US1440191A - Percussion fuse - Google Patents

Percussion fuse Download PDF

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Publication number
US1440191A
US1440191A US426802A US42680220A US1440191A US 1440191 A US1440191 A US 1440191A US 426802 A US426802 A US 426802A US 42680220 A US42680220 A US 42680220A US 1440191 A US1440191 A US 1440191A
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United States
Prior art keywords
primer
shell
detonator
spring
locking
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
US426802A
Inventor
Wennerstrom Ernst Joha Torsten
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.)
Saab Bofors AB
Original Assignee
Bofors AB
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 Bofors AB filed Critical Bofors AB
Priority to US426802A priority Critical patent/US1440191A/en
Application granted granted Critical
Publication of US1440191A publication Critical patent/US1440191A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

Definitions

  • the present invention has [or its object an improvement in such by which the primer and the eetonator shell, prior to the discharge of the gun, are so disposed with relation to each other that explosion cannot talze place and by which at, or after the discharge of the gun, the primer or detonator 15 shell is removed by means or spring ⁇ in such a manner that the primer will rest within the detonator shell, the invention being characterized by one or more locking' devices arranged in such a manner that inde- ⁇ pendently of the spring they will loclr the primer or the detonator shell in the new position in which said primer or detonator siell has been brought by the spring at or after the discharge of the gun. ln the accompanyingdrawing, forming part or this specii'ication,
  • Figure l is a vertical section taken approximately on the line l l of Fig. 3, the primer being' shown in its original position;
  • Fig. 2 illustrates the fuse with the primerl in a locled position within the detonator shell
  • Fig. 3 is a transverse section taken on the line lll-lll ot Fig. l.
  • l is the tube body, 2 the detonator shell, 3 the primer, il the armament shell which is comiocted with the primer and 5 a propelling spring which forces the primer into the detonator shell atter the armament shell e has been disengaged from the ltwlrinc, ⁇ balls 6 in the well lmown manner.
  • one or more locking devices which in the preferred embodiment shown in the drawings, consist of balls 8 arranged in cavities in the guidebody 9 for the hammer 7 in such a manner that they lock the hammer to the guide-body,
  • a fuse having ⁇ a primer and a detonator sh ll adapted to initially occupy a safety position relatively to each other, a tube enclosing said members, a spring 'for changing the relative position ot said primer and detonator shell so that the primer is located within the detonator shell, the coinbination of a locking; device' for lockingthe primer independent ot the spring in the second position, said locking' device, before the discharge of the gun, being used Jfor locking' the hammer.
  • a fuse having a primer and a detonator shell adapted to initially occupy Aa ⁇ safety position relatively to each other, a tube enclosing ⁇ said members, a spring' for changing the relative position ot said primer and detonator shell so that the primer is located within the detonator shell, the combination of a locking' device for firmly locking' 'the primer and detonator shell independent of the spring ⁇ in the position last mentioned, said locking device consisting of a plurality of balls.

Description

2 shunts-SHEET l a ,Lg 2,
Dec. 26, 1922.
E. J. T. WENNERSTROM. PERcussnoN Fuse. Fuso Nov. 27. 1920.
a iig; l,
WM /l TTS( 5MM 5y Win z, ma 1,440,191
e. .1.y T. wENNsRsTRM.
PERcussloN Fuss. Fuso Nov. 27. 1920.
2 smears-sneer 2 ZA/M447@ Q7. WWW
5, i W7@ WMM@ WM* Patented Dec. Z5, i922.
lJNlPED rarer ries.
ERNST JOHAN TORSTEN WENNEBSTRIV, OF IBOFORS, SWEDEN, ASSIGNOR TO AKTIE- BOLAGET BOFOBS, OF BOFORS, SWEDEN.
rnnoussron FUSE. y
Application filed November 27, 1920.
To all w 7mm z5 may concerny Be it lrnown that l, ERNST JOHAN TonsTLsN lllnNNnRs'rnM, a subject ont the King of Sweden, residing, at Bot'ors, Sweden, have 5 invented new and usefulimprovements in Percussion F uses, of which the following is a specification.
The present invention has [or its object an improvement in such by which the primer and the eetonator shell, prior to the discharge of the gun, are so disposed with relation to each other that explosion cannot talze place and by which at, or after the discharge of the gun, the primer or detonator 15 shell is removed by means or spring` in such a manner that the primer will rest within the detonator shell, the invention being characterized by one or more locking' devices arranged in such a manner that inde- `pendently of the spring they will loclr the primer or the detonator shell in the new position in which said primer or detonator siell has been brought by the spring at or after the discharge of the gun. ln the accompanyingdrawing, forming part or this specii'ication,
Figure l is a vertical section taken approximately on the line l l of Fig. 3, the primer being' shown in its original position;
Fig. 2 illustrates the fuse with the primerl in a locled position within the detonator shell; and
Fig. 3 is a transverse section taken on the line lll-lll ot Fig. l.
Referring to these drawings, l is the tube body, 2 the detonator shell, 3 the primer, il the armament shell which is comiocted with the primer and 5 a propelling spring which forces the primer into the detonator shell atter the armament shell e has been disengaged from the ltwlrinc,` balls 6 in the well lmown manner.
According` to the invention one or more locking devices, which in the preferred embodiment shown in the drawings, consist of balls 8 arranged in cavities in the guidebody 9 for the hammer 7 in such a manner that they lock the hammer to the guide-body,
Serial No. 226,802.
until the armament shell er after the dis charge of the gun has been pushed beyond the locking devices, when these latter', through centrifugal force, are thrown out of the cavities and release the hammer but loclr the armament` shell, preventing this from returning` to its original position.
Having' now particularly described the nature of my invention and 'the manner ot its operation, what l claim is l. In a fuse having` a primer and a detonator shell adapted to initially occupy a safety position relatively to each other, a tube enclosing),` said members, a spring for changing the rela-tive position of said primer and detonator shell so that the primer is locatedwithin 'the detonator shell, the combination of a locking device for firmly locling the primer and detonator shell independent oif the spring in the position last mentioned..
2. In a fuse having` a primer and a detonator sh ll adapted to initially occupy a safety position relatively to each other, a tube enclosing said members, a spring 'for changing the relative position ot said primer and detonator shell so that the primer is located within the detonator shell, the coinbination of a locking; device' for lockingthe primer independent ot the spring in the second position, said locking' device, before the discharge of the gun, being used Jfor locking' the hammer.
3. In a fuse having a primer and a detonator shell adapted to initially occupy Aa` safety position relatively to each other, a tube enclosing` said members, a spring' for changing the relative position ot said primer and detonator shell so that the primer is located within the detonator shell, the combination of a locking' device for firmly locking' 'the primer and detonator shell independent of the spring` in the position last mentioned, said locking device consisting of a plurality of balls.
In testimony whereof l have signed my name to this specification.
ERNST JOHAN TORSTEN WENNERSTRM.
US426802A 1920-11-27 1920-11-27 Percussion fuse Expired - Lifetime US1440191A (en)

Priority Applications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465395A (en) * 1938-05-11 1949-03-29 George M O'rear Long and short delay fuse
US2480149A (en) * 1945-05-22 1949-08-30 Lyle K Liljegren Base detonating fuse
US4020766A (en) * 1974-11-20 1977-05-03 Sarmac S.A. Explosive projectile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465395A (en) * 1938-05-11 1949-03-29 George M O'rear Long and short delay fuse
US2480149A (en) * 1945-05-22 1949-08-30 Lyle K Liljegren Base detonating fuse
US4020766A (en) * 1974-11-20 1977-05-03 Sarmac S.A. Explosive projectile

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