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Патент USA US3092933

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June 11, 1963
L. w. SEECAMP
3,092,924
LEVER ACTION FIREARM
Filed Nov. 22, 1961
5 Sheets-Sheet l
INVENTOR.
LOU/3 I'V- SEECAMP
Mia/M
All; ATTORNEYS
3,092,924
June 11, 1963
L. w. SEECAMP
'
LEVER ACTION FIREARM
Filed NOV. 22. 1961
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June 11, 1963
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LEVER ACTION FIREARM
Filed NOV. 22, 1961
5 Sheets-Sheet 3
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INVENTOR.
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June 11, 1963
|_. w. SEECAMP
3,092,924
LEVER ACTION FIREARM
Filed Nov. 22, 1961
5 Sheets-Sheet 4
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£13 ATTORNEYS
June 11, 1963
|_. w. SEECAMP
3,092,924
LEVER ACTION FIREARM
Filed Nov. 22, 1961
5 Sheets-Sheet 5
INVENTOR.
Lou/s WSEECAMP
44W
A/s
ATTORNEYS
United States Patent
1
4
Adjacent its terminal end the arm is provided with a
laterally-extending pin that is received within a groove
in one of the receiver side plates. Location and disposi
tion of the groove is such that during pivotal movement
of the bolt operating member about the pivot point of the
3,092,924
LEVER ACTIGN FTREARM
Louis W. Seecamp, 385 Orange St., New Haven, Conn.
Filed Nov. 22, 1961, Ser. No. 154,214
1!) Claims. (Cl. 42-22)
The invention relates to lever type actions for ?re~
arms in which a pivotally movable ?nger lever at the
underside of the ?rearm serves to actuate the bolt during
the chambering and ejection of the cartridges.
Patented June 11, 1963
?nger lever, the bolt operating member is pivoted about
its point of connection with the ?nger lever. Preferably,
the groove in the receiver extends generally longitudinally
of the ?rearm in a direction corresponding, more or less,
10 to the direction of movement of the bolt and is disposed
This type of action was one of the ?rst developed for
the modern repeating ri?e and because it can be operated
faster than bolt type actions is favored by many shooters.
However, prior known lever actions have not been com
between the pivot point of the ?nger lever with the
receiver and the pivot point of the ?nger lever with the
bolt operating member. As aresult of this construction
arcuate travel of the bolt operating member in response
pletely satisfactory in that they have been complicated, 15 to the pivoting of the ?nger lever about its pivotal con
relatively weak in strength, uneven in action and expen
nection with the frame, causes the bolt operating mem
sive to manufacture. Some prior known lever actions
ber to both slide and pivot relative to the side plate
have, in addition, had a large hammer fall and, hence, .a
of the frame. This pivotal movement of the bolt operating
slow lock time.
member serves to ?atten the path of travel of the forward
The present invention has for its object the provision 20 end of the member, and to increase the longitudinal stroke
of a lever action for ?rearms that will not be subject to
of the bolt and the force applied to the bolt by the bolt
the disadvantages noted above. Speci?cally, the inven
operating member.
tion has for its object the provision of a lever action for
Another important aspect of the invention is that the
?rearms that is strong, yet smooth in action and one that
hammer is carried by the ?nger lever at its forward end.
has a short lock time. Another object of the invention 25 In this position, the hammer is disposed closely adjacent
is the provision of a lever action for ?rearms that will be
the ?ring pin. The hammer fall, and hence the lock time
simple and that will have few parts. Still another object
of the ?ring mechanism, is accordingly small.
of the invention is to provide a lever action for ?rearms
so constructed as to minimize the height of the receiver in
which it is housed.
Brie?y, and in general, the present invention comprises
a lever action in which the bolt actuating mechanism com
Cooking of the hammer occurs on the downward stroke
of the ?nger lever. The hammer is pivotably mounted on
the ?nger lever and has a laterally extending pin offset
from the hammer’s pivot point. A cam slot is formed in
the receiver side plate and the pin on the hammer ex
prises just two parts: a ?nger lever pivotally connected to
tends into the slot. As the ?nger lever pivots downwardly,
the frame of the gun and a bolt operating member that
the pin on the hammer engages the camming surface of
interconnects the ?nger lever and the bolt. The manner
the slot and pivots the hammer relative to the ?nger lever
into a cocked position.
in which the bolt operating member is connected to the
?nger lever and to the bolt constitutes one important
For the purpose of illustrating one manner in which the
aspect of the invention as does the fact that the operating
invention may be made and used a presently preferred
member is, at one point, slidably engaged with a side
embodiment is shown in the accompanying drawings.
40 This preferred embodiment of the invention will be de
plate of the receiver, or frame, of the ?rearm.
The bolt operating member is pivotally connected to
scribed in detail hereinafter. However, it is to be under
the ?nger lever by means of correspondingly shaped inter~
stood that the drawings and the description set forth
nesting hook portions. An arcuately shaped arm having
herein are by way of example only and do not serve to
limit or de?ne the scope of the invention. The claims
portion of the bolt operating member. A substantially 45 appended hereto are relied upon for that purpose.
Of the drawings:
annular ?nger-like extension is formed on the ?nger lever
and the inner surface of the annular ?nger is substantially
FIG. 1 is a longitudinal sectional view through a ?re
a generally circular shaped terminus forms the hook
circular so as to receive the circular terminus on the bolt
operating member.
As a result of this arrangement the
bolt operating member and the ?nger lever are joined 50
together so as to permit relative pivotal movement about
the axis of said circular terminus. This pivotal coupling
iarm equipped with the invention showing the pants of the
action ‘at the moment the cartridge is ?red;
FIG. 2 is a sectional view similar to that of FIG. 1
showing the bolt operating mechanism, the ?ring mecha
nism and the safety mechanism;
of the parts is very strong and has the additional advan
FIG. 3 is a fragmentary side view of the ?rearm, partly
tage of permitting both the bolt operating member and
in section, with the ?nger lever in the open, cocked posi
55
the ?nger lever to be disposed in the some vertical plane.
tion and showing the hammer cocking earn opening in the
Additionally, the bolt operating member is slidably
receiver side plate;
and pivotally connected to the bolt. A substantially ver
FIG 4. is a view similar to FIG. 3 showing the ?ring
tical slot is provided in the rearward portion of the bolt
mechanism in a cocked position;
and a laterally extending pin at the forward end of the
FIG. 5 is a view similar to FIG. 4 showing the opposite
bolt operating member extends inwardly of the slot and 60 side of the ?rearm;
couples the member to the bolt. By reason of this pin
FIG. 6 is a longitudinal sectional view of the ?rearm
and slot arrangement the bolt operating member is enabled
showing the bolt retracted and a new cartridge ‘about to
to both pivot and slide relative to the bolt during the bolt
be inserted into the chamber;
operating strokes.
FIG. 7 is a transverse sectional view taken along the
65
The bolt operating member is also provided with a
line 7--7 in FIG. 3 looking in the direction of the arrows;
second arm-like portion which extends downwardly toward
FIG. 8 is a view similar to FIG. 5 showing the bolt
the ?nger lever. The shape of the arm-like portion is
preferably arcuate and the arm is positioned so that one
arcuate side surface engages the outer arcuate surface on
operating mechanism in the fully retracted position;
FIG. 9 is a partial side view of the ?rearm showing the
the annular hook portion of the ?nger lever, thereby 70 manner of disassembling the action of the gun; and
PI”. 10 is an exploded perspective view of the ?nger
strengthening the connection between the ?nger lever and
lever and its parts, the bolt operating member, the ham
the operating member.
3,092,924.
3
4
mer, trigger and trigger stop, and the removable side
plates or" the receiver.
90 of the hook 78 on the ?nger lever so that the hook
portions 78‘, 82 on the ?nger lever and on the bolt operat
ing member closely internest one within the other.
in the drawings there is shown a lever action ri?e con
structed in accordance with the teachings of the invention.
As is best seen in FIG. 1, the ri?e shown generally com
prises a front stock 10, a barrel 12 that is secured to the
stock, a receiver or frame 14 to which the barrel is also
secured by means of the threaded end portion 16, a clip
magazine 13 for holding a supply of cartridges 20‘ for the
The bolt 26 comprises a bolt cylinder 92 and a block 94
in which the cylinder is mounted.
At its rearward end
the bolt 26 is joined to the forward end of the bolt operat
ing member 36 and ‘for this purpose the block 94 is pro
vided with a rearwardly extending ?ange 96 with a ver
tical slot 93 formed therein. A laterally extending pin
ri?e, and a rear stock 22 that is secured to the receiver or 10 100 is ?xed to the bolt operating member 36 and extends
‘frame by the threaded screw 24. The rifle also has a bolt
into the slot 98 so as to be slidably retained thereby.
26 for chambering and ejecting the cartridges from the
?ring chamber 28»1 in the barrel ‘12, a ?ring pin 30‘ disposed
within the bolt and slidably movable with respect thereto,
The bolt block 94 is adapted to be slidably movable
relative to the bolt cylinder 92 and a spring (not shown)
mounted internally ‘of the bolt constantly urges the block
a hammer 32 and a trigger 34, as well as a bolt operating 15 rearwardly of the cylinder. The bolt block 94 is formed
mechanism made up of a bolt operating member 3-6 and
with a slot 102 in one side and a pin 104 on the cylinder
an actuating ?nger lever 38. A safety mechanism is also
92 inside the block extends into the slot 10-2. During the
provided and comprises 1a sliding thumb button 40‘ \at the
chamber-ing stroke of the bolt 26, and after the front end
top of the receiver, a catch 42 that depends from the
of the bolt cylinder 92 has come in contact with the end of
thumb button and laipivotable trigger stop 44 that is en
the barrel 12, further forward movement of the block 94
gaged by the catch upon appropriate movement of the
compresses the internal spring and causes the pin 104 and
thumb button.
slot 102 to rotate the cylinder 92 relative to the block 94.
FIG. 1 shows the relative positions of the various parts
This rotation of the cylinder 92 moves the locking lugs 48,
of the ri?e at the moment a bullet 46 is l?red from the
48 at the front of the cylinder behind the holding lugs 50‘,
cartridge 21 in the chamber 28‘. The cartridge 21 has 25 50 on the receiver 14.
been locked into the chamber by rotation of the bolt 26.
Downward movement of the ?nger lever 38 by the
Rotation of the bolt 26 moves the locking lugs 48, 48‘ on
shooter pivots the lever forwardly about the pin 52. This
the ‘front end of the bolt in behind corresponding station
movement also pivots the upper portion 76 of the lever,
ary lugs 50, 50 on the receiver ‘14 so as to lock the bolt
as well as the bolt operating member 36, rearwardly about
and cartridge case against any rearward movement during 30 the pin 52. As the bolt operating member 36 moves rear
the ?ring of the cartridge.
wardly it begins to retract the bolt block 94. Since the
Ejection of the cartridge 21 and the chambering of the
bolt cylinder 92 is held in battery position by the lugs 50,
next cartridge 20 in the clip magazine '18 is effected by a
50 on the receiver 14 the bolt cylinder 92 does not retract
reciprocable pivoting of the ?nger lever 38. The ?nger
with the block 94 and the rearward movement of the block
lever is pivotally mounted on a pin 52 that is disposed be 35 94 relative to the cylinder 92 causes the pin v104- on the
tween two removable side plates 54, 55 0f the receiver
cylinder and the slot 102 in the block to rotate the cylin
(see FIGS. 8 ‘and 9). As is customary, the ?nger lever
der 92. This rotation of the cylinder moves the locking
38 is formed in two portions, a forward portion 56 and
lugs 48, 48 out from behind the holding lugs 50, 50 on
rearward portion 57, each of which has an opening 58, 59
the receiver. Further rearward movement of the block
respectively. The forward portion 56, de?ning the open
94 will now also move the cylinder 92 rearwardly and the
ing 58, serves as a trigger guard while the curved rear—
extractors 106, 106 in the cartridge-receiving recess 108 at
ward portion 57 and opening 59 serve to accommodate the
the front of the bolt 26 will draw the ?red cartridge case
last three ?ngers of the shooter’s trigger hand.
21 from the ri?e chamber 28. When the bolt v26 has been
The ?nger lever 38 is normally maintained in its upper
su?iciently retracted, the spent cartridge case 21 is ejected
most position against the underside of the rear stock 22 45 out the side ejection port 110 and the next cartridge 20
by ‘a hooked detent member 60 that extends through a slot
from the magazine 18 is raised into position by the maga
62 in the lever 38 to engage a cross pin 64 ?xed between
zine spring 112.
the removable side plates 54, 55 of the receiver 14. The
The bolt operating member 36 is provided with a later
detent is pivotally mounted on \a small pin 66 set in the
ally extending pin 1‘14 adjacent the end of the second arm
center section 69 of the ?nger lever 38 between the open 50 86. The pin 114 extends into a slot 116 formed in the
ings 58 and S9. A small spring 70 below the detent mem
removable side plate 54 of the receiver 14 at the right
ber 60 ‘constantly urges the ‘detent upwardly so as to bring
side of the gun. As shown, the slot 116 is straight and
the hook 72 at the ‘end of the detent 69 into engagement
extends longitudinally in a direction generally parallel to
with the notch 74 cut into the cross pin .64.
the direction of movement of the bolt (see FIGS. 5 and
As will be seen by reference to FIG. 10, the ?nger lever 55 6). However, the shape and direction of the slot are not
38 is provided with an integral upper portion 76 that ex
critical and may be varied as desired. It is only essential
tends upwardly into the receiver 14 when the ?nger lever
that the slot 116 be so disposed as to cause the bolt oper
is in its normal retracted position. At its torward end the
ating member 36 to pivot rearwardly about the axis of the
upper portion 76 is provided with a curved book 78 so
circular terminal end portion 82 as the member 36 and
formed as to de?ne with the upper part 76 a generally 60 upper part 76 of the ?nger lever 38 pivot about the pin
circular recess or opening 80. The opening '80 is not
52. Inasmuch as the straight slot 116 prevents the later
completely circular but is so shaped as to receive a corre
ally extending pin 114 on the second arm 86 from follow
spondingly substantially circularly shaped terminal hook
ing the same arcuate path as the circular terminus 82 the
portion 82 tormed at the end of a curved arm-like portion
bolt operating member must pivot rearwardly about the
83 on the bolt operating member 36. Inasmuch las the 65 circular terminus to compensate. This rearward pivoting
recess 80 encompasses the hook portion ‘82 for more than
of the member 36 relative to the ?nger lever 38 serves to
180 degrees, withdrawal of the circular terminus of the
?atten the path taken by the laterally extending pin 100
hook $2 from the recess is prevented and the bolt operat
that engages the bolt 26, extends the rearward travel of
ing member and the ?nger lever are eiiectively and pivot~
the bolt and increases the force developed by the action.
ably coupled together.
As will be best seen in FIG. 2 the hammer 32 is pivot
70
The bolt operating member 36 is also provided with a
ally mounted on a pin 118 secured to the upper portion 76
second curved arm-like portion 86 that extends down
of the ?nger lever 38‘. The hammer 32 is biased toward
wardly to engage the upper portion 76 of the ?nger lever
the forward, or ?ring, position by a coil spring 120. One
3'81. The curve of the inner sun?ace 88 of this second arm
end of the spring 120 is retained by the ?ange 122 of a
86 closely corresponds. to the curve of the outer surface 75 pin-like retainer 124. The opposite end of the spring 120
3,092,924
5
is retained by a recess 126 in a cup 128. One end 130' of
the pin-like retainer 124 is ball-shaped and is received in
a spherically shaped recess 132 at the back of the hammer
(FIG. 10). The bottom of the cup-like retainer 128 has a
6
extends into an opening 184 in the stationary side wall
of the receiver but when the detent 178 is pushed in
wardly of the opening 184, the ?nger lever 38, bolt oper
ating member 36, hammer 32, trigger 34 and stop 44
may be withdrawn from the receiver.
Similarly, the rearward portion of the top of the re
rests closely against the outer circumference of a stop 136
ceiver 14 is made in a separate piece 186. The piece
?xed to the upper part 76 of the ?nger lever. As a result
186 carries the safety thumb lever 40 and is held in the
of this manner of mounting, the spring 120 is permitted
receiver at its front end by a tongue ‘188 which ?ts into a
to slightly pivot about the stop 136 during the cocking and
release of the hammer 32.
10 notch I190 in the receiver 14. A necked-down detent
pin 192 that is urged by a spring 194 into an opening
Cooking of the hammer 32 occurs during the retraction
1% in the stationary side wall 176 of the receiver re
of the bolt 26 on the forward stroke of the ?nger lever
tains the rearward end of the piece 186. By simply re
38. The position of the hammer 32 after ?ring is shown
semi-circular recess 134 formed therein so that the recess
leasing the detent 192, the safety lever 40 and catch 42
in phantom outline 138 in FIG. 4. A laterally extending
pin 140 is ?xed to the lower end 142 of the hammer 32 15 may be removed. Thereafter the bolt 26 may be with
drawn from the receiver through the opening left by the
and extends into a cam slot 144 formed in the removable
side plate 55 of the receiver at the left side of the gun.
removal of the piece 186.
As the ?nger lever 38 is pivoted downwardly the hammer
What is claimed is:
32 is carried backwardly and downwardly with the upper
1. In a lever action ?rearm, the combination of a
portion 76 of the ?nger lever. The cam surface 146 of 20 reciprocable bolt for inserting and extracting cartridges
the slot 144 prevents the pin 140 from following this path
from the chamber of the ?rearm, a frame having a pair
of spaced side plates, a manually operable ?nger lever
(FIG. 3) and pivots the hammer 32 backwardly with re
spect to the upper part 76 of the ?nger lever against the
pivotally connected to the frame, and a bolt operating
force of the spring 120 until the rearward portion 150* of
member pivotally connected to the ?nger lever and slid
the hammer passes below the point 148 of the trigger 34 25 ably coupled to said bolt, said bolt operating member
(see FIG. 2). The face of the point 148 of the trigger 34
also being slidably engaged with one of said side plates
engages the face of the rearward portion 150 of the ham
whereby pivotal movement of said ?nger lever causes said
mer 32 to lock the hammer in a cocked condition.
bolt operating member to pivot with respect to the
The trigger 34 is pivotally mounted on a lateral pin 152
?nger lever as the member slides relative to said side
secured in the upper part 76 of the ?nger lever. The 30 late.
trigger stop 44 is also pivotally mounted on another lateral
p 2. The combination of claim 1 wherein one of said
pin 154 secured in the upper part 76 of the ?nger lever 38.
side plates has a slot disposed so as to extend generally
The stop 44 has a flat surface 156 at its lower end and is
in the direction of movement of said reciprocable bolt
so positioned that the surface 156 may, upon clockwise
and wherein said bolt operating member is provided with
pivotal movement of stop 44 (as seen in FIG. 1), be 35 a laterally extending pin that ?ts within said slot.
brought into engagement with a corresponding flat surface
3. The combination of claim 2 wherein said slot is
158 on the trigger 34 (see FIG. 2). A spring 160 is posi
positioned between the pivotal connection of the bolt
tioned between the ?at surface 158 on the trigger and a
operating member and the ?nger lever when said ?nger
projection 162 on the stop 44 and serves to constantly bias
lever and operating member are disposed in their bolt
the stop toward the clockwise direction. This spring 160 40 locking positions and the pivot point of the ?nger lever
also serves as a trigger spring.
with the frame.
To actuate the safety mechanism, locking detent 164 on
4. The combination of claim 2 wherein said bolt is
the safety thumb lever 40 is ?rst depressed and then the
provided with a slot disposed generally perpendicularly
thumb lever and catch 42 are laterally moved rearwardly.
to the longitudinal axis of said bolt and said bolt operat
Lateral rearward movement of the catch 42 brings the 45 ing member is provided with a laterally extending pin
recess 166 formed in the lower portion of the catch into
that ?ts within said slot.
engagement with the head 168 of the stop 44. Further
5. The combination of claim 4 wherein the pivotal
rearward movement of the thumb lever 40 pivots the stop
connection between the ?nger lever and the bolt operat
44 clockwise into register with the trigger 34.
ing member comprises correspondingly shaped internest
During the rearward and upward return stroke of the 50 ing hook portions on said ?nger lever and said bolt
?nger lever 33, the bolt 26 is moved forwardly to seat
operating member.
the cartridge 20 in the chamber. Relative movement
6. In a lever action ?rearm, the combination com
of the block 94 forwardly with respect to the cylinder
prising a reciprocable ybolt for inserting and extracting
92 rotates the cylinder and “locks up” the bolt in bat
cartridges from the chamber of the ?rearm, a frame
tery position. Forward movement of the safety thumb 55 having a pair of spaced side plates, a manually operable
lever 40 brings the head 168 of the trigger stop 44 into
?nger lever pivotally connected to the frame at a point
contact with the surface 170 on the catch 42 and pivots
adjacent one end of the lever, and a bolt operating
the stop ‘44 counterclockwise out of engagement with the
member pivotally connected to the ?nger lever and slid
trigger 34. A rearward pull on the trigger 34 will then
ably coupled to said bolt, said bolt operating member
release the hammer 32 from the restraint of the trigger 60 at one point also being slidably engaged with one of
point 148. The hammer ‘32 will then pivot forwardly
said side plates whereby pivotal movement of said ?nger
and strike the ?ring pin 30 which, in turn, will ?re the
lever causes said operating member to pivot with respect
cartridge.
to the ?nger ‘lever as the member slides relative to said
It will be seen from FIGS. 7 and 9 that the action
side plate, the pivotal connection between said bolt oper
may be quickly disassembled from the ri?e, The bolt 65 ating member and ?nger lever comprising correspond
operating mechanism and ?ring mechanism are both
ingly shaped internesting hook portions on said ?nger
mounted between the two removable side plates '54, 55
lever and bolt operating member.
of the receiver 14. Each of the side plates has a notch
7. In a lever action ?rearm, the combination of a
172, 172 at its forward end that ?ts over a pin 174
reciprocable bolt for inserting and extracting cartridges
disposed between the stationary ‘side walls 176, 176 of 70 from the chamber of the ?rearm, a frame having a pair
the receiver 114. A spring loaded detent is provided at
of spaced side plates, a manually operable ?nger lever
the rear of the removable side plates 54, 55 and corn
pivotally connected to the frame at a point adjacent one
prises a ‘hollow pin 180 in which are mounted a necked
end of the lever, a bolt operating member pivotally con
down detent 178 and a spring 182 that urges the detent
nected to the ?nger lever and slidably coupled to the
outwardly of the pin 174. Normally, the detent 178 75 bolt, and a hammer pivotally mounted on the ?nger lever
3,092,924
55
,so as to be carried thereby, said hammer alsorengaging
one of said side plates whereby pivotal movement of the
.?nger, lever pivots the hammer relative to the ?nger
lever into a cocked position.
_
v
8. The combination of claim 7 wherein one of said
.side plates is provided with a cam slot and said hammer
has a laterally extending pin that extends Within said
‘member extending into the slot in the side wall, a hammer
pivotally mounted on the ?nger lever, a cam slot formed
in the other of said side plates, and a laterally extending
pin on the hammer extending into said cam slot.
10. In a lever action ?rearm, the combination of a
'frame having a pair of spaced side plates, a ?nger lever
9. In a lever action ?rearms, the combination of a
pivotally connected to the frame, a cam slot formed in
one of said side plates, a hammer pivotally mounted
on the ?nger lever and a laterally extending pin on the
reciproca'ble bolt for inserting and extracting cartridges
10 hammer extending into the cam slot whereby pivotal
from the chamber of the ?rearm, a frame having a pair
movement of the ?nger lever causes the pin to engage
the cam slot and to pivot the hammer relative to the
cam slot.
.of spaced side plates, a manually operable ?nger lever
pivotally connected to the frame, a bolt operating mem
?nger lever into a cocking position.
ber pivotally connected to the ?nger lever and slidably
No references cited.
coupled to the bolt, a slot disposed in one of the side 15
plates, a laterally extending pin on the bolt operating
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