US2646750A - Grenade fuse - Google Patents

Grenade fuse Download PDF

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Publication number
US2646750A
US2646750A US185030A US18503050A US2646750A US 2646750 A US2646750 A US 2646750A US 185030 A US185030 A US 185030A US 18503050 A US18503050 A US 18503050A US 2646750 A US2646750 A US 2646750A
Authority
US
United States
Prior art keywords
flanges
pin
holes
striker plate
striker
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
US185030A
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English (en)
Inventor
Diels Albert Fernand Marie
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.)
PRB NV
Original Assignee
PRB NV
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 PRB NV filed Critical PRB NV
Application granted granted Critical
Publication of US2646750A publication Critical patent/US2646750A/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
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C14/00—Mechanical fuzes characterised by the ammunition class or type
    • F42C14/02—Mechanical fuzes characterised by the ammunition class or type for hand grenades

Definitions

  • My present invention relates to a detonator assembly for grenades and other similar devices comprising a striker plate.
  • Detonator assemblies of this kind at present in use present the disadvantage that they provide no guarantee of safety in the case when the body of the detonator assembly is broken.
  • This disadvantage arises mainly from the fact that the apertures for the passage of the safety pin or bolt provided in the cheeks or flanges of the body of the detonator assembly are located more or less in the immediate vicinity of the edges of these cheeks or flanges.
  • the object of the present invention is to obviate this defect and also to permit the possibility of using material such as Bakelite for the manufacture of the body of the assembly and consequently to diminish the cost of manufacture, to decrease the weight, and to permit the assembly to be reduced to powder in the case when it is applied to an offensive weapon.
  • the detonator assembly according to the invention is characterised by the feature that the rotatable striker plate is provided with means which prevent its rotation and subsequent percussion in the case when the body of the assembly is broken.
  • this plate comprises one or more folds, flanges, vanes, ribs, or brackets in which are provided apertures for the passage of the safety pin or'bolt which thus traverses not only the checks or flanges of the body of the assembly, but'also these folds, flanges, vanes, ribs-or brackets, etc., in
  • Figure 2 is a perspective view showing the striker plate and a part of the assembly before percussion.
  • Figure 3 is a perspective view showing the body of the detonator assembly and the striker plate after percussion.
  • reference numeral l denotes the body of the detonator assembly
  • 2 is the striker lever
  • 3 is the spindle for. rotation of the striker plate 4 and is under the action of a spring 5 which is wound around the spindle 3.
  • Reference numeral 6 denotes the percussion cap, I the fuse, 8 the casing nut, 9 the detonator proper and ID the casing proper.
  • the striker plate 4 is provided with vanes H which are pierced by holes I2 through which in the locked or safety position passes the safety pin [3 which also passes through holes I4 pierced in the cheeks or flanges of the body I.
  • the pin l3 forms in known manner a buckle or loop 15 around a ring it and is extended by a rectilinear limb ll substantially parallel to' the pin l3 and bent over so as to form a hook l8 engaging under the end of the pin I3.
  • the pin I3 can thus be withdrawn by a twist imparted to the ring l6.
  • the principle of the invention consists in the feature that in the locked position ( Figure 2) the pin l3 traverses the flanges of the body of the detonator assembly by means of the holes I4 and also passes through one or more elements forming a part of the striker plate thus considerably increasing the degree of safety since when the body of the detonator assembly becomes broken there is no danger of percussion, this being prevented by the pin [3.
  • the holes M are provided in the cheeks or flanges of the body of the'detonator assembly at a location such that they are substantially removed from the edges of said cheeks or flanges, thereby eliminating the well known danger that the .pin l3 might be removed by being pulled off in the pouch of the soldier. This danger exists in known devices due to the fact that these holes are located near the edges of the checks or flanges.
  • the holes I are provided in the cheeks or flanges of the body at a location lower than the spindle 3 and at a position which is offset in the direction of the casing [0.
  • vanes II with which the striker plate is provided may be replaced by a single vane and that the invention includes any form of striker plate which permits the plate to be traversed by the pin i3 and to be '5 held in the locked position even if the body of the detonator assembly is broken.
  • An advantage of the invention is that due to the higher degree of safety provided by the construction, the body of the detonator assembly may be made of a plastic material thus reducing the cost of manufacture.
  • a grenade fuse in combination, a body containing an explosive charge, mutually parallel integral flanges forming a portion of said body and having therein oppos ing ly located holes, a short shaft rotatably supported by and between said flanges, a striker plate. rotatably mounted on said short shaft, a spring wound under tension around said shaft so as t cause said striker plate to rotate, at least one vane provided on said striker plate and pierced by one hole, said vane extending in a plane perpendicular.
  • a safety pin having a p r on pa sin hro i hole aid wil p te wine a d thr u h said ppo in h of said body flanges, a finger ring, said safety pin forming.
  • a body containing an explosive charge in combination, a body containing an explosive charge, mutually parallel nt a fla es io r i x s QEQi I Said bod-Y and having, the ei op osingly located holes, a short shaft rotatably supported by and between d n e s r ko ate r ia 'aio y mount d on said shor ham a spr s ro nd ll n: sion around said shaft so as to cause said striker plate. to rotata.
  • n r, ng ai safety pin form n a oo u d a eriphera porti n of: said; ring a o i i 'ear mm, forming ne side. oi eing i st illiz a a s to. the first-de scribed portion ofsad safety pin, so a to. o p wis an oxtons th on. sa d. im being b int overlat the free extren 'ty.
  • said holes opposingly located in said body flanges being situated at respective distances from all free edges of said body flanges, of the same order of magnitude as the distance between said body flanges, whereby to minimize the possibility of accidental and unintentional wrenching away of said safety pin.
  • a. grenade fuse in combination, a body containing an explosivie charge, mutually par- 1. 1 integr fl n es o m a P r i i-sa body and having therein opposingly locatednoles, a short shaft rotatably supported by and between sa a s, a strik r pla s rotatabl m in Said Short h f a spring wo nd was $1011 around said shaft so as to cause saidsltrik er pla t o t wo subs ant all parallel vanes i r e nte a y withsaid str ker lat -a id o lying n p an s p rpendicular to.
  • posin hol s isai bod ansssi.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Lowering Means (AREA)
US185030A 1950-07-28 1950-09-15 Grenade fuse Expired - Lifetime US2646750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU2646750X 1950-07-28

Publications (1)

Publication Number Publication Date
US2646750A true US2646750A (en) 1953-07-28

Family

ID=19735100

Family Applications (1)

Application Number Title Priority Date Filing Date
US185030A Expired - Lifetime US2646750A (en) 1950-07-28 1950-09-15 Grenade fuse

Country Status (3)

Country Link
US (1) US2646750A (is")
BE (1) BE503965A (is")
LU (1) LU30237A1 (is")

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911913A (en) * 1956-11-28 1959-11-10 Sunden Karl Henrik Firing pin mechanism for hand grenades
US2941471A (en) * 1956-11-29 1960-06-21 Sunden Karl Heurik Frame for the firing pin mechanism in hand grenades
US3603257A (en) * 1968-11-27 1971-09-07 Us Army Fuze safety mechanism
EP0301455A3 (en) * 1987-07-27 1990-02-28 Alliant Techsystems Inc. Safety clip for ammunition
WO2001065200A3 (en) * 2000-02-28 2001-12-27 Kenneth R Murray Cartridge format delay igniter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1203058A (en) * 1915-11-01 1916-10-31 Royal L Scoville Projectile.
US1307684A (en) * 1919-06-24 leblanc
US2412636A (en) * 1943-02-18 1946-12-17 Short Frank Grenade fuse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1307684A (en) * 1919-06-24 leblanc
US1203058A (en) * 1915-11-01 1916-10-31 Royal L Scoville Projectile.
US2412636A (en) * 1943-02-18 1946-12-17 Short Frank Grenade fuse

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2911913A (en) * 1956-11-28 1959-11-10 Sunden Karl Henrik Firing pin mechanism for hand grenades
US2941471A (en) * 1956-11-29 1960-06-21 Sunden Karl Heurik Frame for the firing pin mechanism in hand grenades
US3603257A (en) * 1968-11-27 1971-09-07 Us Army Fuze safety mechanism
EP0301455A3 (en) * 1987-07-27 1990-02-28 Alliant Techsystems Inc. Safety clip for ammunition
WO2001065200A3 (en) * 2000-02-28 2001-12-27 Kenneth R Murray Cartridge format delay igniter
US6470806B1 (en) 2000-02-28 2002-10-29 Kenneth R. Murray Cartridge format delay igniter

Also Published As

Publication number Publication date
LU30237A1 (is")
BE503965A (is")

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