US2960036A - Hollow-charge warheads of projectiles - Google Patents

Hollow-charge warheads of projectiles Download PDF

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Publication number
US2960036A
US2960036A US795383A US79538359A US2960036A US 2960036 A US2960036 A US 2960036A US 795383 A US795383 A US 795383A US 79538359 A US79538359 A US 79538359A US 2960036 A US2960036 A US 2960036A
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US
United States
Prior art keywords
probe
casing
collar
hollow
projectiles
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
US795383A
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English (en)
Inventor
Thomas I Curl
Michael J F Ambrose
Allen E Burch
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.)
Vickers Armstrongs Aircraft Ltd
Original Assignee
Vickers Armstrongs Aircraft Ltd
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 Vickers Armstrongs Aircraft Ltd filed Critical Vickers Armstrongs Aircraft Ltd
Application granted granted Critical
Publication of US2960036A publication Critical patent/US2960036A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F42B12/105—Protruding target distance or stand-off members therefor, e.g. slidably mounted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C1/00—Impact fuzes, i.e. fuzes actuated only by ammunition impact
    • F42C1/14—Impact fuzes, i.e. fuzes actuated only by ammunition impact operating at a predetermined distance from ground or target by means of a protruding member

Definitions

  • the invention has reference to the warheads of hollowchar-ge projectiles, more particularly projectiles which are adapted to be detonated by an impact fuze contained in the nose. It is known to be desirable, in order to ensure the maximum effect of the explosion of the hollow charge, that detonation should occur when the internal apex of the charge is located at a predetermined off-set distance from the surface of the target, but the consequent necessity for mounting the impact fuze upon a probe or forward extension of the projectile entails such an increase in the dimensions of the latter as to require an unduly unwieldy container for its stowage.
  • the present invention proposes that the percussion contact of the impact fuze of a hollow-charge projectile shall be mounted upon the extremity of a forward extension member or probe which is itself capable of retraction within the casing of the projectile when the latter is stowed, resilient means being provided for urging the said member forwardly into the operative position, and further means being provided for locking said member in said operative position except when retraction is required.
  • Fig. l is a perspective view of the apparatus incorporating the invention and Fig. 3 is an elevation of the rear end of the locking mechanism.
  • Fig. 2 is a longitudinal section of the apparatus but shows an alternative locking mechanism and
  • Fig. 4 is a section on the line IV-IV of Fig. 2.
  • the forward part of the cylindrical body of the projectile takes the form of a frustoconical casing 11 which is apertured axially at 111 so as to form a guide for a slidably mounted tubular extension member or probe 12.
  • the forward extremity of said probe 12 terminates in inner and outer percussion contacts respectively marked '13 and 14 which are connected by suitable electrical conductors with the fuze, detonator or igniter of the charge contained in the body 10.
  • the forward end of the probe 12 may also carry a stout protector cap (not shown) to shield the percussion contacts against shocks or damage when the weapon is being handled.
  • the arrangement is such that although the tubular probe 12, together with said percussion contact, is normally locked in the operative position, it is capable of being retracted slidably within the casing 11 until it is substantially entirely housed within the latter.
  • a helical spring 15, wound about the barrel of the probe 12 is compressed between a coller 16 on the latter and a recessed abutment 112 in the nose of the casing, so that it is energized when the probe is retracted and then tends to urge the probe outwardly into the operative position.
  • the forward travel of the probe is limited by a flange 17 on its rear end which abuts against the inside iteci States Patent 0 2,969,035 Patented Nov. 15, 1960 surface of the casing adjacent the aperture 111 in the fully extended position.
  • the probe 12 is prevented from rotating by the engagement of a pin 18 in the casing with a longitudinal slot 19 in the probe 12.
  • the flange 17 on the probe is recessed at 171, 171 etc. to form splines which are adapted to cooperate with a conformably shaped central hole 20 in a collar 21 which is mounted in the casing 11 and is to the rear of the flange 17 when the flange 17 is in the operative position.
  • the collar 21 is capable of rotation and is ordinarily held by a tension spring 22 as shown in Figs. 1 and 3, or by a torsion spring 211 as shown in Fig. 2, so that the splines on the probe flange 17 are out of registration with those of the collar 21, and retractile movement of the probe 12 into the casing 11 is thereby prevented.
  • the collar 21 In order to position the probe 12 in the casing 11 for stowage, the collar 21 is rotated by a lever 23 which protrudes through a slot 24 in the outer casing 11, so that the collar 21 is brought into registration with the probe flange 17, when the probe 12 may be pushed rearwardly against the aforesaid helical spring 15.
  • the splined flange 17 on the probe 12 has passed through the collar 21, the latter is prevented from rotating and reverting to the obstructing position under the influence of said tension spring 22 or the torsion spring 221 by the engagement of a pin 25 in the collar 21 with the abovementioned slot 19 in the probe.
  • the projectile may be stowed in a container which is made sufliciently long to accommodate it when the probe 12 is fully retracted, the pressure of the spring 15 ensuring that as soon as the end of the container is removed the probe 12 will immediately assume the operative position automatically.
  • means may be provided for positively retaining the probe in the retracted condition.
  • the collar 21 is also provided with slots 213, 213, through which pass bolts 214, 214 which are screwed into the casing 11. Said slots 213 arranged to permit the required rotation of the collar 21 but they prevent any axial displacement of the latter.
  • the collar 21 is alternatively provided with male splines 212 which, when the collar is turned into a given position, will register with recesses 26, in an inwardly turned rim 27 which forms an integral part of the casing 11. This arrangement permits the easy insertion of the collar 21 behind said rim 27 and provides means for holding the collar against axial displacement therein.
  • the ability to effect a complete retraction of the probe into the casing is of considerable advantage in that it permits the use of a shorter and more easily portable container, while it affords protection for the percussion contact and other parts of the probe when the weapon is transported without the container.
  • a hollow-charge projectile warhead including a hollow nose casing terminating in .a slidable mounting for an extension member
  • the improvement comprising, a substantially cylindrical extension member having an impact fuze percussion contact and including an outwardly extending flange portion at its inner end, said member being axially slidable between an extended position outside said casing wherein said flange portion abuts against a portion of said casing to a retracted position within said casing, a collar rotatably mounted in said nose casing, said collar and said flange portion including complementary outstanding and recessed portions arranged to permit passage of said flange portion through said collar when said complementary portions are aligned, and means to bias said extension member to a fully extended position with the flange portion abutting against a portion of said casing and with the major portion of said extension member extending outside said casing.
  • a warhead as claimed in claim 1 including means effective, when said extension member is in the retracted condition, for holding said rotatable collar in position to permit the outward movement of said member to the operative position.
  • extension member is longitudinally slotted and including a pin in said casing extending into said slot, whereby said rotatable collar is locked angularly to saidextension member.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Golf Clubs (AREA)
  • Toys (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
US795383A 1958-03-10 1959-02-25 Hollow-charge warheads of projectiles Expired - Lifetime US2960036A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7690/58A GB851460A (en) 1958-03-10 1958-03-10 Improvements relating to the hollow-charge warheads of projectiles

Publications (1)

Publication Number Publication Date
US2960036A true US2960036A (en) 1960-11-15

Family

ID=9837932

Family Applications (1)

Application Number Title Priority Date Filing Date
US795383A Expired - Lifetime US2960036A (en) 1958-03-10 1959-02-25 Hollow-charge warheads of projectiles

Country Status (5)

Country Link
US (1) US2960036A (ru)
ES (1) ES247540A1 (ru)
FR (1) FR1218767A (ru)
GB (1) GB851460A (ru)
NL (2) NL104213C (ru)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707912A (en) * 1971-08-20 1973-01-02 Us Navy Mechanical fuze with self-destruct mechanism
US3742854A (en) * 1965-05-26 1973-07-03 Us Navy Fuze
US4181079A (en) * 1976-10-08 1980-01-01 Messerschmitt-Bolkow-Blohm Gmbh Hollow charge ammunition construction
US4201135A (en) * 1977-03-11 1980-05-06 Messerschmitt-Bolkow-Blohm Gmbh Hollow charge construction and range spacer therefor
US5267912A (en) * 1990-07-25 1993-12-07 Casanova Juan G Automatic mechanical transmission for general purposes
WO2008089078A3 (en) * 2007-01-12 2008-10-16 Raytheon Co Methods and apparatus for weapon fuze

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555729A1 (fr) * 1976-01-21 1985-05-31 France Etat Armement Projectile a charge formee
FR2539505B1 (fr) * 1983-01-14 1987-07-17 Luchaire Sa Ogive perfectionnee pour projectile
FR2568366B1 (fr) * 1984-07-26 1987-10-23 Serat Ogive telescopique deployable pour engins, projectiles, bombes ou missiles
SE451094B (sv) * 1985-12-16 1987-08-31 Ffv Affersverket Lasanordning for ett rorligt distansorgan hos en projektil
SE460228B (sv) * 1985-12-16 1989-09-18 Affarsverket Ffv Laasanordning foer ett roerligt distansorgan

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412695A (en) * 1942-01-07 1946-12-17 Rost Helge Fabian Projectile
US2737888A (en) * 1952-01-25 1956-03-13 Energa Projectile equipped with a safety device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2412695A (en) * 1942-01-07 1946-12-17 Rost Helge Fabian Projectile
US2737888A (en) * 1952-01-25 1956-03-13 Energa Projectile equipped with a safety device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742854A (en) * 1965-05-26 1973-07-03 Us Navy Fuze
US3707912A (en) * 1971-08-20 1973-01-02 Us Navy Mechanical fuze with self-destruct mechanism
US4181079A (en) * 1976-10-08 1980-01-01 Messerschmitt-Bolkow-Blohm Gmbh Hollow charge ammunition construction
US4201135A (en) * 1977-03-11 1980-05-06 Messerschmitt-Bolkow-Blohm Gmbh Hollow charge construction and range spacer therefor
US5267912A (en) * 1990-07-25 1993-12-07 Casanova Juan G Automatic mechanical transmission for general purposes
WO2008089078A3 (en) * 2007-01-12 2008-10-16 Raytheon Co Methods and apparatus for weapon fuze
US7971533B1 (en) 2007-01-12 2011-07-05 Raytheon Company Methods and apparatus for weapon fuze

Also Published As

Publication number Publication date
ES247540A1 (es) 1959-09-01
FR1218767A (fr) 1960-05-12
GB851460A (en) 1960-10-19
NL104213C (ru)
NL236705A (ru)

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