US1122738A - Target-bullet. - Google Patents

Target-bullet. Download PDF

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Publication number
US1122738A
US1122738A US84399314A US1914843993A US1122738A US 1122738 A US1122738 A US 1122738A US 84399314 A US84399314 A US 84399314A US 1914843993 A US1914843993 A US 1914843993A US 1122738 A US1122738 A US 1122738A
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United States
Prior art keywords
bullet
target
diameter
novel
bore
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Expired - Lifetime
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US84399314A
Inventor
Albert B Gully
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UNION METALLIC CARTRIDGE CO
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UNION METALLIC CARTRIDGE CO
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Priority to US84399314A priority Critical patent/US1122738A/en
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/38Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information of tracer type

Description

A a 7 2a 10 TARGET BULLET.

A IIIIIIIIIIIIIIIIIIIIIIII 4.

Z SHEETS-S EEEE 1.

WIT

A. B. GULLY.

TARGET BULLET. APPLICATION FILED JUNE 9, 1914.

1 1 22,738. Patented Dec. 29, 19-14.

WI T/VESSES: l/V VE IV TOR A TTOR/VEY 'HEJ NORRIS PETERS ca, PHOTO LVTHFL. WASrylr/um/v. 12 z UNITED W rion.

ALBERT B. GULLY, 0F BRIDGEPORT, CONNECTICUT, ASSIGNOR TO UNION METALLIC CARTRIDGE COMPANY, OF BRIDGEPORT, CONNECTICUT, A CORPORATION OF CON- NECTICUT.

TARGET-BULLET.

To all whom it may concern Be it known that I, ALBERT B. GULLY, a citizen of the United States, residing at Bridgeport, county of Fairfield, State of Connecticut, have invented an Improvement in Target-Bullets, of which the following is a specification.

This invention has for its object to provide a non-jacketed bullet especially adapted for short range target shooting, which, owing to special details of construction hereinafter to be described, will produce better targets than has been possible with any bullet heretofore produced, will not tear the target but will cut a round hole therein, will be self-centering in the bore of a gun barrel should it happen to be loose in the cartridge shell and will effectually clean the grooves of the bore and keep them clean. lVith these and other objects in view, I have devised the novel target bullet which I will now describe, referring to the accompanying drawings forming a part of this specification, and using reference characters to indicate the several parts.

Figure 1 is an elevation of my novel bullet; Fig. 2 a longitudinal section thereof, also showing an additional lubricating groove; Fig. 3 a front end elevation of the bullet after leaving the gun barrel; Fig. 4 a longitudinal section of the rear end of a gun barrel showing a cartridge with my novel bullet in place therein; Fig. 5 a longitudinal section of a portion of the bore of a gun barrel showing the bullet during its passage therethrough, and Fig. 6 is an illustration of a target which has been hit by an ordinary bullet and also by my novel target bullet.

10 denotes a gun barrel, 11 the grooves of the bore, 12 the lands, 25 the chamber, 13 the shell of the cartridge and 14 my novel bullet which is made of lead or an alloy of lead and is not jacketed. My novel bullet comprises a heel 15, a body portion 16 and a tip 17. The length of my novel bullet may vary from one and one-half to two and one-half times the caliber as variations from a length of twice the caliber, which I find very satisfactory in use. The body of the bullet is cylindrical and is provided with the usual lubricating grooves 18. The heel is of reduced diameter and may or may not be rounded at its rear end. The tip tapers slightly in a straight line from its Specification of Letters Patent.

Serial No. 843,993..

intersection with the body to the forward end, which is flat across, as at 19, and is provided with a central recess or cavity 20 having an inclined wall. The depth of the recess is not of the essence of the invention but depends upon the length and diameter of the bullet and is so proportioned as to give perfect balance to the bullet.

An essential feature of the bullet is that it is fiat across its forward end as distinguished from having any point whatever, the thickness, however, of the wall at the forward end is immaterial, it being simply necessary to insure sufiicient stiffness to prevent deformation of the bullets in handling. The tip may or may not be provided with an additional lubricating groove 21, as shown in Fig. 2. I

Another essential feature of my novel bullet is that the diameter at the forward end of the tip corresponds substantially with the diameter of the gun barrel from which it is to be fired, at the tops of the lands, and the diameter at the rear end of the tip corresponds substantially with the diameter of the gun barrel at the bottom of the grooves, so that while the shell and the body of the bullet fit the chamber with merely a close fit as usual, pressure must be applied to the rear end of the cartridge to force the tip of the bullet into the bore. The bullet is easily seated, however, owing to the fact that it is relatively soft. The elfect of forcing the tip of the bullet into the bore is to cause the lands of the bore to form corresponding grooves in the bullet, which are indicated by 22 in Fig. 4. When the bullet is fired, the effect of the resistance of the air owing to the recess in the tip is to expand the tip outward so that still deeper grooves are formed in the bullet which are indicated by 23 in Fig. 5 and which correspond with the lands of the bore, leaving ribs 24 between the grooves 23 which correspond with the grooves of 1 the bore and fill said grooves and also leaving the bullet supported in the barrel from end to end so that deflection of the bullet (keyholing, as it is called) is avoided. These ribs upon the bullet efiectually clean the grooves of the bore and keep them clean so long as my novel bullets are used, see Fig. 5, in which the dirt in the grooves of the bore, which is scraped up and forced out by my novel bullet, is indicated by 26. An-

Patented Dec. 29, 1914;

other important advantage resulting from the taper ,ofthe tip in connection with its slightly greater diameter than the bore of thegun 'barre'l'from which it is to be fired is to insure that it will seat itselfcentrally in the bore, even though it may be loose in the cartridge shell, a condition that frequently happens in small caliber cartridges.

r The vitally important result, however, -secured by my novel bullet is'its extreme accuracy in short range shooting. My novel bullet does not tear'a paper target but cuts v ,or'dri-lls round hole in it of appreciably greater diameter than the caliber.

The reason for this will bereadily understood from Fig. 3, which see in connection with Fig.6. It must be borne in mind that'owlng to its taper and its greater diameter than the lands of the bore, the bullet-issure to is provided with a cavity or recess, the resistance ofthe air will expand the forward end of the bullet into the grooves of the 'bor'eformlng ribs which not only-scrape the grooves of the bore rendering it unnecessary to stop to clean'it, but also increase the ac tlVB or-operatlve diameter of the bullet when it-strikes the target, so that there can beno te'aringof the target but in fact a round hole isdrilled or cut inthe targetby the rapidlyrotatingbullet. In fact it is fre- 35-quent with my novel bullet to cut sharply.

two rings of a standard target which can reads.

be done with no other bullet known to the GIn Fi'gG, which represents an actual target, 27ind1cates a hole made by an ordi- "nary bullet. In practice the hole is torn, the paper of the target beingpunched, aside but not out 'out'and removed so that'the holejp'a'rtly fills the instant the bullet has L passed. '28 indicates a hole cut-by one of my novel bullets ofthe'saine caliber, its

center being equi-distant with the center of 'holeQ'T "from the center of the target. Hit

1 27 willscore nine while hit 28 will score ten. 29 indicates a hole made by one of niy'novel bullets and cutting two cirdles of the "target, "but sc'oring'ten; it will be noted questions regarding doubtful shots cial targets. .a v I Having thus described my invention I claim? 1 1. A target bullet comprising a bodytpora that the use of my novel bullets "avoidsall tion adapted to fit the \chamber offthe gun barrel from which it is to be fired'and' a tip-tapering in a straight line from the body a portion to the forward end which is) flat across and is provided with a cen'tral recess having a tapering wall, thetdiameterat the forwardend of the tip corresp ondingfsub- 's'tantiall'y with the diameter ofthegun barrel atthetops; of the lands and the diameter at the rear end of the tip corresponding substantially with the diameter 'of the gun barrelat the bottomof the grooves.

2. ,Atarget bullet having a'length'approximately twice its caliber and 'comprising abody portion adapted to fit the cham- 'ber of agun barrel and atip tapering in a straight line from the body portion to the "forward end, said tip being flat across its forward "end and provided with a -central recess having a tapering wall, the diameter at the forward end-ofthetip corresponding substantially with the diameter of the gun barrelat the tops of the lands and the diameter at the rear end of the tip correround liole'in a paper target the full di vanieter ofthe 'barre'lat the bottonifofthe grooves. V I i, a p Injte'stmrony 'whereof F I affix my signature 111,1316861106 of two witnesses.

ALBERT ,B. G

' W'itnessesi I Fonnsrnn F. Brsnor,

WVILLIABPMLTHOMAS.

cbpies or this patent maybe obtained for five cents eaciln by elddressing the commissionerzxof Ifatents, 1

WashingtonDJt?" 'LL- Y,

US84399314A 1914-06-09 1914-06-09 Target-bullet. Expired - Lifetime US1122738A (en)

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US84399314A US1122738A (en) 1914-06-09 1914-06-09 Target-bullet.

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003418A (en) * 1959-03-19 1961-10-10 Wendell M Young Livestock marking bullet
US3157126A (en) * 1962-02-01 1964-11-17 Blondeau Roland Gilber Auguste Missile for sporting guns
US3298312A (en) * 1965-06-14 1967-01-17 Kenneth W Adams High pressure nose for a body in flight
US3326133A (en) * 1963-09-07 1967-06-20 Dynamit Nobel Ag Practice ammunition
US3557702A (en) * 1968-10-17 1971-01-26 Victor Comptometer Corp Projectile with target cutting means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003418A (en) * 1959-03-19 1961-10-10 Wendell M Young Livestock marking bullet
US3157126A (en) * 1962-02-01 1964-11-17 Blondeau Roland Gilber Auguste Missile for sporting guns
US3326133A (en) * 1963-09-07 1967-06-20 Dynamit Nobel Ag Practice ammunition
US3298312A (en) * 1965-06-14 1967-01-17 Kenneth W Adams High pressure nose for a body in flight
US3557702A (en) * 1968-10-17 1971-01-26 Victor Comptometer Corp Projectile with target cutting means

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