GB772918A - Improvements in or relating to impact fuzes with mechanical retardation - Google Patents

Improvements in or relating to impact fuzes with mechanical retardation

Info

Publication number
GB772918A
GB772918A GB22740/55A GB2274055A GB772918A GB 772918 A GB772918 A GB 772918A GB 22740/55 A GB22740/55 A GB 22740/55A GB 2274055 A GB2274055 A GB 2274055A GB 772918 A GB772918 A GB 772918A
Authority
GB
United Kingdom
Prior art keywords
striker
rod
moves
shoulder
relay
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
GB22740/55A
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.)
Mefina SA
Original Assignee
Mefina SA
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 Mefina SA filed Critical Mefina SA
Publication of GB772918A publication Critical patent/GB772918A/en
Expired legal-status Critical Current

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
    • F42C15/188—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 rotatable carrier
    • 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
    • F42C1/02—Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze
    • F42C1/08—Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze with delayed action after ignition of fuze or after impact
    • 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
    • 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
    • F42C9/141—Impact fuze in combination with a clockwork time fuze
    • 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
    • F42C9/16—Double fuzes; Multiple fuzes for self-destruction of ammunition
    • F42C9/18—Double fuzes; Multiple fuzes for self-destruction of ammunition when the spin rate falls below a predetermined limit, e.g. a spring force being stronger than the locking action of a centrifugally-operated lock

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Toys (AREA)

Abstract

772,918. Projectile fuzes. MEFINA SOC. ANON. Aug. 8, 1955 [Nov. 5, 1954], No. 22740/55. Class 9 (1). Impact operated fuze provided with a self - destruction device and adapted to function with a short delay houses in the body C a detonator charge 1 initiated through a relay 2 by a percussion cap 3 lodged in a pivoted member 4. The member 4 pivoted eccentrically has a toothed portion gearing with a pinion 4c forming part of a release mechanism 4d, whereby the cap 3 is held out of alignment with the striker 5 and relay 2 until the projectile has been fired. The spring-stressed striker has a shoulder 5a with a conical surface bearing against the rounded end of a bolt 7 which is thrust outwardly by a stop 8b at the end of a slidable rod 8. On the rod is a shoulder 8a engaged by the selfdestruction device. This device comprises balls 11 within an axially movable body 10 stressed by a spring 12 and locked by members 9. After firing a projectile equipped with the fuze, when acceleration ceases, the members 9 locking the rod 8 moves outwards under centrifugal force, releasing the shoulder 8a, whereby on impact a pusher 13 moves the rod inwards so that the bolt 7 moves to free the striker which then moves towards the relay. Meantime, the member 4 has moved due to centrifugal force until the cap 3 is opposite the striker.
GB22740/55A 1954-11-05 1955-08-08 Improvements in or relating to impact fuzes with mechanical retardation Expired GB772918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH772918X 1954-11-05

Publications (1)

Publication Number Publication Date
GB772918A true GB772918A (en) 1957-04-17

Family

ID=4535558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22740/55A Expired GB772918A (en) 1954-11-05 1955-08-08 Improvements in or relating to impact fuzes with mechanical retardation

Country Status (5)

Country Link
US (1) US2825284A (en)
BE (1) BE539348A (en)
CH (1) CH318216A (en)
FR (1) FR1126738A (en)
GB (1) GB772918A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135206A (en) * 1956-09-21 1964-06-02 Bofors Ab Fuze for projectiles
NL101335C (en) * 1957-02-26
BE565799A (en) * 1957-03-28
US3075465A (en) * 1957-07-23 1963-01-29 Magnavox Co Centrifugal fuze
NL233649A (en) * 1958-07-25
US3118379A (en) * 1960-11-23 1964-01-21 Fuze for a gyratory projectile
DE1202181B (en) * 1963-05-31 1965-09-30 Junghans Geb Ag Transport safety device for clockwork timer for twistless projectiles
DE1218311B (en) * 1963-08-01 1966-06-02 Junghans Geb Ag Twist bullet fuse for practice bullets
DE1208222B (en) * 1963-12-14 1965-12-30 Salgad Ets Impact fuse for projectiles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH106801A (en) * 1924-03-13 1924-09-16 Junghans S A Arturo Mechanical time fuse.
US2149469A (en) * 1935-08-27 1939-03-07 Edgar Brandt Timing and release mechanism for mechanical time fuses
US2701527A (en) * 1948-07-06 1955-02-08 Louis P Granath Selective delayed-action fuze
NL101169C (en) * 1951-04-13

Also Published As

Publication number Publication date
FR1126738A (en) 1956-11-29
BE539348A (en)
US2825284A (en) 1958-03-04
CH318216A (en) 1956-12-31

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