US1520515A - Breech-closing and gun-firing mechanism - Google Patents

Breech-closing and gun-firing mechanism Download PDF

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Publication number
US1520515A
US1520515A US704475A US70447524A US1520515A US 1520515 A US1520515 A US 1520515A US 704475 A US704475 A US 704475A US 70447524 A US70447524 A US 70447524A US 1520515 A US1520515 A US 1520515A
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Prior art keywords
bolt
breech
closing
gun
hammer
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US704475A
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William H Storer
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
    • F41C7/00—Shoulder-fired smallarms, e.g. rifles, carbines, shotguns
    • F41C7/06—Lever-action guns, i.e. guns having a rocking lever for loading or cocking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A3/00—Breech mechanisms, e.g. locks
    • F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
    • F41A3/14—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively
    • F41A3/16—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks
    • F41A3/18—Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks hand-operated

Definitions

  • This invention relates to breech closing and tiring mechanisms for application upon gun structures in which ammunition in cartridge form is used and it consists in toe novel features hereinafter described and claimed.
  • An 'object of the invention is to provide a mechanism of the character stated which includes a breech closing bolt adapted to connect with the barrel by means of an interrupted thread, 7 there being means for throwing the bolt longitudinally and means simultaneously operated for turning the bolt in orderto connect and disconnect the thread sections which are provided for locking the bolt in the breech of'the barrel.
  • a further object 'of the invention is to provide in mechanisms of the character 'statedralever which is used for throwing the bolt andwvhich is connected with or carries I the means for turning the bolt, the said lever also serving as a trigger guard.
  • a further obj ect of the invention is to provide inrnec-hanisms of the character stated, means and features for swinging theihammer of the gun to cocked position when the bolt isdisconnected from the barrel and is movedto a position to provide clearance space for a used shell to be ei cted from the gun, through which clearance space'a loaded shell may be inserted in the shell chamber at the breech of the barrel.
  • a still further objectof the-invention is to provide in mechanisms of the character stated, means which Will'serve as abarrier and'iprevent the hammer from striking the firingipinof the mechanism until such time, and until the arrangement of the parts is such that the breech closing bolt is properly and securely engaged in the breech of the barrel.
  • Figurel is a sectional'vievv of the breech mechanism showing the breech. bolt in engagement with the breech of the barrel.
  • Figure 2 is a similar view showing the relative positions of the parts when the Serial No. 704,475.
  • breech closing bolt is disconnected from the breech of the barrel.
  • Figure is a transverse sectional viewof the mechanism cut on the line 3-3 of Figure 1.
  • Figure is a longitudinal detail sectional view of the breech closing bolt used in the mechanism.
  • Figure is an end view oi? the breech closing bolt.
  • Figure 6 is an end view of the breechclosing bolt With a collar and links I mounted thereon.
  • Figure '7 is a side view oia guide member used in the mechanism for directing the movement of the breech closing bolt.
  • a stock 5 is connected with the inner end or" the barrell in a usual manner and is, provided with a chamber 6.
  • the stock 5 carries the usual hammer 7' and trigger*&
  • .1 plate 9 is pivoted at its forward end to the forward portion ot' the stock and is adapted to close Within the lower portion of the chamber 6.
  • Guide flanges 1O are provided at the side Walls of the chamber 6' and in the vicinity of the upper edge thereof.
  • a guide member 11 is provided at its sides with grooves 12 which receive the flangeslO and 'the member 11 may slide along the flanges 10.
  • a lever 13 is pivoted one end to the guide member 11 and is provided at an intermediate port-ion with as'lotl: which receives a transversely disposedpin or stud 15 carried at the free end portion-otthe plate 9.
  • the lever 13 is provided with a curved section 16 adapted to OX'EQDCliII'O'ttIICl the trigger 8 when the lever is swung to the position as shown in Figure 1. Therefore the said lever serves as a guard for the trigger 8.
  • the leverl is further provided with a hand grip I? which is adapted to "bear against the under side or the intermediate portion of the stock 5 when the parts are in the position as shown in Figure" 1.
  • the breech closing mechanism includes a bolt 18 Which is provided "at its inneriend with interrupted thread sections 19 adapted to engage with the thread sections 4 of the ree h p n n 3 h r e described
  • the bolt 18 is provided at points between its ends with spaced collars 20 and the guide member 11 is received between the said collars 20.
  • the bolt 17 is journalled for turning movement in the guide member 11.
  • the bolt 18 is providedat its side with a longitudinally disposed key groove 21.
  • a collar 22 is slidably mounted upon the bolt 18 and is provided with a tongue 23 which is received within the groove 21.
  • a link 2 1 is pivoted at one end to the side of the collar 22 and pivoted at its other end to the free end portion of the plate 9.
  • the bolt 18 is moved longitudinally and turned into engagement with the thread. sections at of the breech opening 8 in the following manner. Assuming that the parts are in the positions as shown in Figure 2 of the drawings, the outer end of the lever 13 is swung toward the intermediate portion of the stock whereby the section 16 is disposed around the trigger 8 and the grip 17 is moved into engagement with the gun stock. During such movement, the slot let moves along the pin 15 and the plate 9 is swung to the open position shown in Figure 2 to the closed position as shown in Figure 1, with relation to the chamber 6. At the same time, the guide member 11 is moved along the guide flanges 10 toward the breech opening 3, carrying with it the bolt 18.
  • a spring hook 25 is mounted at the inner end of the bolt 18 and is adopted to engage over the flange of the cartridge (not shown), which is withdrawn from the chamber 2, and thus as the bolt 18 is moved away from the breech opening 3, an empty cartridge shell is extracted'from the chamber 2 and passed into the chamber 6.
  • a firing pin 26 is slidably mounted at the center of the bolt 18 and spaced collars 27 are carried the said pin.
  • a lug screw 28 passes through the side of the bolt 18 and its inner enc is received between the collars 17 and the said lug screw serves as means for limiting the sliding movement of the firing pin in the said bolt.
  • the bolt 18 is provided at its outer end with a transversely disposed shoulder 29 which lies just beyond the side of the path of movement of he hammer 7 when the inner end of the bolt 18 is in proper engagement with the threads -l at the breech opening.
  • the transverse breadth of the shoulder is such that the hammer 7 is prevented from striking the outer end of the pin 26 unless the edge of the shoulder is properly positioned with relation to'the path of movement of the hammer and consequently it is impossible for the hammer to strike the outer end of the pin 26 until such time as the inner end of the bolt 18 is properly engaged with the inner end of the barrel 1 and the chamber 2 is securely closed.
  • the bolt 18' is further provided at its outer end with an inclined or cam surface 81 which is adapted to move over the edge of the hammer 6 when the bolt 18 is moved to the position as shown in Figure 2 and starts the swinging of the hammer 7 form the pin engaging position to the cocked position as shown in Figure 2.
  • a gun breech closing mechanism comprising a bolt mounted for longitudinal movement in alinement with the breech WILLIAM H; ar ane;

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

Dec.
W. H. STORER BREECH CLOSING AND GUN FIRING MECHANISM Filed April 5, 1924 Z ShaetS-Sheet l W. H. STORER BREECH CLOSING AND GUN FIRING MECHANISM Filed April 5, 1924 2 Sheets-Sheet 2 Patented Dec. 23, 1924.
UNITED S T A T E 5 WILLIAM H. STORER, OF CASPER, 'WYOMING.
'lBREEGI-I-CLOSING AND GUN-FIRING liIECHANISM.
Application filed April 5, 1924..
To all "whom it may concern:
Be it known that I. ll iLLL-uu H. S'ronrn. a citizen of the rlnited States, residing at Gasper, in the county of ITatrona and State of yoming. have invented certain new and useful Improvements in Breech-Closing and Gun Firin -Mechanism, of which the following is a specification.
This invention relates to breech closing and tiring mechanisms for application upon gun structures in which ammunition in cartridge form is used and it consists in toe novel features hereinafter described and claimed.
An 'object of the invention is to provide a mechanism of the character stated which includes a breech closing bolt adapted to connect with the barrel by means of an interrupted thread, 7 there being means for throwing the bolt longitudinally and means simultaneously operated for turning the bolt in orderto connect and disconnect the thread sections which are provided for locking the bolt in the breech of'the barrel.
A further object 'of the invention is to provide in mechanisms of the character 'statedralever which is used for throwing the bolt andwvhich is connected with or carries I the means for turning the bolt, the said lever also serving as a trigger guard.
A further obj ect of the invention is to provide inrnec-hanisms of the character stated, means and features for swinging theihammer of the gun to cocked position when the bolt isdisconnected from the barrel and is movedto a position to provide clearance space for a used shell to be ei cted from the gun, through which clearance space'a loaded shell may be inserted in the shell chamber at the breech of the barrel.
A still further objectof the-invention is to provide in mechanisms of the character stated, means which Will'serve as abarrier and'iprevent the hammer from striking the firingipinof the mechanism until such time, and until the arrangement of the parts is such that the breech closing bolt is properly and securely engaged in the breech of the barrel.
In: the accompanying drawings Figurel is a sectional'vievv of the breech mechanism showing the breech. bolt in engagement with the breech of the barrel.
Figure 2 is a similar view showing the relative positions of the parts when the Serial No. 704,475.
breech closing bolt is disconnected from the breech of the barrel.
Figure is a transverse sectional viewof the mechanism cut on the line 3-3 ofFigure 1.
Figure is a longitudinal detail sectional view of the breech closing bolt used in the mechanism. I
Figure is an end view oi? the breech closing bolt.
Figure 6 is an end view of the breechclosing bolt With a collar and links I mounted thereon.
Figure '7 is a side view oia guide member used in the mechanism for directing the movement of the breech closing bolt. I
l The barrel of the gun is shown at 1 and the said barrel is provided at its inner end'w ith the usualcartridge chamber 2 and breech opening The inner-surfaceof the opening3 isprovidecbwith interrupted thread sections of usual form. A stock 5 is connected with the inner end or" the barrell in a usual manner and is, provided with a chamber 6. The stock 5 carries the usual hammer 7' and trigger*&
.1 plate 9 is pivoted at its forward end to the forward portion ot' the stock and is adapted to close Within the lower portion of the chamber 6. Guide flanges 1O are provided at the side Walls of the chamber 6' and in the vicinity of the upper edge thereof. A guide member 11 is provided at its sides with grooves 12 which receive the flangeslO and 'the member 11 may slide along the flanges 10. A lever 13 is pivoted one end to the guide member 11 and is provided at an intermediate port-ion with as'lotl: which receives a transversely disposedpin or stud 15 carried at the free end portion-otthe plate 9. The lever 13 is provided with a curved section 16 adapted to OX'EQDCliII'O'ttIICl the trigger 8 when the lever is swung to the position as shown in Figure 1. Therefore the said lever serves as a guard for the trigger 8. The leverl is further provided with a hand grip I? which is adapted to "bear against the under side or the intermediate portion of the stock 5 when the parts are in the position as shown in Figure" 1.
The breech closing mechanism includes a bolt 18 Which is provided "at its inneriend with interrupted thread sections 19 adapted to engage with the thread sections 4 of the ree h p n n 3 h r e described The bolt 18 is provided at points between its ends with spaced collars 20 and the guide member 11 is received between the said collars 20. The bolt 17 is journalled for turning movement in the guide member 11. The bolt 18 is providedat its side with a longitudinally disposed key groove 21. A collar 22 is slidably mounted upon the bolt 18 and is provided with a tongue 23 which is received within the groove 21. A link 2 1 is pivoted at one end to the side of the collar 22 and pivoted at its other end to the free end portion of the plate 9.
The bolt 18 is moved longitudinally and turned into engagement with the thread. sections at of the breech opening 8 in the following manner. Assuming that the parts are in the positions as shown in Figure 2 of the drawings, the outer end of the lever 13 is swung toward the intermediate portion of the stock whereby the section 16 is disposed around the trigger 8 and the grip 17 is moved into engagement with the gun stock. During such movement, the slot let moves along the pin 15 and the plate 9 is swung to the open position shown in Figure 2 to the closed position as shown in Figure 1, with relation to the chamber 6. At the same time, the guide member 11 is moved along the guide flanges 10 toward the breech opening 3, carrying with it the bolt 18. The longitudinal movement of the bolt 18 takes place initially owing to the lost motion provided by the slot and pin connection between the lever 13 and the plate 9. Then the end of the bolt 18 ar rives at the edge of the breech opening 3, the pin 15 has arrived at the end of the slot 14- and consequentl as the bolt 18 is projected into the breech opening 3, the
plate 9 is swung from the open position to the closed position. This movement on the part of the plate 9 moves the link 24 longitudinally whereby the collar 22 partially rotates the bolt 18 and the threads 19 thereof engage in the threads 4 at the inner surface of the breech opening 3. Thus the breech opening is closed by the bolt and the bolt is effectually locked in the said breech opening.
When the grip portion 17 of the lever 13- is swung away from the intermediate portion of the stock 5, the plate 9 is swung outwardly whereby the link 24, is pulled down and the bolt 18 is partially rotated and the threads 19 ofthe bolt are disen gaged from the threads 1 in the breech opening' 3. As the end portion 17 of the lever 13 continues to -move away from the intermediate portion of the stock 5, the guide member 11 moves along the flanges 10 and the bolt 18 is moved to the position as shown in Figure 2 of the drawing. The striking nd of the hammer 7 is located in the path of movement of the outer end of the bolt 18,
therefore the outer end of the bolt 18 engages the striking end or surface of the hammer 7 and swings the hammer from the position shown in Figure 1 to the cocked position as shown in Figure 2.
. I A spring hook 25 is mounted at the inner end of the bolt 18 and is adopted to engage over the flange of the cartridge (not shown), which is withdrawn from the chamber 2, and thus as the bolt 18 is moved away from the breech opening 3, an empty cartridge shell is extracted'from the chamber 2 and passed into the chamber 6. A firing pin 26 is slidably mounted at the center of the bolt 18 and spaced collars 27 are carried the said pin. A lug screw 28 passes through the side of the bolt 18 and its inner enc is received between the collars 17 and the said lug screw serves as means for limiting the sliding movement of the firing pin in the said bolt. The bolt 18 is provided at its outer end with a transversely disposed shoulder 29 which lies just beyond the side of the path of movement of he hammer 7 when the inner end of the bolt 18 is in proper engagement with the threads -l at the breech opening. The transverse breadth of the shoulder is such that the hammer 7 is prevented from striking the outer end of the pin 26 unless the edge of the shoulder is properly positioned with relation to'the path of movement of the hammer and consequently it is impossible for the hammer to strike the outer end of the pin 26 until such time as the inner end of the bolt 18 is properly engaged with the inner end of the barrel 1 and the chamber 2 is securely closed. The bolt 18' is further provided at its outer end with an inclined or cam surface 81 which is adapted to move over the edge of the hammer 6 when the bolt 18 is moved to the position as shown in Figure 2 and starts the swinging of the hammer 7 form the pin engaging position to the cocked position as shown in Figure 2.
Having described the invention, what is claimed is:
A gun breech closing mechanism comprising a bolt mounted for longitudinal movement in alinement with the breech WILLIAM H; ar ane;
opening, means carried by the bolt for en
US704475A 1924-04-05 1924-04-05 Breech-closing and gun-firing mechanism Expired - Lifetime US1520515A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648153A (en) * 1945-02-09 1953-08-11 Allen A Dicke Operating lever means for breech closing mechanisms
US2761234A (en) * 1953-07-28 1956-09-04 Walter A R Bradley Turning bolt lever action rifle
US2765561A (en) * 1951-12-17 1956-10-09 William B Morris Repeating rifle having trigger mechanism on finger lever
US2777234A (en) * 1951-07-25 1957-01-15 Elmer Brandell Lever action firearm
US2857699A (en) * 1956-08-01 1958-10-28 Hubley Mfg Company Toy rifle
US3377730A (en) * 1966-12-16 1968-04-16 Karl R. Lewis Bolt mechanism for bolt action type firearm and mechanism used therein for converting rotary motion to reciprocating and rotary motion
USD969257S1 (en) * 2020-02-19 2022-11-08 Moab Ventures, LLC Air gun

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648153A (en) * 1945-02-09 1953-08-11 Allen A Dicke Operating lever means for breech closing mechanisms
US2777234A (en) * 1951-07-25 1957-01-15 Elmer Brandell Lever action firearm
US2765561A (en) * 1951-12-17 1956-10-09 William B Morris Repeating rifle having trigger mechanism on finger lever
US2761234A (en) * 1953-07-28 1956-09-04 Walter A R Bradley Turning bolt lever action rifle
US2857699A (en) * 1956-08-01 1958-10-28 Hubley Mfg Company Toy rifle
US3377730A (en) * 1966-12-16 1968-04-16 Karl R. Lewis Bolt mechanism for bolt action type firearm and mechanism used therein for converting rotary motion to reciprocating and rotary motion
US3461731A (en) * 1966-12-16 1969-08-19 Karl R Lewis Mechanism for converting rotary motion to reciprocating and rotary motion
USD969257S1 (en) * 2020-02-19 2022-11-08 Moab Ventures, LLC Air gun

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