US2144091A - Firearm - Google Patents

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Publication number
US2144091A
US2144091A US89375A US8937536A US2144091A US 2144091 A US2144091 A US 2144091A US 89375 A US89375 A US 89375A US 8937536 A US8937536 A US 8937536A US 2144091 A US2144091 A US 2144091A
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United States
Prior art keywords
breech
barrel
firearm
firing
firing pin
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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
Application number
US89375A
Inventor
Eulalio M Varona
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Eulalio M Varona
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Publication date
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Priority to US89375A priority Critical patent/US2144091A/en
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Publication of US2144091A publication Critical patent/US2144091A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/25Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block
    • F41A19/29Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins the percussion or firing pin being movable relative to the breech-block propelled by a spring under tension
    • F41A19/39Cocking or firing mechanisms for other types of guns, e.g. fixed breech-block types, forwardly-slidable barrel types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A17/00Safety arrangements, e.g. safeties
    • F41A17/64Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A5/00Mechanisms or systems operated by propellant charge energy for automatically opening the lock
    • F41A5/02Mechanisms or systems operated by propellant charge energy for automatically opening the lock recoil-operated
    • F41A5/16Mechanisms or systems operated by propellant charge energy for automatically opening the lock recoil-operated having a barrel moving forwardly after the firing of a shot

Description

E. M. vARoNA FIREARM Filed July '7, 1936 2 Sheets-Sheet 1 Kidd/{0M 1 4 202% ATTORNEY-5 I Jan. 17, 1939. E. M. VARONA I FIREARM 2 Sheets-Sheet 2 Filed July 7, 1956 A om *2 Kala/50% [hrggrg I B? Az ATTORN EYII Patented Jan. 17, 1939 UNITED STATES PATENT QFFEQE 2 Claims.
The invention relates to shotguns and more especially to single shot firearms.
The primary object of the invention is the provision of a firearm of this character, wherein the barrel is slidably fitted With the breech and such breech is relieved of a shell through the under side of the breech on moving the barrel within the breech, the barrel being locked in the breech in a novel manner and when the shell has been exploded it is readily ejected from the breech on the sliding of the barrel outwardly of the latter.
Another object of the invention is the provision of a firearm of this character, wherein the breech has fitted therein the firing pin, it being cooked in a novel manner and is released from a cooked position by a trigger, there being no hammer present in the assembly of the firearm and the breech and barrel are interfitted with each other so that the barrel can be operated for the loading and unloading of the breech, the loading and unloading being effected in a unique manner.
A further object of the invention is the provision of a firearm of this character, wherein the interfitted breech and barrel are such that the stock can be readily and easily detached from the breech without the necessity of special equipment or tools as the breech and the stock are joined with each other through the use of screws and such breech is loaded and unloaded from the lower side of the stock while the firing pin is set at one side of the firearm and a safety device cooperates with the firing pin setting means so that the said firearm can not be accidentally discharged or the load thereof fired until the setting means for the firing pin has been released from the safety device, the firing pin being released for the firing of the load by a trigger, the firing pin being built within the breech of the firearm.
A further object of the invention is the provision of a firearm of this character, which is simple in its construction, thoroughly reliable and efiicient in its operation, readily and easily loaded and unloaded, safe from accidental'exploding or firing, durable, and inexpensive to manufacture.
With these and other objects in View, the invention consists in the features of construction, combination and arrangement of parts as will be hereinafter more fully described, illustrated in the accompanying drawings, which disclose the preferred embodiment of the invention and pointed out in the claims hereunto appended.
In the accompanying drawings:
Figure 1 is a side elevation of a firearm constructed in accordance with the invention showing the firing pin cooked and latched for safety against firing.
Figure 2 is a bottom plan view of the breech having the stock and barrel removed therefrom. 5
Figure 3 is a side elevation of the same.
Figure 4 is a fragmentary bottom plan view of the barrel detached from the breech.
Figure 5 is a fragmentary vertical longitudinal sectional view through the firearm and the firing pin released and in firing position.
Figure 6 is a horizontal longitudinal sectional view through the breech showing in detail the firing pin in firing position.
Figure '7 is a front elevation of the parts shown in Figure 2.
Figure 8 is a sectional view on the line 6-8 of Figure 5 looking in the direction of the arrows.
Figure 9 is a sectional view on the line E-il of Figure 5 looking in the direction of the arrows.
Similar reference characters indicate corresponding parts throughout the several views in the drawings.
Referring to the drawings in detail, A designates generally a breech, B a barrel and C the stock, respectively, of the firearm. This breech A is attached to the stock C by fasteners in the form of screws 19 and II, respectively, so that these parts will be separably joined with each other.
The barrel B at its inner end is slidably fitted within the breech A which interiorly thereof constitutes a firing chamber I2 next to a breech block I3 which is made fast at Hi and through which Works the firing pin i5 integral with a stop head [6 which has a stern l l slidable in a tubular guide l8 built within the breech A constituted by a tubular cylinder IS. The stem i! has surrounding it a coiled tensioning spring 22, the same being also in surrounding relation to the guide is for the said stem and is concealed within the cylinder l9 rearwardly of the breech block 53 while the stop head 56 coacts with the breech block !3 when the pin !5 is advanced for the firing of the firearm. 45
At the under side of the breech cylinder i9 is a loading slot 2! which registers with a corresponding opening 22 in the stock C so that a cartridge 23' can be introduced into the firing chamber l2 and located in position therein to be exploded by the firing pin if when the firearm is shot.
The breech cylinder l9 forwardly of the loading slot 2 I for the firearm is provided with a guideway 24 accommodating a keeper lug 25 on the barrel B and this way at the forward and rearward ends thereof has lateral offsets 26 and 21, respectively, so that on the twisting or turning of the barrel when the lug '25 confronts these lateral offsets 26 and 21 the said lug will be engaged therein and thus holding the barrel in its shifted position. When the lug 25 engages in the lateral offset 21 it will be held latched within the breech cylinder 19 for closing the loading slot 2|. Now to effect this latching; it being assumed that the barrel B has been pulled outwardly from the breech A and turned with the lug in the offset 26 of the way 24, it is necessary to, release the lug 25 and I align it with the way 24 so that by pushing inwardly on the barrel the said lug 25 will be brought'to the offset 27 then by a turning of the barrel it will be fastened in a latched position and closing the loading slot 2| in the breech.
When the barrel is pulled outwardly of the breech A the loading slot 2| is open so that a" cartridge can be introduced into the breech and 'when this cartridge has been so introduced on the pushing inwardly of the barrel B the said cartridge 23 is telescoped into the inner end of the barrel and thus in a position to'be exploded by the firing pin I when operated for firing movement. The lug 25 has fitted therein a spring pressed friction latching ball 28 for engaging a seat or keeper notch 29 in one edge of the off therein is a locking sear 3| for engaging the head |6- to cook the firing pin l5. This sear is, carried on a leaf spring 32 holding it in a locking position to engage the head "5 when the pin I5 is moved to cooking position, the sear 3| being beveled at 33 for the tripping of the head l6 thereover on the cocking of the locking pin. The
spring 32 is engaged by a trigger 34 which is manually operated for the unlocking of the sear 3| from the head 31 of the firing pin |5 whenrit is cocked, the spring 20 then being active for moving the pin I 5 tofiring position for exploding the shell 22 as fitted within the barrel B which is normally latched within the breech A and closing the loading slot 2| in the latter. The trigger 34 is within a finger guard 35 and such trigger is finger operated in the usual manner common to firearms.
The head I! of the firing pin I5 has a setting finger 35 which protrudes through a-slot 31 in the side of the breechcylinder I9 so that said finger 36 can be manually operated in the cocking of the firing pin l5. The slot is common to a keeper notch 38 receiving the finger 36 when the latter has been actuated to bring the firing pin !5 to cooking position and in this manner the said firing pin is held cocked. Working in the slot 3'! at the rear end thereof and :upon a guide 39 is a safety latching block 40, it being movable over and onto the finger 35 when in the notch 38 and thus safe locking said finger 36 when the firing pin i5 is in cocked position so that the firearm can not be accidentally exploded or fired.
Pivotally fitted on the breech cylinder H) for rocking movement upon a pivot 4| within a clearance 42 is a rear sight 43 While at the discharge end of the barrel is a forward sight 44, the rear sight 43 being provided with an ejector nose 45 which rides the inner end ofthe barrel'B when the latter has been pushed" inwardly of the breech cylinder Hi to hold the rear sight 43 against looking movement. Then when the barrel B has been I pulled outwardly of the breech cylinder IS the ejector nose 45 rides off of the inner end of the said barrel B and automatically operates by the locking of the rear sight 43 in the clearance 42 to eject the shell 23 through the slot 2| for the ejecting of the shell from the firearm. This shell 23 when placed in the firing chamber |2 in the breech cylinder |9 to be received in the barrel '23 at its inner end is engaged by a spring detent or dog 4'! to hold the said' shell within the firing chamber for its telescopic fitting within the inner end of the barrel B when pushed inwardly of the breech A. The detent or dog 41 being adapted to ride upon the inner end of the barrel B when pushed inwardly of the breech A by initially fitting a cam faced notch 48 provided'in' theinner end of the barrel B which notch is disaligned with said deten't'or dog 41 when the barrel B is turned in the breech cylinder H! to bring the lug 25 into the offset 27 of the way 24.
Nowwhen the lug 25 isturned out of the offset 2'! I of the way 24 this notch 48 is realigned with the detent or dog 41 so that it will engage with the'cartridge 23 asv contained within the firing.
45 thereof in that the spring 49 about the pivot 4| becomes active on the rear sight 43 causing the nose. 45 to move inwardly of the clearance 42 and thus tilt the cartridge 23 within the breech A and thus freeing said shell or cartridge 23 from the detent or dog 4'! so that it will become ejected through the loading slot 2| and companion opening 22 for delivery from the firearm. Of course, the shell or cartridge 23 is automatically ejected from the breech A after such shell or cartridge has been exploded in the shooting of the firearm. The outward pull upon the barrel B will open the loading slot 2| in the breech cylinder It so that the exploded shell or cartridge 23 will be ejected from the breech through this slot.
When'the firing pin l5 has been released from cocked position and the shell exploded by the im pact of said pin therewith the head I6 of said firing pin abuts the breech block |3 within the breech A of the firearm and on abutment of such head the firing pin has been moved to its fullest extent to firing position, the pin |5 being protruded through an opening 50 therefor in the breech block l3 for protrudence into the firing chamber |2 to strike the firing cap of the shell or cartridge 23 for the exploding of the latter when the same is in loading position within the inner end of the barrel B and such barrel has been pushed within the breech A to that position shown in Figure 5 of the drawings.
As has been stated the finger 36 permits the manual cooking of the firing pin l5 and when the trigger 34 is actuated the pin is released for firing action for the exploding of the shell 23 when in loading position within the firing chamber I2 and telescoped within the inner end of the barrel B'of the firearm, the firing pin l5 being uncooked by the sear 2| operated for release by the trigger 34.
What is claimed is:
1. A firearm comprising a stationary cylindrical breech forming a firing chamber interiorly thereof and having a slot in one side and opening laterally therefrom, a barrel slidably and removably fitting said breech and havingacartridge seat, a breech block fixed within the breech next to the firing chamber, a firing pin working through said block and having a stem provided with a stop head, the said head being adapted for abutting the block, a tubular guide built within the breech and slidably receiving the said stem, a coiled tensioning spring about the stem and said guide and active against the head, a setting finger on the stop head and projected through the slot exteriorly of the breech, a luglike sear having clearance through the breech and provided with a beveled end for tripping engagement of the head therewith, a spring fixed exteriorly to the breech and carrying the sear for urging it into latching engagement with the stop head, and a finger-actuated trigger pivoted exteriorly to the breech and having engagement with a free end of the last-mentioned spring for actuating the sear in tripping the head for the release of the firing pin.
2. A firearm comprising a stationary cylindrical breech forming a firing chamber interiorly thereof and having a slot in one side and opening laterally therefrom, a barrel slidably and removably fitting said breech and having a cartridge seat, a breech block fixed within the breech next to the firing chamber, a firing pin working through said block and having a stem provided with a stop head, the said head being adapted for abutting the block, a tubular guide built within the breech and slidably receiving the said stem, a coiled tensioning spring about the stem and said guide and active against the head, a setting finger on the stop head and projected through the slot exteriorly of the breech, a lug-like sear having clearance through thebreech and provided with a beveled end for tripping engagement of the head therewith, a spring fixed exteriorly to the breech and carrying the sear for urging it into latching engagement with the stop head, a finger-actuated trigger pivoted exteriorly to the breech and having engagement with a free end of the last-mentioned spring for actuating the sear in tripping the head for the release of the firing pin, and means for slidably latching the barrel with the breech and adapted for latching the said barrel in two positions.
EULALIO M. VARONA.
US89375A 1936-07-07 1936-07-07 Firearm Expired - Lifetime US2144091A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7347021B1 (en) * 2006-04-11 2008-03-25 Jones C Barry Firearm action or receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7347021B1 (en) * 2006-04-11 2008-03-25 Jones C Barry Firearm action or receiver

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