US763229A - Shell-fuse. - Google Patents

Shell-fuse. Download PDF

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Publication number
US763229A
US763229A US16676103A US1903166761A US763229A US 763229 A US763229 A US 763229A US 16676103 A US16676103 A US 16676103A US 1903166761 A US1903166761 A US 1903166761A US 763229 A US763229 A US 763229A
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hammer
levers
cap
shell
plug
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US16676103A
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Charles P Watson
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42CAMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C15/00Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
    • F42C15/20Arming-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
    • F42C15/22Arming-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

Definitions

  • My invention relates to percussion fuses for explosive shells; and it consists, essentially, of a novelly constructed and arranged mechanism interposed between the hammer and detonating-cap capable of holding the hammer normally out of contact with the cap and being operated upon by centrifugal force to permit said hammer upon the impact of the shell to be projected against said cap.
  • One of the principal objects of this invention is to provide a means that will render the handling of this class of shells perfectly safe, and yet when fired from a gun will operate to set the hammer free, so that it will be projected against the detonating-cap upon the impact of the shell with absolute certainty.
  • Figure l' is-a longitudinal sectional view of my improved device
  • Fig. 2 a plan view of the inner face'of the capcarrying plug, showing the hammer-restraining mechanism in closed or normal position
  • Fig. 3 a similar view showing the hammer-restraining mechanism in open position, with the reduced end of the hammer in cross- Section projected between the levers of said mechanism
  • Fig. t a modified form of ham mer-restraining mechanism
  • Fig. 5 another form of said mechanism.
  • the letter a indicates the fuse body, having the usual flanged head a and chamber A portion of the outer surface of thefusebody is scre ⁇ 1 threaded, so as to adapt it to be screwedtinto the breech of the shell.
  • a portion of the inner wall of the chamber a is screw-threaded to receive a screw-threaded plug 0,. carrying aldetonating-cap c and having a firing channel or hole 0 communicating with the priming-charge chamber a.
  • the inner end of the plug is counterbored, and situated in said conntcrboredend a fetwo levers or arms (i' (I, which are preferably pivoted on the plug and have their free ends normally held together by a spring 1', the spring being attached to the levers or arms at :Silt'fll a point distant from their pivots as to reac ily 1 permit said levers or arms to separate under the action of centrifugal force developed by the rapid rotation of theshell during its flight.
  • the end of one lever may be provided with an indent (Z and the end of the other lever with a correspondiugly-shaped projection J "to hold theends of said levers in slightly locked position until overcome by the action of centrifugal force.
  • the levers-J zlgaregnf suflicient thickness to prevent tl1e..firing-pin from com ng in contact with the detonating cap; and tneir normal position (between the inner faces of the reduced end 6 and the plug) is positively maintained until forced out of such posi ion by the action of centrifugal force, the tension force of the spring being "readily overcome.
  • Both the flanged head of the fuse-body and the outer end of the plug are provided with sockets e e and f f, respectively, to receive .the forked ends of a suitable tool for securing the parts in their respective places and for removing the same.
  • levers (Z (Z are hinged together at one end by a pin g, which is preferably secured in the face of the plug, and the free ends of said levers are held normally together by a spring g.
  • each lever is pivoted on the face of the plug, at opposite sides thereof, with the free end of each resting against the'in'ner' sidc'of the other, and springs It h are provided to. hold said levers in their closed or normal position.
  • a shell-fuse the combination with a suitably-chambered stock, having a closed end and an open end, a hammer loosely seated in the chamber, and having a reduced forward end portion provided with a firing-pin, and a removable cap-carrying plug'seated in the open end of said chamber, of a pair of wings or levers, pivoted on the face of the cap-carrying plug and arranged in the path of the 7 forward movement of the hammer, and means normally holding the free ends of the wings in closed position, whereby said hammer is prevented from accidentally contacting with the cap, but free to strike the cap, upon impaet,when the wings or levers a're acted upon by centrifugal force.
  • the combination with a suitably-Chamb'ered stock having a closed end and an open end, a hammer seated loosely in the chamber, and having a reduced forward end portion provided with a firing-pin, and a removable cap-carrying plug, seated in the open end of said chamber and having a cOunterbored face, of a pair of wings or levers pivoted within the counterbored face of the capcarrying plug, and means normally holding the wings in closed position, whereby said hammer is prevented from accidentally contacting with the cap.
  • a shell-fuse the combination with a suitably-chainbered stock, having a closed end and an open end, a hammer loosely seated in the chamber, and having a reduced forward end portion provided with a firing-pin, and a removable cap-carrying plug, seated in the open end of said chamber and having a counterbored face, of a pair'of wings or levers, pivoted within the counterbored face of the cap carrying plug and arranged in the path of the forward movement of the hammer, and a spring normally holding the free ends of the I wings in closed position, whereby said hammer is prevented from accidentally contacting with the cap.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)

Description

PATENTBD'JUNB 21, 190.4.
0. P. WATSON SHELL FUSE. APPLICATION FILED JULY 23, 1903.
0' MODEL.
. v inuu ltur 01% WW $9 Qitnvucg v @litnesses:
UNiTED STATES CHARLES P.,WATS()N, QF YORK, PENNSYLVANIA.
Patented June 21, 1904.
PATENT OFFICE.
SHELL-FUSE.
SPECIFICATION forming part of Letters Patent No. 763,229, dated June 21, 1904.
To all whom, if may concern:
Be it known that I, (finances P. \VATsoN, .a citizen of the United States, residing at-York, in the county of York and State of Pennsylvania, have invented certain new and useful Improvements in Shell-Fuses; and 1 do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to percussion fuses for explosive shells; and it consists, essentially, of a novelly constructed and arranged mechanism interposed between the hammer and detonating-cap capable of holding the hammer normally out of contact with the cap and being operated upon by centrifugal force to permit said hammer upon the impact of the shell to be projected against said cap.
One of the principal objects of this invention is to provide a means that will render the handling of this class of shells perfectly safe, and yet when fired from a gun will operate to set the hammer free, so that it will be projected against the detonating-cap upon the impact of the shell with absolute certainty.
Other objects of the invention will become readily apparent upon a more detailed description thereof.
1n the drawings, Figure l'is-a longitudinal sectional view of my improved device; Fig. 2, a plan view of the inner face'of the capcarrying plug, showing the hammer-restraining mechanism in closed or normal position; and Fig. 3, a similar view showing the hammer-restraining mechanism in open position, with the reduced end of the hammer in cross- Section projected between the levers of said mechanism; Fig. t, a modified form of ham mer-restraining mechanism, and Fig. 5 another form of said mechanism.
Referring to the several views, the letter a indicates the fuse body, having the usual flanged head a and chamber A portion of the outer surface of thefusebody is scre\ 1 threaded, so as to adapt it to be screwedtinto the breech of the shell.
In the rear portion of the chamber (0 1s loosely seated a hammer b, said hammer having a reduced end portion 6', provided with a liril'ig-pinlf.
A portion of the inner wall of the chamber a is screw-threaded to receive a screw-threaded plug 0,. carrying aldetonating-cap c and having a firing channel or hole 0 communicating with the priming-charge chamber a. The inner end of the plug is counterbored, and situated in said conntcrboredend a fetwo levers or arms (i' (I, which are preferably pivoted on the plug and have their free ends normally held together by a spring 1', the spring being attached to the levers or arms at :Silt'fll a point distant from their pivots as to reac ily 1 permit said levers or arms to separate under the action of centrifugal force developed by the rapid rotation of theshell during its flight.
The end of one lever may be provided with an indent (Z and the end of the other lever with a correspondiugly-shaped projection J "to hold theends of said levers in slightly locked position until overcome by the action of centrifugal force. The levers-J zlgaregnf suflicient thickness to prevent tl1e..firing-pin from com ng in contact with the detonating cap; and tneir normal position (between the inner faces of the reduced end 6 and the plug) is positively maintained until forced out of such posi ion by the action of centrifugal force, the tension force of the spring being "readily overcome. I I
Both the flanged head of the fuse-body and the outer end of the plug are provided with sockets e e and f f, respectively, to receive .the forked ends of a suitable tool for securing the parts in their respective places and for removing the same. Y a
In the modification shown in Fig. 4 the levers (Z (Z are hinged together at one end by a pin g, which is preferably secured in the face of the plug, and the free ends of said levers are held normally together by a spring g.
In the modified form shown in Fig. 5 each lever is pivoted on the face of the plug, at opposite sides thereof, with the free end of each resting against the'in'ner' sidc'of the other, and springs It h are provided to. hold said levers in their closed or normal position.
In each modified form the face of 'the reduced, end of the hammer will rest or'abut against the levers, andthereby prevent'the firing-pin from coming in contact with the cap until said levers are thrown out by centrifugal force. o
Other modifications in the details of con struction may bemade without departing from the spirit or scope of my invention or sacrificing the principle thereof.
Havingfully described my invention, what I claim as new, and desire to secure by Letters Patent, is
1. In a shell-fuse, the combination with a suitably-chambered stock, having a closed end and an open end, a hammer loosely seated in the chamber, and having a reduced forward end portion provided with a firing-pin, and a removable cap-carrying plug'seated in the open end of said chamber, of a pair of wings or levers, pivoted on the face of the cap-carrying plug and arranged in the path of the 7 forward movement of the hammer, and means normally holding the free ends of the wings in closed position, whereby said hammer is prevented from accidentally contacting with the cap, but free to strike the cap, upon impaet,when the wings or levers a're acted upon by centrifugal force.
2. In a shell-fuse, the combination with a suitably-Chamb'ered stock, having a closed end and an open end, a hammer seated loosely in the chamber, and having a reduced forward end portion provided with a firing-pin, and a removable cap-carrying plug, seated in the open end of said chamber and having a cOunterbored face, of a pair of wings or levers pivoted within the counterbored face of the capcarrying plug, and means normally holding the wings in closed position, whereby said hammer is prevented from accidentally contacting with the cap.
3. In a shell-fuse, the combination with a suitably-chainbered stock, having a closed end and an open end, a hammer loosely seated in the chamber, and having a reduced forward end portion provided with a firing-pin, and a removable cap-carrying plug, seated in the open end of said chamber and having a counterbored face, of a pair'of wings or levers, pivoted within the counterbored face of the cap carrying plug and arranged in the path of the forward movement of the hammer, and a spring normally holding the free ends of the I wings in closed position, whereby said hammer is prevented from accidentally contacting with the cap. a V
In testimony whereof I affix my signature in the presence of two witnesses.
CHARLES P. VATSON.
\Vitnesses: J. R. NOTTINGHAM, HARRY S. \VELGH.
US16676103A 1903-07-23 1903-07-23 Shell-fuse. Expired - Lifetime US763229A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040172825A1 (en) * 2003-03-03 2004-09-09 Memmen Robert L. Turbine element repair
US20040172826A1 (en) * 2003-03-03 2004-09-09 Memmen Robert L. Turbine element repair

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040172825A1 (en) * 2003-03-03 2004-09-09 Memmen Robert L. Turbine element repair
US20040172826A1 (en) * 2003-03-03 2004-09-09 Memmen Robert L. Turbine element repair
US7216428B2 (en) 2003-03-03 2007-05-15 United Technologies Corporation Method for turbine element repairing
US20080057254A1 (en) * 2003-03-03 2008-03-06 United Technologies Corporation Turbine element repair
US7509734B2 (en) 2003-03-03 2009-03-31 United Technologies Corporation Repairing turbine element
US20100196684A1 (en) * 2003-03-03 2010-08-05 United Technologies Corporation Turbine Element Repair

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