GB543020A - Improvements in or relating to automatic fire arms - Google Patents
Improvements in or relating to automatic fire armsInfo
- Publication number
- GB543020A GB543020A GB31839/39A GB3183939A GB543020A GB 543020 A GB543020 A GB 543020A GB 31839/39 A GB31839/39 A GB 31839/39A GB 3183939 A GB3183939 A GB 3183939A GB 543020 A GB543020 A GB 543020A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arm
- bolt
- barrel
- detent
- breech
- 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
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
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/64—Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers
- F41A17/66—Firing-pin safeties, i.e. means for preventing movement of slidably- mounted strikers automatically operated, i.e. operated by breech opening or closing movement
-
- 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
-
- 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
- F41A5/02—Mechanisms or systems operated by propellant charge energy for automatically opening the lock recoil-operated
- F41A5/08—Mechanisms or systems operated by propellant charge energy for automatically opening the lock recoil-operated having an accelerator lever acting on the breech-block or bolt during the opening movement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
543,020. Automatic guns. REVELLI, G., and NASTURZIO, F. E. Dec. 8, 1939, No. 31839. Convention date, Dec. 21, 1.938. [Class 119] An automatic gun of the short-recoil type has a breech-bolt locking-pawl one end of which is pivotally seated in a recess in the barrel-extension, the other end engaging a notch in the outside of the bolt, the pawl being locked to the block by one arm of a bell-crank lever the other arm of .which engages a fixed stop during the period of short recoil. The breech bolt 3 is locked to the barrel-extension 2 by a detent 4 the rear end of which is hinged to the barrelextension the front end engaging a notch 6 in the bolt under the influence of the arm 12 of a spring-controlled bell crank lever 14 mounted to rock in the barrel-extension. On recoil of the locked barrel and breech bolt against the action of a coil spring 20, the arm 13 of the bell crank engages a fixed abutment 18 and the arm 12 then engages a shaped projection 19 on the detent to unlock the bolt which then recoils alone against the pressure of a spring-controlled rod 8 acting through the firing pin 7. On return, the firing pin is caught by the sear 25 whilst the breechbolt goes forward for closing and locking the breech. A safety detent 28 normally held from the path of the bent 24 by the arm 13 prevents firing except when the detent 4 is in locking position.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT217526X | 1938-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB543020A true GB543020A (en) | 1942-02-06 |
Family
ID=11186360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31839/39A Expired GB543020A (en) | 1938-12-21 | 1939-12-08 | Improvements in or relating to automatic fire arms |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2350821A (en) |
| BE (1) | BE437192A (en) |
| CH (1) | CH217526A (en) |
| ES (1) | ES147605A1 (en) |
| FR (1) | FR862224A (en) |
| GB (1) | GB543020A (en) |
-
1939
- 1939-11-29 CH CH217526D patent/CH217526A/en unknown
- 1939-11-30 BE BE437192D patent/BE437192A/xx unknown
- 1939-12-08 GB GB31839/39A patent/GB543020A/en not_active Expired
- 1939-12-12 US US308845A patent/US2350821A/en not_active Expired - Lifetime
- 1939-12-12 FR FR862224D patent/FR862224A/en not_active Expired
- 1939-12-13 ES ES0147605A patent/ES147605A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES147605A1 (en) | 1941-09-16 |
| CH217526A (en) | 1941-10-31 |
| FR862224A (en) | 1941-03-10 |
| BE437192A (en) | 1939-12-30 |
| US2350821A (en) | 1944-06-06 |
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