0d. 29, 1946. H_ J, SAUER' 2,410,355 DIRIGIBLE SEARCHLIGHT Filed Feb‘. 21, 1944 IVENTOR HQIRY LI. .EIAUE'R ' ' ATTORNEY Patented Oct. 29, 1946 2,410,365 UNITED STATES . PATENT " OFFICE, " l " ' I r 2,410,365.“ J ' ' DIRIGIBLE SEARCHLIGHT' Henry J. Sauer, Fair?eld, Conn, assignor to The Kilbormsauer Company, Eair?elcl,v Conn” a . corporation of Connecticut v I Application February 21, 1944, Serial ,No. 523,20; , 2 CIaimS 1 (Cl. 240?-6,L'13) . . 2 . ’ vThe present invention relates to a dirigible Y their upper ends to the plate l5 and engaged ‘in Searchlight; particularly of the type for marine holes I‘! in the roof, being provided at their lower ends with nutsv Iii-engaged with the inner side of use adapted to be mounted upon the roof of a boat cabin for directional and angular control from within the cabin. An object of the inven tion is to provide a Searchlight structure wherein the directional and angular control may be car ried out by means of a single operating handle, and wherein axially slidable shafts and pivoted connection links such as heretofore employed 10 the roof. ' 1 - - able sleeve" I9 projecting at its lower end below the lower end of the sleeve l2 and provided at its upper end with alaterally extending ?ange 2i!v of circular outline having rotatable bearing upon the upper flat end of the mounting base l3. - .Upon in certain structures of this type are dispensed .. this flange 29 there is. secured a gear housing with, to the end that the from parts that are apt which are subject to rapid exposure to ‘weather, salt member 2!, having vertical parallel side walls teriorating in?uences. structure'will be free to become loose and deterioration through spray, and other de 15 I ' Within the sleeve 12 there is engaged at rotat and a circumferentially curved upper wall, and provided at its base with an outwardly extend ing ?ange 22 rigidly secured to the ?ange 2:0 by screws 23. ' A tubular shaft 24 is rotatably engaged within _ v A .further object is to provide a Searchlight structure wherein all of the movable operating parts are effectually enclosed against the en the rotatable sleeve 19 and projects at its lower end below the sleeve l9 and at its upper end trance of water. Y ' 20 above the ?ange ZELbeing provided upon its up ' With the aboveand other objects in view, em per end within the gear‘housing‘ 21 with abevel bodiments of the invention are shown in the gear. 25 rigidly secured thereto‘ by means of a accompanying drawing, and these embodiments will be hereinafter more fully described. with reference thereto, and the invention will be ?nal ly pointed out in the claims.‘ .In the drawing‘: pin2-6l - vvThe vertical side Walls of-the housing member 25 2! are respectively provided with bearing holes 2'! ‘and 28, disposed within outwardly offset cir cular bearing bosses‘ 29 and 30, and engagedby a .Fig. 1 is a side elevation of a ldirigible search light, according to one illustrated exemplary em a shaft 3| having a reduced portion 32 at one end engaged through-an aperturetii in one side leg bodimentof the invention. ' . ' , 30 of a-lamp supporting yoke member 34, and pro Fig. 2 is a vertical sectional view taken along vided at itsvother end with a threaded portion the line 2+2 of Fig. 1. tieng'ag'ed through a hole'36 in-the other side Fig. ‘3 is a bottom plan view. leg of the yoke member. The reduced end por Fig. 4 is a fragmentary front elevation .of the lower end portion. Fig. 5 is a side elevation of a modi?ed tor-m of directional and angular control means. Similar reference characters indicate corre sponding parts .throughout the several ?gures of the drawing. 35 tion 32 is engaged in a collar 37 rigidly secured to the outer vside of the yoke member by- brazing or the like, and rigidly secured to the shaft by means of a taper pin _-38. The threadedend 35 of the shaft is engaged by a spring lock washer 39 and a retaining nut d9, so that the shaft is thus rigidly connected to the yoke member and Referring .to the drawing the boat cabin roof has rotational bearing in the housing member 2|. [0, or the like, is provided with a" vertical pas‘ The lamp 4| is secured to the upper arcuately sage H in which isengaged a ?xed cylindrical formed side of the yoke member by rivets 42. sleeve i2 projecting above and below the roof and Upon the shaft 3! there is ‘secured ‘a bevel gear rigidly connected at its upwardly projecting por-v 45 as meshing ‘with the bevel gear 25 vor the shaft tion to a mounting base ,13 of substantially bell 24, so-that through-rotation of‘ the shaft 24 the shape, provided in its ?at uppersurface with a' shaft 3! is rotated to impart tilting movement to central aperture 14 in which the upper end of the ‘lamp. Directional moyernent is imparted to the sleeve 12 is rigidly secured .as by brazing, or the lamp by rotating the sleeve“) which causes the like, and provided in its loweropen end’ with 50 the housing member ‘21 , andthe yoke carried a centrally apertured :bracing ?ller plate l5 rig thereby to be rotated about a vertical axis. ’ idly secured at its inner and outer peripheries re :Upon the lower projecting end ‘of the sleeve 19 spectively to the sleeve l2 and to the support I3, there is provided a ?ange collar .?ise'cured there as by brazing or the like. The mounting base I3 to‘ by means of a set screw-A5, andprovided' in. is secured to the roof II] by bolts l6 secured at 55 the under surface of its ?ange with a series of 2,410,365 g i 4 3 radial teeth 46. Upon the lower projecting end Having thus described my invention, what I of the shaft 24 there is provided a collar 41, secured thereto by means of a set screw 48, and and provided; atfits“ other side‘ and in'its upper claim and desire to secure by Letters Patent is: 1. In a dirigible search-light, a mounting ele ment adapted to be ?xed to a supporting struc ture, a rotatable vertical sleeve member having bearing in said mounting element, a gear housing member secured to the upper end of said. sleeve 'surface‘with a tooth 52 engageable with the - member and rotatable therewith, and having a teeth 46 of the ?ange collar 44, being normally maintained in interlocking engagement with the conductor wire slot in its upper side in vertical line with the vertical axis of rotation of said teeth 46 by the Weight of the handle. 1 sleeve and housing and extending forwardly and having pivotally mounted thereon by means of trunnion pins 49 a yoke member 50, provided ‘with an extension handle portion 5| at one side, In the normal tooth-engaged position turning rearwardly of said axis, a rotatable vertical of the handle 5| causes the sleeve I9 and theshaft } tubular shaft engaged in said rotatable sleeve member, 'a- b'evel gear secured to the upper end 'of' said shaft within said housing member, a horizontal shaft journaled in said housing mem ber, a bevel gear secured to said horizontal shaft and meshing with said ?rst mentioned bevel gear, a lamp supporting yoke member having side legs 20 disposed at each side of ‘said housing member andrigidly connected to the ends of said hori-; 24 to move as a unit, thusdirectionally turning , g the lamp about a vertical axis, there being no relative tilting movement of the lamp‘during this operation. In order to tilt the lamp’r'the arm 5| is swung upwardly to disengage the tooth'52 from the ?ange 44, as shown by the dot-and dashlines inzFigé 1,‘ and thereupon turningrof the: handle causes the shaft 24 to turn within thehsleeve i9, and through the bevel gears 25 and 43 tilting movement is imparted to the lamp. Itv will be obvious'that this, operation may be zontal shaft, and having a conductor wire open ing in the upper side in the same verticalplane with said slot in register therewith and adapted through swinging movement ofsaid yoke member out moving the hand from the handle, it being to traverse said slot, a lamp connected to said only necessary to raise the handle slightly to yoke member, a conductor wire extending from render.’ the‘ handle operative to, tilt the lamp to said lamp through said conductor wire opening thedesir'ed anglaand thereupon to lower the » and slot to said housing and from said housing handle to interlock its tooth 52 with the ?ange 30 through said vertical tubular shaft, and actu “to impart the desired. directional rotation to atingmeans for said vertical sleeve and Vertical conveniently carried out with one hand and with therlamp. " , : '_ , The electrical conductor wire 53 extends from the lamp through an aperture 54 in the yoke shaft connected. to said shaft to: rotate it in dependently and connectable to said sleeve to rotate said sleeve and shaft as a unit. member 34 and through a slot 55 in the upper 35 2. In a dirigible search-light, a mounting ele circumferential side of the closure member 2!, ment adapted to be ?xed to a supporting struc and thence around the, shaft .3! and downwardly ture, a rotatable vertical sleeve'member having through the passage of the tubular shaft 24, being bearing in said mounting element, a gear hous extended from the lower end of the shaft to any ing member secured to the upper end ‘of said desired point within the cabin. To the under 40 sleeve member and rotatable therewith, and side of the upper arcuate portion of the yoke having an arcuate upper wall having a conductor member there is secured, by brazing or the like, a wire slot therein in vertical line with the vertical closure shoe 55 having a lower face concentric axis of rotation of said sleeve and housing and to the upper circumferential surface of, the closure extending forwardly and rearwardly of said memberil so that it rides thereon over the slot 54during tilting movement of the lamp, the ex tent ofthe shoe being such as-to maintain the slot closed in any position of tilting of the lamp. In this manner water, is. prevented from enter ing; the housing member and the lamp casing. axis, a rotatable vertical‘ shaft engaged in said rotatable sleeve member, a bevel gear secured to the upper end of said shaft within said housing member, a horizontal shaft journaled in said housing member having itsaxiscoinciding with In 511 have illustrated a modi?ed form of control means consisting of a ?ange member they axis of said arcuate upper wall, a bevel gear secured to said horizontal. shaft‘ and meshing with said ?rst mentioned bevel gear, a lamp sup 44“ secured to the lower end of the sleeve I9 and vhaving a plain under surface, and wherein porting yoke member having side legs disposed at each side of said housing member and rigidly connected-to the ends of said horizontal shaft, a closure shoe carried by said yoke member and slidably engaged with said slotted arcuate upper wall of said housing member and having a con operation downward pressure‘upon the handle ductor wire opening therethrough in the same causes the cam portions to wedgingly engage the 60 vertical plane with said slot in register therewith ?ange member 445 so that the tubular shaft 24 and adapted through swinging movement of said and the sleeve 19 are rotated as a unit, while rel yoke member to traverse said slot, a lamp con ative rotational movement is imparted to the nected to said yoke member, a1 conductor wire tubular shaft by disengaging the cam portions extending, from said lamp through said con from the flange 448 as the handle 5! is turned. 65 ductor wire opening and slot to said housing and the actuating handle ‘5| is providedwith a yoke end 50% pivotally mounted upon the collar 41 and provided at each side with wedging cam portions 51 disposed beneath the ?ange member 44*. In This disengaging operation is accomplished either by swinging the handle 5| to; a relatively raised position. andturning it, or by turning it Without from said housing through said vertical tubular shaft, and actuating means for said vertical sleeve; and vertical tubular shaft connected to said shaft to rotate it independently and con I have illustrated and described preferred and 70 nectable to said sleeve to rotate said sleeve and exerting downward pressure’thereon. satisfactory embodiments of the invention, but it ‘will be understood that changesrmay be made therein, within the spirit and scope thereof,’ as‘ de?nedin the appended claims.‘ "j shaft as a unit. ~ ~ ‘ ' . . HENRY J. ‘SAUER.