GB1299407A - Safety fuse with time and impact action - Google Patents
Safety fuse with time and impact actionInfo
- Publication number
- GB1299407A GB1299407A GB20779/70D GB2077970D GB1299407A GB 1299407 A GB1299407 A GB 1299407A GB 20779/70 D GB20779/70 D GB 20779/70D GB 2077970 D GB2077970 D GB 2077970D GB 1299407 A GB1299407 A GB 1299407A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- fuze
- spring
- impact
- percussion cap
- 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
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/18—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved
- F42C15/184—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a slidable carrier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/20—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin
- F42C15/22—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin using centrifugal force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/24—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C9/00—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition
- F42C9/10—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C9/00—Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition
- F42C9/14—Double fuzes; Multiple fuzes
- F42C9/142—Double fuzes; Multiple fuzes combined time and percussion fuzes in which the timing is caused by combustion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Air Bags (AREA)
Abstract
1299407 Projectile fuzes FORENADE FABRIKSVERK 30 April 1970 [19 May 1969] 20779/70 Heading F3A A fuze for setting hand grenades and mortar bombs for impact and/or delay action comprises a spring-loaded piston 7, Fig. 1, carrying a percussion cap 14a, and a spring-loaded hollow piston 13, Fig. 2, containing a delay charge 35, the piston 13 being movable only when the piston 7 is in an armed position, i.e., with the percussion cap 14a aligned with a striker 6. When the fuze is to be used, safety pins 7a and 15 are first removed, and the piston 7 is pushed inwards, either manually in the case of hand grenades, or by the pressure of the propellant gases in the case of mortar bombs. As the grenade or bomb is projected, a ball 9a sets back from a magnet 9 and drops into a recess 8b, whereupon a spring 19 pushes the piston 7 into its armed position against the delaying action of a vacuum behind the piston. A flange 13a, Fig. 2, of the piston 13 is thereby disengaged by the piston 7, and a spring 26 drives the piston 13 against a striker 12 to ignite the delay charge 35. The flash from a primer 36 subsequently ignites the percussion cap 14a. If impact of the grenade or bomb occurs before flash-over, a ball 5 attracted to a magnet 3 drives the striker 6 into the percussion cap. To set the fuze for delay only, the safety pin 15 is not removed and to set the fuze for impact only the piston 13 is locked in position.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE07026/69A SE331438B (en) | 1969-05-19 | 1969-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1299407A true GB1299407A (en) | 1972-12-13 |
Family
ID=20270215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20779/70D Expired GB1299407A (en) | 1969-05-19 | 1970-04-30 | Safety fuse with time and impact action |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3630152A (en) |
| JP (1) | JPS5022840B1 (en) |
| AT (1) | AT299751B (en) |
| BE (1) | BE749260A (en) |
| CH (1) | CH516781A (en) |
| DE (1) | DE2024380A1 (en) |
| FR (1) | FR2047338A5 (en) |
| GB (1) | GB1299407A (en) |
| IE (1) | IE34166B1 (en) |
| NL (1) | NL7006126A (en) |
| NO (1) | NO125702B (en) |
| SE (1) | SE331438B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE367869B (en) * | 1972-10-26 | 1974-06-10 | Foerenade Fabriksverken | |
| US4419934A (en) * | 1980-08-28 | 1983-12-13 | Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag | Safety apparatus for a spinning projectile fuse |
| DE3624713C2 (en) * | 1986-07-22 | 1995-09-07 | Diehl Gmbh & Co | Impact detonator with self-dismantling device for a bomblet |
| IL82066A (en) * | 1987-03-31 | 1992-03-29 | Israel State | Fuse for sub-munition warhead |
| DE3740966A1 (en) * | 1987-12-03 | 1989-06-15 | Diehl Gmbh & Co | PYROTECHNICAL IGNITION FOR BULLETS, ROCKETS, BOMBLETS AND MINES |
| FR2902512B1 (en) * | 2006-06-16 | 2010-02-19 | Tda Armements Sas | SAFETY IGNITER FOR PYROTECHNIC DEVICE |
| CN115265297B (en) * | 2022-08-18 | 2023-10-13 | 南京理工大学 | Fuse single magnetic safety ball movement reversible safety mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005053A (en) * | 1932-07-13 | 1935-06-18 | Rheinische Metallw & Maschf | Fuse for projectiles and particularly for small caliber high explosive projectiles |
| US3078802A (en) * | 1960-05-16 | 1963-02-26 | Graviner Manufacturing Co | Missile fuzes |
| US3313236A (en) * | 1965-05-12 | 1967-04-11 | Honeywell Inc | Multiple function fuzes |
| US3371608A (en) * | 1967-06-01 | 1968-03-05 | Avco Corp | Fuze with delay firing and impact firing features |
-
1969
- 1969-05-19 SE SE07026/69A patent/SE331438B/xx unknown
-
1970
- 1970-04-21 BE BE749260D patent/BE749260A/en unknown
- 1970-04-27 NL NL7006126A patent/NL7006126A/xx unknown
- 1970-04-28 AT AT386370A patent/AT299751B/en not_active IP Right Cessation
- 1970-04-30 GB GB20779/70D patent/GB1299407A/en not_active Expired
- 1970-05-05 FR FR7016431A patent/FR2047338A5/fr not_active Expired
- 1970-05-08 CH CH686470A patent/CH516781A/en not_active IP Right Cessation
- 1970-05-11 US US36170A patent/US3630152A/en not_active Expired - Lifetime
- 1970-05-14 IE IE633/70A patent/IE34166B1/en unknown
- 1970-05-14 NO NO1847/70A patent/NO125702B/no unknown
- 1970-05-19 JP JP45042785A patent/JPS5022840B1/ja active Pending
- 1970-05-19 DE DE19702024380 patent/DE2024380A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE749260A (en) | 1970-10-01 |
| CH516781A (en) | 1971-12-15 |
| IE34166L (en) | 1970-11-19 |
| NL7006126A (en) | 1970-11-23 |
| US3630152A (en) | 1971-12-28 |
| IE34166B1 (en) | 1975-02-19 |
| DE2024380A1 (en) | 1970-11-26 |
| JPS5022840B1 (en) | 1975-08-02 |
| NO125702B (en) | 1972-10-16 |
| SE331438B (en) | 1970-12-21 |
| FR2047338A5 (en) | 1971-03-12 |
| AT299751B (en) | 1972-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |