US2614462A - Latch for pivoted locking bolts for repeating firearms - Google Patents

Latch for pivoted locking bolts for repeating firearms Download PDF

Info

Publication number
US2614462A
US2614462A US20261A US2026148A US2614462A US 2614462 A US2614462 A US 2614462A US 20261 A US20261 A US 20261A US 2026148 A US2026148 A US 2026148A US 2614462 A US2614462 A US 2614462A
Authority
US
United States
Prior art keywords
block
breech
breech block
barrel
locking
Prior art date
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
US20261A
Other languages
English (en)
Inventor
Val A Browning
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to BE488222D priority Critical patent/BE488222A/xx
Application filed by Individual filed Critical Individual
Priority to US20261A priority patent/US2614462A/en
Priority to FR984245D priority patent/FR984245A/fr
Application granted granted Critical
Publication of US2614462A publication Critical patent/US2614462A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
    • F41A3/38—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes
    • F41A3/40—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having rocking locking elements, e.g. pivoting levers or vanes mounted on the bolt
    • 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
    • F41A35/00—Accessories or details not otherwise provided for
    • F41A35/02—Dust- or weather-protection caps or covers

Definitions

  • b'ya locking block wh'ic'h, during recoil movement of thebarrel, is automatically moved to an unlocking position andwhich locking block, when the breech block reaches or:approaches:its-:normally' forward position, isagain automatically engaged: with the barrel.
  • An aim. ofthe present invention iscto provide a very simple; economical,” and efiicient arrangement for positivelymaintaining the locking block in i a clisengaged position where it will not engage or wipe againt the barrelex-tension during the ft'zrvwircl motion ofthe breech block and which locking blockis automatically released so as to moveto locking position after the breech block hasreached orapproximately reached its foremost position;
  • a fiirtheraim of the invention is to-provide an improved arrangement wherein that portion of tlie ejection-opening 'whichis not closedby the breech block is closed by a-closuremember with which-is associated the means'for latching the locking block in said unlocking position.
  • Fig-l 31 is 'a: plan viewpartly in cross' section and showingr the operating np'arts in l firing posi+ tion;
  • Figs 5- is' axvertical;
  • the-firearm is shown ashaving a" frame or receiver I0 and aabarrel ll,,the:latter; having a barrel extension lzimounted for reciprocating: movement within the receiver.
  • a guide member l3u which'mayor may not-be inthe form of a .magazine, this guide member being; adapted to guide theforwardportion of the barrel in any
  • This guide member may sup,- port a recoilspring designated bythenumeral l4.
  • Extending; downwardly and rearwardly from the rearend-of thereceiver is a tube l5 -within which isamounted a guide. member [6 behind whichis an action spring: I l.
  • a-breech block upper wall provided: at its rear end with a l for;
  • the locking block is disengaged from the barrel extension, whereupon the breech block and a the parts associated therewith continue their recoil movement and then the action spring advances the'breech block to its normal forward block recoil together and, when the barrel has position, the barrel having been advanced'to its forward position by the recoil spring.
  • I provide an improved, simple, and very efiective latch 40 for the-breech block, and a portion of this slide may be employed, as later described, to close, in part,
  • the latching member may take a form other than that particularly here shown.
  • the latching member is generally U-shaped ini'plan view, it having a long arm 4
  • the long arm is located in a longitudinally extending groove 43 in the exterior side face of the breech block, and the other arm is accommodated by a groove 44 on the side face of the recess of the breech block.
  • the connecting portion between these arms is designated by the numeral 45.
  • is of such length thatone end or the other thereof extends'beyond the corresponding endof the breech block.
  • the shorter arm 42 which constitutes the locking latch proper, is of-such length that, when the slide is in its rearmost position (see Figs. 2 and 3) with respect to the breech block, the arm is free of the locking block and, when the slide is in its foremost position (see Figs.
  • the forward end of the arm extends over an upwardly facing ledge 46 on the locking block, this ledge being just rearwardly of the locking shoulder 25.
  • is bent inwardly as at .41 so as to lie in front'of a shoulder. atthe forward end of the breech 'block soth'at the extent to which the slide .may; move rearwardly with respect to. the breech blockis limited.
  • the member 40 is made of spring metal and the arm'4l resiliently bears against theppposing facevof the breech block so that there is a drag or friction therebetween to prevent accidental movement of the slide. with respect to thebreech block.
  • ] is longer than the breech block in order to facilitatethe ejection of the empty shell. and, therefore; thebreech block does 4 not provide a complete closure for the ejection opening when the breech block is in firing position.
  • the closure is associated with the breech block a closure for closing the rear end of the ejection opening.
  • the closure is in the form of a plate or wing 49 depending from the rear end portion of the arm 4
  • a breechblock mountedfor reciprocationon the receiver
  • a-locking block movably carried by said breech block for movement into and out, of lQck ing engagement with said barrehmeans formqv- .
  • a latching member for holding the said locking block in unlocked position during forward movement of the breech block until the breech block has reached substantially its foremost position
  • a recoil-operated firearm a receiver, a barrel, a breech block, a locking block on the breech block movable into and out of cooperative relationship with the barrel, said barrel and breech block being mounted for reciprocating movement relative to the receiver and said breech block having a longer recoil stroke than said barrel, means for restoring said barrel to its firing position during the interval when the breech block is undergoing its final recoil movement, means for restoring said breech block in cooperative locked relation with the barrel after the barrel has been restored to firing position, a
  • latching member carried by the breech block for latching the locking block in disengaged position during the forward movement of the breech block until substantially the breech block has reached its foremost position, an abutment on the receiver for establishing a latching relationship between the latching member and the locking block as the breech block approaches the rearmost limit of its recoil movement, and means for disengaging the latching member from the locking block as the breech block approaches its full breech closing position.
  • a recoil-operated firearm a receiver, a barrel having a barrel extension mounted for reciprocation in the receiver and provided with a locking shoulder, a breech block carried by the receiver and mounted for reciprocation thereon, a locking block carried by said breech block for movement between a locking position and an unlocked position, said locking block having a shoulder arranged to engage said first mentioned shoulder when the breech block is locked to the barrel extension, means for moving said locking block to unlocked position upon recoil movement of the barrel, means for restoring the barrel to its firing position, means for restoring the breech block in cooperative locked relation with the barrel after the barrel has been restored to firing position, and a latch member mounted on said breech block for longitudinal sliding movement relative thereto and constructed and arranged to hold said locking block in unlocked position during forward movement of the breech block until the breech block has substantially reached its foremost position, whereupon the latch member is disengaged from the locking block.
  • a receiver In a recoil-operated firearm, a receiver, a barrel having a barrel extension mounted for reciprocation in the receiver and provided with a locking shoulder, a breech block carried by the receiver and mounted for reciprocation thereon,
  • a locking block carried by said breech block for movement between a locking position and an unlocked position, said locking block having a shoulder arranged to engage said first mentioned shoulder when the breech block is locked to the barrel extension, means for moving said locking block to unlocked position upon recoil movement of the barrel, means for restoring the barrel to its firing position, means for restoring the breech block in cooperative locked relation with the barrel after the barrel has been restored to firing position, and a latch member carried by said breech block for sliding longitudinal movement relative thereto and having a forward position with respect to the breech block in which the latch member maintains said locking block in unlocked position during the forward movement of the breech block until the'breech block has substantially reached its foremost position, said latch member in its rearmost position with respect to the breech block being in inoperative position, a shoulder for stopping the rearward movement of the latch member and then the rearward movement of the breech block whereby the latch member is engaged with the locking block as the breech block approaches its rearmost limit of recoil movement, and
  • a receiver having an ejection opening, a barrel mounted for reciprocation on the receiver, a breech block mounted for reciprocation on said receiver and of lesser length than the length of said ejection opening, a locking block movably carried by said breech block for movement into and out of locking engagement with said barrel, means for moving the locking. block towards unlocked position upon recoil movement of the barrel, a latching member for holding said locking block in unlocked position during forward movement of the breech block until the breech block has reached substantially its foremost position, means, for

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Portable Nailing Machines And Staplers (AREA)
US20261A 1948-04-10 1948-04-10 Latch for pivoted locking bolts for repeating firearms Expired - Lifetime US2614462A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE488222D BE488222A (en(2012)) 1948-04-10
US20261A US2614462A (en) 1948-04-10 1948-04-10 Latch for pivoted locking bolts for repeating firearms
FR984245D FR984245A (fr) 1948-04-10 1949-04-06 Arme à feu à répétition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20261A US2614462A (en) 1948-04-10 1948-04-10 Latch for pivoted locking bolts for repeating firearms

Publications (1)

Publication Number Publication Date
US2614462A true US2614462A (en) 1952-10-21

Family

ID=21797617

Family Applications (1)

Application Number Title Priority Date Filing Date
US20261A Expired - Lifetime US2614462A (en) 1948-04-10 1948-04-10 Latch for pivoted locking bolts for repeating firearms

Country Status (3)

Country Link
US (1) US2614462A (en(2012))
BE (1) BE488222A (en(2012))
FR (1) FR984245A (en(2012))

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715356A (en) * 1949-03-17 1955-08-16 Costruzioni Meccaniche Breda E Closing block with percussion safety for automatic guns

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1353736A (en) * 1916-11-20 1920-09-21 Farquhar Moubray Gore Automatic firearm
US1395455A (en) * 1918-07-22 1921-11-01 Elbert H Searle Breech-loading firearm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1353736A (en) * 1916-11-20 1920-09-21 Farquhar Moubray Gore Automatic firearm
US1395455A (en) * 1918-07-22 1921-11-01 Elbert H Searle Breech-loading firearm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715356A (en) * 1949-03-17 1955-08-16 Costruzioni Meccaniche Breda E Closing block with percussion safety for automatic guns

Also Published As

Publication number Publication date
BE488222A (en(2012))
FR984245A (fr) 1951-07-03

Similar Documents

Publication Publication Date Title
US9651326B2 (en) Firearm
US2645873A (en) Slide-actuated firearm with tilting locking block
US2341767A (en) Ejection opening cover for firearms
US1457961A (en) Firearm
US2570772A (en) Recoil operated firearm with pivoted bolt lock
US20220146223A1 (en) Breech and weapon system with the breechblock
US639421A (en) Recoil-operated firearm.
GB136166A (en) Improvements in or relating to Machine Guns.
US2146743A (en) Firearm
GB400588A (en) Improvements in recoil operated small arms
US2085812A (en) Firearm
US2614462A (en) Latch for pivoted locking bolts for repeating firearms
US2461670A (en) Automatic sear-releasing mechanism for firearms
US1401552A (en) Firearm
US2712192A (en) Extraction, ejection and ramming mechanism
US1477115A (en) Double-barreled machine gun with recoiling barrels
US1331154A (en) Bolt-action gun
US2715356A (en) Closing block with percussion safety for automatic guns
US2214071A (en) Bolt-action firearm
US2108130A (en) Extractor mechanism for breakdown firearms
GB348580A (en) Improvements in or relating to small arms
US3234850A (en) Breech mechanisms for automatic firearms having a recoiling tube
US2199871A (en) Automatic firearm
US804694A (en) Automatic firearm.
US933254A (en) Automatic firearm.