US2423740A - Means for assembling the body and butt of automatic firearms - Google Patents

Means for assembling the body and butt of automatic firearms Download PDF

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Publication number
US2423740A
US2423740A US49509743A US2423740A US 2423740 A US2423740 A US 2423740A US 49509743 A US49509743 A US 49509743A US 2423740 A US2423740 A US 2423740A
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United States
Prior art keywords
butt
body
holder
gun body
means
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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
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Vesely Josef
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Vesely Josef
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Publication date
Priority to GB2391757X priority Critical
Priority to GB7355/41A priority patent/GB573210A/en
Priority to US433322A priority patent/US2391757A/en
Priority claimed from US433322A external-priority patent/US2391757A/en
Application filed by Vesely Josef filed Critical Vesely Josef
Priority to US49509743 priority patent/US2423740A/en
Priority to US49509943 priority patent/US2389095A/en
Priority to US49509643 priority patent/US2360180A/en
Application granted granted Critical
Publication of US2423740A publication Critical patent/US2423740A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41CSMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C23/00Butts; Butt plates; Stocks
    • 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
    • F41A19/03Shot-velocity control
    • 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
    • F41A19/28Mechanical 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 cam or lever when the breech-block or bolt arrives in a closing position
    • 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
    • F41A19/30Mechanical 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 in bolt-action guns
    • F41A19/33Arrangements for the selection of automatic or semi-automatic fire

Description

J. VESELY July 8, 1947.

MEANS FOR ASSEMBLING THE BODY AND BUTT OF AUTOMATIC FIREARMS 2 Sheets-Sheet 1 Original Filed March 4, 1942 Vase;

Inventor Ki/ Attorney July 8, 1947.

J. VESELY 2,423,740

MEANS FOR ASSEMBLING THE BODY AND BUTT OF AUTOMATIC FI REARMS Original Filed March 4, 1942 2 SheetsSheet 2 Patented July 8, 1947 MEANS FOR ASSEMBLING THE BODY AND BUTT OF AUTOMATIC FIREARMS Josef Vesely, Winchmore Hill, London, England Original application March 4, 1942, Serial No.

1943, Serial No. 495,097.

June 10, 1941 2 Claims. 1

The present invention relates to improvements in automatic guns and in particular to that type of automatic guns known as sub-machine guns, and the object of the invention is to provide improved means of assembling together the gun body and butt, this application being a division of application Serial No. 433,322, filed March 4, 1942.

A further object of the invention is to provide gun body and butt assembling means which will ensure that a safe and strong connection is made between the butt and gun body when these parts are joined, but which will also enable the said parts readily to be disconnected when desired.

According to this invention there is provided means for assembling the body and butt of an automatic firearm, such means comprising a butt holder of generally cylindrical form into which is adapted to fit the rear end portion of the tubular gun body and which butt holder has a transverse closure Wall provided with an annular groove adapted to receive the rear end of the said gun body, and a securing pin adapted to be passed through registering holes provided in the said butt holder and the part of the gun body therein in order rigidly, but detachably, to secure the said gun body and butt holder together.

The accompanying drawings show by way of example an embodiment of the invention.

Figure 1 is a part longitudinal sectional side and part elevational view of an automatic gun embodying this invention;

Figure 2 is a View in longitudinal sectional elevation of the rear end of the gun body;

Figure 3 shows in elevation the securing bolt serving for connection of the gun body with the butt holder;

Figure 4 is a side sectional elevation of the butt holder; and

Figure 5 is a side elevation showing the rear part of the gun body assembled with the butt holder and butt.

Referring to the drawings, the gun comprises a barrel l surrounded, in the case illustrated, by a cooling jacket 2, this barrel being rigidly connected with a gun body 3 which is of circular form in cross-section. The usual rearsight 4 is secured to the gun body or casing 3 and provision is made in the lower part of the gun body for attaching a magazine 4 of any suitable design. For example, a holder 6 may be provided for this purpose at the lower side of the gun body 3, to receive the magazine 5 which is held in the holder 6 by a suitable catch 1.

The gun body is rigidly but removably con- Divided and this application July 17,

In Great Britain nected at its rear end to a butt holder 8 in a manner to be described, and this holder is in turn connected with a butt 9 of any convenient known form.

The butt holder 8 accommodates the trigger mechanism, indicated generally by reference 10 in Figure l, and carries the trigger guard.

Figures 2 to 5 show the form of the rear part of the gun body 3 and the manner of its connection with the butt holder 8. The rear end of the body 3 is of circular cross-section, and is provided with a hole H1 in its wall (Figure 2). The butt holder 8 is of generally cylindrical sleeve-like form and has, at one end, a circular transverse wall 2| in which is formed coaxially an annular groove l5 as shown in Figure 4 for the reception of the rear end of the cylindrical tubular gun body 3. A transverse hole It is formed in the circular end wall 2| of the butt holder 8 on a chord of the circle so that after the end of the gun body 3 has been inserted in the groove l5, and the hole I4 in the gun body has been brought into register with the transverse hole [6 in the end Wall of the butt holder, a securing pin l'l (shown separately in Figure 3) may be passed through these holes l4 and I6 firmly to connect the two parts 3 and 8 together.

The pin I1 is secured in the holding position by a spring loaded plunger l8 (Figure 3) engaging in a recess in one end of a groove IT in a flat side 24 provided on the head 25 of the pin H, such pin and spring being accommodated in a housing formed in a suitable projection l9 (Figure 5) on the butt holder 8. The inner end of the groove [1' limits the outward movement of the pin 11 and prevents it accidentally falling from the butt holder. A rigid and sturdy connection is thus obtained at that part of the gun where deformation has been found most likely to occur in guns of known construction.

The butt 9 is secured to the butt holder 8 in any suitable and convenient Way, and is provided internally with a hollow guide tube 20 for a recoil rod 22 (engaging the breech block l2) and spring l3, and this guide tube projects into and through a hole in the otherwise closed end of the butt holder 8.

At its lower part the butt holder 8 is provided with an opening or slot 23 for the insertion of the trigger mechanism within the butt holder.

I claim:

1. Means for assembling together the body and butt of a firearm having a cylindrical tubular body, said means comprising a butt holder of cylindrical sleeve form constructed to receive in one end thereof and to embrace in a close fit the rear end portion of said tubular body and to receive in its other end the front end of the butt, a transverse circular closure wall disposed across the said butt holder nearer the butt end than the body end thereof, said wall having in its surface facing towards the body end of the butt holder an annular, axially open groove shaped to receive and to position the rear end portion of said tubu lar body, the said butt holder and tubular body being provided with transverse holes on a common chord of the cylindrical tubular body and the cylindrical sleeve so as to register with one another when the said tubular body and butt holder are properly interfitted, a locking pin passing through the said holes in the butt holder and body when these holes are in register, and means for securing the said locking pin in the said registering holes including a spring urged securing element carried by the butt holder in a position to engage the locking pin for preventing the same from being unintentionally withdrawn in an endwise direction.

2. A firearm having a butt, a tubular gun body and a butt holder for detachably connecting said butt to said gun body, said butt holder being of generally cylindrical tubular form and constructed to receive and hold in the opposite end portions thereof the rear end portion of said gun body and the forward end of said butt, respectively, and including between its ends a transverse wall provided in its surface facing towards the body end of said butt holder with a deep annular axially open groove shaped to receive therein the rear end of the tubular gun body, and a securing pin passing through registering holes provided respectively in the gun body and butt holder for the purpose of locking the butt holder and gun body together.

JOSEF VESELY.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,430,661 Lewis Oct. 3, 1922 2,050,038 Browning Aug. 4, 1936 2,093,169 Holek Sept. 14, 1937 2,100,410 Pugsley Nov. 30, 1937 2,225,583 Blizard Dec, 17, 1940

US49509743 1941-06-10 1943-07-17 Means for assembling the body and butt of automatic firearms Expired - Lifetime US2423740A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB2391757X 1941-06-10
GB7355/41A GB573210A (en) 1941-06-10 1941-06-10 Improvements in or relating to firing mechanisms for automatic guns
US433322A US2391757A (en) 1941-06-10 1942-03-04 Firing mechanism for automatic guns
US49509943 US2389095A (en) 1941-06-10 1943-07-17 Means for varying the velocity of movement of the breech block in automatic guns
US49509643 US2360180A (en) 1941-06-10 1943-07-17 Trigger mechanism for automatic firearms
US49509743 US2423740A (en) 1941-06-10 1943-07-17 Means for assembling the body and butt of automatic firearms

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB1555142A GB573501A (en) 1941-06-10 1941-06-10 Improvements in or relating to trigger mechanisms for automatic firearms
GB1660042A GB573212A (en) 1941-06-10 1942-01-22 Means for assembling the body and butt of automatic firearms
GB1660242A GB573214A (en) 1941-06-10 1942-01-22 Improvements in or relating to means for varying the velocity of movement of the breech block in automatic guns
US433322A US2391757A (en) 1941-06-10 1942-03-04 Firing mechanism for automatic guns
US49509943 US2389095A (en) 1941-06-10 1943-07-17 Means for varying the velocity of movement of the breech block in automatic guns
US49509643 US2360180A (en) 1941-06-10 1943-07-17 Trigger mechanism for automatic firearms
US49509743 US2423740A (en) 1941-06-10 1943-07-17 Means for assembling the body and butt of automatic firearms

Publications (1)

Publication Number Publication Date
US2423740A true US2423740A (en) 1947-07-08

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Application Number Title Priority Date Filing Date
US49509743 Expired - Lifetime US2423740A (en) 1941-06-10 1943-07-17 Means for assembling the body and butt of automatic firearms
US49509943 Expired - Lifetime US2389095A (en) 1941-06-10 1943-07-17 Means for varying the velocity of movement of the breech block in automatic guns
US49509643 Expired - Lifetime US2360180A (en) 1941-06-10 1943-07-17 Trigger mechanism for automatic firearms

Family Applications After (2)

Application Number Title Priority Date Filing Date
US49509943 Expired - Lifetime US2389095A (en) 1941-06-10 1943-07-17 Means for varying the velocity of movement of the breech block in automatic guns
US49509643 Expired - Lifetime US2360180A (en) 1941-06-10 1943-07-17 Trigger mechanism for automatic firearms

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US (3) US2423740A (en)
GB (3) GB573501A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355563A (en) * 1980-06-26 1982-10-26 The United States Of America As Represented By The Secretary Of The Army Dual rate firing mechanism
US4889032A (en) * 1986-06-19 1989-12-26 Barbara Major Automatic firearm
US5038666A (en) * 1989-11-20 1991-08-13 Barbara Major Automatic firearm
US4972617A (en) * 1986-06-19 1990-11-27 Barbara Major Automatic firearm
US5909002A (en) * 1997-10-09 1999-06-01 Atchisson; Maxwell G. Buffer for firearm
US8001881B2 (en) * 2005-03-02 2011-08-23 Sy Ferdinand S Firing rate reduction system for an automatic firearm
US8397623B2 (en) * 2009-01-14 2013-03-19 Geoffrey A. Herring Rifle and kit for constructing same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1430661A (en) * 1918-11-23 1922-10-03 Isaac N Lewis Firearm
US2050038A (en) * 1934-12-04 1936-08-04 J M & M S Browning Company Repeating firearm
US2093169A (en) * 1933-03-15 1937-09-14 Firm Ceskoslovenska Zbrojovka Automatic firearm, in particular machine gun
US2100410A (en) * 1936-06-16 1937-11-30 Winchester Repeating Arms Co Take-down firearm
US2225583A (en) * 1940-01-31 1940-12-17 Western Cartridge Co Safety device for the firing mechanisms of firearms

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1430661A (en) * 1918-11-23 1922-10-03 Isaac N Lewis Firearm
US2093169A (en) * 1933-03-15 1937-09-14 Firm Ceskoslovenska Zbrojovka Automatic firearm, in particular machine gun
US2050038A (en) * 1934-12-04 1936-08-04 J M & M S Browning Company Repeating firearm
US2100410A (en) * 1936-06-16 1937-11-30 Winchester Repeating Arms Co Take-down firearm
US2225583A (en) * 1940-01-31 1940-12-17 Western Cartridge Co Safety device for the firing mechanisms of firearms

Also Published As

Publication number Publication date
US2389095A (en) 1945-11-13
GB573214A (en) 1945-11-12
US2360180A (en) 1944-10-10
GB573501A (en) 1945-11-23
GB573212A (en) 1945-11-12

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