US1781556A - Percussion fuse for artillery and aircrft projectiles - Google Patents

Percussion fuse for artillery and aircrft projectiles Download PDF

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Publication number
US1781556A
US1781556A US428189A US42818930A US1781556A US 1781556 A US1781556 A US 1781556A US 428189 A US428189 A US 428189A US 42818930 A US42818930 A US 42818930A US 1781556 A US1781556 A US 1781556A
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US
United States
Prior art keywords
fuse
carriage
striker
cap
percussion
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
US428189A
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English (en)
Inventor
Remondy Leon Emile
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Individual
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Individual
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Filing date
Publication date
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Publication of US1781556A publication Critical patent/US1781556A/en
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Classifications

    • 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

Definitions

  • a rigid striker has described forms of construction of a having a Wide or large diameter head forinsupersensitive fuse in which the height of lng the front element of the mechanism, bears the carriage and of its contents are reduced by means of this head on acorrespoiidiiig considerably on account of a particular mode flge O11 the carriage casing, which is of construction of the carriage casing and crimped, hooked or fixed oiil the said striker 10 of the fixed member of the firing mechanism.
  • the striker which is the front mem inoss, etc. to be caused which settling causes ber formed by a stamping, receives the direet the carriage to be driven in more strongly for ⁇ action of the air duringthe flight of the ODBIutlng thefuse'.
  • the invention finally provides 11i one of the compressible sleeve on Whieh the etti-mage its forms of construction, a particular shape presses and placing the members of the firing for the Washer which is provided with tenons ueeiienigm in e relatively ianaeetive position and is placed on the percussion cap, the new Withiv the risk of producing misres when an Washer permitting the length and the Weight ce obstacle is struck. Moreover the formation 0f the- Stlllel SXHSIII to be reduced.
  • the striking system oi. the fuse is formed in accordance with the principlewhich the applicant has made known, by a movable carriage comprising a casing A; carrying a striker B fixed in the latter, the percussion cap C movable 'in the casing body, a spacinF ring l) between the two elements of the ring mechanism and bearing at one end on the head of the striker and at the other end on a washer E provided with lugs e guided on the casing bodyvA by ⁇ slots tu By means of these lugs e the carriage body bears when at rest on a shoulder G1 on the fuse body.
  • the fuse comprises also vin accordance with the principle which the ap.- plicant has made known in specification No. 1,562,054, which is a patentrotl addition toY speciiication No. 1,459,075, a sleeve F of a suitable compressible and elastic material such as cork, felt, etc
  • the wide headed striker B is made rigid by construction, and bears .by the shoulder b, of this head upon a corresponding iiange al on the carriage casing.
  • the headl of the striker and the flange on the carriage upon which it bears may be made rigid with each other by crimping, as shown in the drawing, by hooking or by any other suitable method of attachment.
  • space m is provided between the front 'face ot the carriage Vand the mouth G2 of the fuse body e G, and this mouth is closed by a cap or a diaphragm.
  • the mouth is closed by a cap H which prevents the direct action of the air on the striking system while being weak enough to fracture upon impactr against an obstacle even one oflering little resistance.
  • the function ofthe cap H is erformed by 'a diaphragm l mounted at a suitable distance-Q0 from the front face or edge of the carriage A; Thisldiaphragm may be employed alone or in kcombination with a removable cap J. ⁇
  • the cap J mayas desired be removed at the momentotiring, or left on the projectile ac" cording-to the uses envisaged.
  • rlfhus thelcap may if desired be preserved in normal iield artillery Firing; ltwill beremoved Jfor firing upon aircraft and for firing with very low residual speeds.,k f
  • the lugs press upon the shoulder G1 provided on the fuse body by means of feet e1.
  • the lugs thus takev support at a distance from the body of the ring e corresponding to the whole height of the body of the lugs e. This permits the whole height of the ⁇ carriage casingAto be shortened Vby the whole height or thelug'e. Consequently the weight and space occupied bythe whole of the mechanisin are reduced.
  • the i'eet el instead of taking support at any point on the shoulder G1 may be engaged lio injnotches jc/.l in this shoulder, the engage Y ment of the feet g1 being obtained net join-t provided in thefshoulder
  • the fuse described, ⁇ mounted at a suitable distance from a cap H or a diaphragm I, may'A naturally be combined with a varyingnumber of caps o r diaphragms arrangedr in stages or suit-ably superposed at a distance fromv each 'otherfand in this way, according bg a bayo-
  • the caps or diaphragme may be employed Vat the same time if desired, to make the device ,fluid tight, but they must be designed in such a way as to provide vin addition the three new functions set forth above, which consist in providing an additional safety element, a screen against the action of the air, and a member for obtaining a preliminary compression of the obstacle.
  • the caps or covers should preferably be constructed of a material of low density.
  • This member may be formed by a conical, cylindrical or other shaped element secured in the fuse body, made of aI deformable plastic or elastic material such as a soft metal (aluminium, lead, copper not cold hardened, etc.) or of any other material (fibre, cork, felt, etc).
  • aI deformable plastic or elastic material such as a soft metal (aluminium, lead, copper not cold hardened, etc.) or of any other material (fibre, cork, felt, etc).
  • Figure 7 shows by way of eXample a member K for resiliently supporting the percussion cap, this member being made of a soft material and fitted in the fuse body in combination with the fuse.
  • a supersensitive percussion fuse comprising a movable carriage (A) containing the elements of the firing mechanism (striker B and percussion cap C) with a spacing member (spring D) interposed between these members one of which, the front element (B) is virtually integral with the casing (A) of the carriage, which casing is pierced with apertures (a) through which the latter is guided on the lugs of a washer (E) bearing under the action of the spacing spring (D) on a shoulder (G1) on the fuse body (G), the fuse being characterized by the feature that the rigid striker forming the front element of the mechanism comprises a wide head b) bearing on a corresponding iiange (a1) on the .casing of the carriage, which flange is crimped, hooked or secured on the said head, the carriage bearing by means of the head of the striker covered or lined by the flange on the carriage on a sleeve F made of a compressible material (cork, felt or other suitable material having a very
  • the Vmouth being however closed by a cap (H) or a diaphragm (I) of small mass preventing the'l direct action of the air upon the said percussion system, while being sufficiently Weak to be capable of breaking upon impact against an obstacle even against one offering little resistance, the said cap also permitting a preliminary settling of loose materials such as grass, leaves or humus, to be obtained upon impact with a view to driving the carriage in more strongly in order to operate the fuse.
  • a diaphragm (I) characterized by the feature that the latter is covered by one or more removable caps forming additional safety devices particularly during handling and transport.
  • Fuse as claimed in claim l comprising a shock absorber for the percussion cap formed by a separate element made of a plas- 1 tic or elastic material.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Dampers (AREA)
  • Percussive Tools And Related Accessories (AREA)
US428189A 1929-04-29 1930-02-13 Percussion fuse for artillery and aircrft projectiles Expired - Lifetime US1781556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR689950T 1929-04-29

Publications (1)

Publication Number Publication Date
US1781556A true US1781556A (en) 1930-11-11

Family

ID=9027588

Family Applications (1)

Application Number Title Priority Date Filing Date
US428189A Expired - Lifetime US1781556A (en) 1929-04-29 1930-02-13 Percussion fuse for artillery and aircrft projectiles

Country Status (6)

Country Link
US (1) US1781556A (enrdf_load_stackoverflow)
BE (1) BE367014A (enrdf_load_stackoverflow)
CH (1) CH148161A (enrdf_load_stackoverflow)
FR (1) FR689950A (enrdf_load_stackoverflow)
GB (1) GB340810A (enrdf_load_stackoverflow)
NL (1) NL27656C (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449540A (en) * 1942-06-09 1948-09-21 Albin Joseph Aircraft flare
US3408936A (en) * 1967-06-20 1968-11-05 Howell M. Sumrall All-attitude fuze
US3807307A (en) * 1973-07-05 1974-04-30 Us Army Projectile
US4237788A (en) * 1978-12-18 1980-12-09 Ares, Inc. Explosive fuse for ballistic projectile
EP3136043A1 (fr) 2015-08-27 2017-03-01 Nexter Munitions Fusée d'ogive à percuteur

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449540A (en) * 1942-06-09 1948-09-21 Albin Joseph Aircraft flare
US3408936A (en) * 1967-06-20 1968-11-05 Howell M. Sumrall All-attitude fuze
US3807307A (en) * 1973-07-05 1974-04-30 Us Army Projectile
US4237788A (en) * 1978-12-18 1980-12-09 Ares, Inc. Explosive fuse for ballistic projectile
EP3136043A1 (fr) 2015-08-27 2017-03-01 Nexter Munitions Fusée d'ogive à percuteur
FR3040482A1 (fr) * 2015-08-27 2017-03-03 Nexter Munitions Fusee d'ogive a percuteur

Also Published As

Publication number Publication date
NL27656C (enrdf_load_stackoverflow)
CH148161A (fr) 1931-07-15
GB340810A (en) 1931-01-08
BE367014A (enrdf_load_stackoverflow)
FR689950A (fr) 1930-09-12

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