US2330636A - Aerial bomb - Google Patents

Description

Sept. 28, 1943. H. SMITH AERIAL BOMB I Filed Dec. 22, 1941 flail/4rd Sim 2% IN V EN TOR.

A'I'I'URNIYI Patented sep t. 2a, 1943 PATENT creme 33 361 if" if; .AERI ALBOMB I i I Howard Smith, Bryn'Mawr, Pa. Application December IZZ', 1941, seal-a. 4 4,042 2-o1aims. 1(o;1-.102 2) p v My invention relates to aerial-bombs and has onto the shank 34, whichholds the percussion u among its objects and advantages the provision cap imposition. I The'bomb is then ready for use. of an improved shrapnelbomb. 1 The cup 42 opens'downwardly and traps air v In the accompanying drawing: I therein when the cup strikes waterymud, sand Figure 1 is an elevational view of a bomb in and other soft or loose earth formations to drive a ordan ith my i ti the firing pin-40 into engagement with the per Figure-2 i top plan View; d j cussion cap 32' and explode the bomb before the Figure 3 is a sectional View along'the line 3-3 a t penetrates the S t tar et-- This the bomb of Figure 2. V Y f 1 is causedto explode above surface. 1 In the'embodiment selected for illustration, I n exploding the m a V t grOundbr make'use of a caststeelshell H] of elliptical con- 'Water surface, the b q a fi e p y I tour when viewed according to Figures 1- and 3. t. {strafing D PO T0 Secure breaki 5 3 1 3 Threaded bores I2 and 14 are provided in the Shell i smallfragmentsi 151161511611 is p o v e -zf ends of the shell It coaxially of its major axis. withamultiplicity fer v 54 arranged p lly A plug i6 is threaded through-bore l4, Which'plug about the; greater joutside' surface of. the shell. is provided withstabilizing van es l8 for effecting {Thus g s ll d r pn a s t e vertical gravitation of the bomb when released 1n d t n ve a -m from an aircraft. l Bore! is of sufiicient size to permit the shrapwe 7 Within the bore I2 is threaded a fitting 2n havnel tob ip e p h t facilitate filling ing a shank 22 threadedly connected in'the'bore of e h 1 I v I I r .s 2g is provided with an axial bore 24' I Without further elaboration, the foregoing will v, into which one end of a stick 26,0fexplosive is so fully 11111517173433 my v n n that thers may, inserted. The explosive 26 is surrounded by by applying current k o efle y adapt h i shrapnel 28, which completely fills'the seen 110. Same q u under o s Con f v e- I i Bore 24 communicates with :a bore 30 for the 125 lm I I Q 1 reception of a percussion c3931 u I H I H v 1. aenal bomb comprlslng ashell havmg a The fitting 20 includes asecond threaded shank mgltlphclty 9 hues i t formed therem? i 34 for connection with a coupling member 36 hav- Sam sheu'beltlg ml iw i first. and l if a ing a bore 38 for slidably guiding a firing pin threaded openmgsm opposlte ends therenf, a plugv To the outer'end of the firing pin 40 is connected- .30

threaded into the first opening and provided with a stabilizingvan'e, a fitting having a first shank a cup-like impact member 42through the medithreaded 7 intothe second opening, said shank, um a scrfew 1- being provided with aneuzial bore, an explosive v 1 v y -F1gure 3 luustmtes. the s p Ml aS. belt! material in stick form having one end' secured provided i a recess through hf 35 in said axial bore, said explosive material ex-: tended a pm. Dressed througha b 111 tending inside said' shell, shrapnel filling said v coupling member 36. PmAB constitutes an abutshell and .sfirroundinga explosive aerial m for one end Of compression r g 59 v said fitting being provided withasecond' threaded having its other end'abutting the cup 42 o I g shank and having a second axial bore communi- I many holding the rin P in q i a 4,0 cating with said first axial boreja percussion cap Figure 3. e v i f in said second bore, a couplingme'mber threadv Slot titis of sufiicient length to permit thefir: V edly-connectedw'ith'said s o shank and I mg Pin 49 b drwen engagement w t gaging the-percussion cap to hold the latter in v percussion cap 1 2 when the cupAZ strikesits tar- "position, id li g memb r b in pr vid d v. y i get. Pin 48 also limits the relative outward 45 'with a. bore, a firing pinslidable in said bore, pin 1 I movement of the firing pin 41! with respect to'the I 'means acting on said coupling member and said coupling member 35. A shoulder, 52 on the coufiring pintolimit outward movement of the i-lr-R,

pling member 35 holds the'percussion cap 32 in ing. pin,a spring acting onthe coupling member position. 1 I v v and the fir ng pin for urgingthe' latter outwardly In operation, the percussion cap 32 need notbe' to hold the firing pin spacedfrom the percussion placed in position until the bomb is loaded'on cap, and a target-engagingcup attachedto-saidl: the aircraft. This feature providesa bomb which i v firing pin and opening the direction of v the may be handled and stored with a greater degree target." v I r e i of safety. When the percussion cap 32 is slipped 2. -An aerial bomb comprising a shell having a into position, the coupling member is threaded 5 multiplici1 O lines of fracture formed 1 6 -1' explosive material in stick form having one end secured in said axial bore, said explosive material extending inside said shell, shrapnel filling said shell and surrounding said explosive material, said fitting being provided with a second threaded shank and having a second axial bore communicating with said first axial bore, a. percussion cap in said second bore, a coupling member threadedly connected with said second shank and engaging the percussion cap to hold thelatter in position, said coupling member being provided with a bore a firing pin slidable in said bore, pin means acting on said coupling member and said firing pin to limit outward movement of the firing pin, a spring acting on the coupling member and the firing pin for urging the latter outwardly to hold the firing pin spaced from the percussion cap, and. a target-engaging means attached to" said firing pin being of such area as to actuate the pin when hitting water or soft earth.

HOWARD SMITH.

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