bolt
50 chamber of its receiver intersected at its
rear end by a transverse locking-slot and at
its forward end "by a transverse cartridge
loading and cartridge-ejecting opening, a
rotary bolt, a handle located at the rear end
70
6. A bolt-action gun havingra receiver,
75
der, and an extractor mounted upon the bolt
pled with the bolt for rotation therewith, for drawing the spent cartridge rearwardly
whereby when the bolt is open the platform over the said platform until ejected by the
is in a position for facilitating the loading said shoulder thereof.
of the cartridges into the barrel of the gun.
7. A bolt-action gun having a rocking
2. A bolt-action gun having a receiver, a cartridge-loading platform located in the
rotary bolt, and a cartridge-loading plat forward end of its bolt-chamber, coupled
form co-acting with the forward end of the with its bolt for rotation therewith, and
bolt and rotating therewith, but not having formed with a transverse peripheral slot
linear` movement therewith, for facilitating whereby it is held against longitudinal dis
placement in the bolt-chamber.
the loading` of the gun.
3. A bolt-action gun having the bolt
S. A bolt-action gun having a receiver, a
chamber of its receiver intersected at its rear rotary bolt, a tiring-pin installed therein, a
end by a transverse locking slot and near its combined sear and bolt-stop coacting with
forward end lby a transverse cartridge-load the firing-pin for releasing the same and
ing and cartridge~ejecting opening, a rotary coacting with the bolt for preventing the
bolt having the lower face of its forward end same from being withdrawn from the re
40 cated at the rear end of the bolt and re
65
ingly holding the bolt-handle in its closed
position.
end by a cartridge-loading and cartridge a rotary bolt, a bolt-handle at the rear end
ejecting opening, a rotary bolt having the of the bolt, a cartridge-loading platform
lower face of its forward end cut away, and coupled with the bolt for rotation therewith,
a cartridge-loading platform located in the and formed with a cartridge-ejecting shoul
forward end of the bolt-chamber, 'and cou
60
80
85
90
ceiver, and a trigger pivotally suspended
from the sear and formed with a rearwardly
and upwardly projecting portion engaging
95
with a fixed portion of the arm upon an ex
cess rearward pull of the trigger for clear
ing the sear from the path of the bolt to per
mit the same to be withdrawn from the re
ceiver.
100
In testimony whereof, I have signed this
specification in the presence of two subscrib
ing witnesses.
FRANK F. BURTON.
Witnesses:
THOMAS C. JOHNSON,
FREDERIC C. EARLE.
