GB652497A - Improvements in bolt mechanisms of firearms - Google Patents

Improvements in bolt mechanisms of firearms

Info

Publication number
GB652497A
GB652497A GB2417048A GB2417048A GB652497A GB 652497 A GB652497 A GB 652497A GB 2417048 A GB2417048 A GB 2417048A GB 2417048 A GB2417048 A GB 2417048A GB 652497 A GB652497 A GB 652497A
Authority
GB
United Kingdom
Prior art keywords
firing pin
fins
lock
return spring
percussion
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
Application number
GB2417048A
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
Application filed by Individual filed Critical Individual
Priority to FR971671D priority Critical patent/FR971671A/en
Priority to GB2417048A priority patent/GB652497A/en
Priority to BE484890D priority patent/BE484890A/xx
Priority to CH280217D priority patent/CH280217A/en
Priority to DE1949C0000020 priority patent/DE824459C/en
Publication of GB652497A publication Critical patent/GB652497A/en
Expired legal-status Critical Current

Links

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
    • F41A19/00—Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/25—Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having only slidably-mounted striker elements, i.e. percussion or firing pins
    • F41A19/27—Mechanical 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
    • 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
    • F41A5/00—Mechanisms or systems operated by propellant charge energy for automatically opening the lock
    • F41A5/18—Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated
    • F41A5/24—Mechanisms or systems operated by propellant charge energy for automatically opening the lock gas-operated by direct action of gas pressure on bolt or locking elements

Landscapes

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

Abstract

652,497. Firearms ; cartridges. CERRELLA, V. Sept. 15, 1948, No. 24170. [Classes 9 (i), 92 (ii) and 119] The breech block of a firearm using cartridges with ejectable percussion caps has an axial bore, through which the firing pin operates, and a radial bore communicating with the axial bore, whereby the percussion cap under the influence of the gases of explosion re-cocks the firing pin as it is impelled first along the axial bore and then through the radial bore. In the form shown the breech block 1 is formed with resilient fins 12, and is recessed at 2 tor tne passage of a firing pin 14 and at 5 for the ejection of the percussion caps. The firing pin has an enlarged portion 16 and is secured at its rear end to a member 26 which slides in a tubular guide 27 and is acted upon by a return spring. A device 18a is slidably mounted on the firing pin between the parts 16 and 26, and is formed with an inclined surface 23 adapted to engage the fins 12. Operation. The return spring acting on the member 26 urges the firing pin, and with it the device 18a and the lock, forwardly from the retracted position shown in Fig. 1, thus introducing a round b into the cartridge chamber 6. At tnis stage the lock closes the recess 8 at the rear end of the barrel and further forward movement of the lock is prevent ed The firing pin, however, continues its forward movement, and in doing so causes the surface 23 to open the fins 12 into locking engagement with a fixed ring 28. Upon firing, the combustion gases pass rearwardly through bores e, Fig. 4, of the cartridge shell and eject the percussion cap d which in turn projects the firing pin to the rear. In this latter movement the part 16 of the firing pin drives the device 18a to the rear, thus allowing the fins 12 to become unlocked, the return spring is compressed, and the cap d after striking a wall 30 in the lock is ejected through the opening 5.
GB2417048A 1948-09-15 1948-09-15 Improvements in bolt mechanisms of firearms Expired GB652497A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR971671D FR971671A (en) 1948-09-15 1948-09-15 Control device of the movable mechanism of firearms in general
GB2417048A GB652497A (en) 1948-09-15 1948-09-15 Improvements in bolt mechanisms of firearms
BE484890D BE484890A (en) 1948-09-15 1948-09-17
CH280217D CH280217A (en) 1948-09-15 1948-09-27 Lock for firearms.
DE1949C0000020 DE824459C (en) 1948-09-15 1949-10-11 Gas pressure charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2417048A GB652497A (en) 1948-09-15 1948-09-15 Improvements in bolt mechanisms of firearms

Publications (1)

Publication Number Publication Date
GB652497A true GB652497A (en) 1951-04-25

Family

ID=10207504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2417048A Expired GB652497A (en) 1948-09-15 1948-09-15 Improvements in bolt mechanisms of firearms

Country Status (5)

Country Link
BE (1) BE484890A (en)
CH (1) CH280217A (en)
DE (1) DE824459C (en)
FR (1) FR971671A (en)
GB (1) GB652497A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018172804A1 (en) * 2017-03-24 2018-09-27 Palocska Janos Firing pin protecting structure for guns

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1199163B (en) * 1960-08-06 1965-08-19 Karlsruhe Augsburg Iweka Semi-rigid locking, two-part lock for automatic weapons

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018172804A1 (en) * 2017-03-24 2018-09-27 Palocska Janos Firing pin protecting structure for guns

Also Published As

Publication number Publication date
DE824459C (en) 1951-12-10
FR971671A (en) 1951-01-19
BE484890A (en) 1948-10-15
CH280217A (en) 1952-01-15

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