Патент USA US2406236код для вставки
Aug- 20, 1946- v ' ' 12,406,236 A. M. MODOUGALL \ VESSEL AND ‘METHOD OF HANDLING SAME Original Filecj. Aug. 13, 19.45 l 1 I | .hulnmhK ..w/h\.A. m! .QQ r3Q "1% ,od Q\\,n3.1 1. Emfovh 1v. ‘IQ A5 \wm I IR _. 1' 4 ¢x4a...\:I0 Patented Aug. 20, 1946 2,406,236 , .. .. _;;,uN1TEo vs'rA'rEs PATENT osrlce * t 7 2,406,236 , 1 a ‘ VESSEL AND METHOD OF HANDLING SAME Alexander M. ,McDougall, .San Francisco, Calif.‘ . Substitute for abandoned application Serial No. 498,546, August 13, 1943. This application August 21, 1944, Serial No._ 550,380 - ~ ‘ 4 Claims. (01.!lift-i312)v 1 Q i .. 1 ; I 'This application is a substitute for'abandoned 2 mediate of the tank top I. and tween deck 5, thus the ‘ramp, if well aft as illustrated, will extend about equally .fore vand aft of such bulkhead. Consequently, I. have divided the ramp into a erence to that type of ship, for example, as illus 5 stationary portion 2 within. the forward cargo hold above the tank top and the pivotally ad trated in my U. S. Patent No.- 1,913,207 designed iutsable portion 3, aft of said bulkhead they be especially for carrying vehicles such as railroad ing normally when in cooperative position, on cars, automobiles and other forms of rolling stock. the same‘ inclinedplane as clearly shown in Fig - One'of the principal objects is to provide novel ure 3 of the drawing. . , means for most convenient transfer of such cargo Now to provide head room andsu?icient clear from one deck of the vesselto another in the ance for railroad cars,. forrexample, above the. process of loading or discharging cargo. stationary portion 2 of the ramp, and still sacri .The other‘ principal: object is that of - proper ?ce as little storage space as possible on the tween utilization.‘ of. Water ballast in-lo-ading ‘ and/or 'un-> loading thegcargo of the vessel, so that these 15 deck, I provide a bridge section 4 of the tween deck-5 pivotally, mounted as at ’O and which sec two‘features combined may result as nearly as application Serial No. 498,546, ?led August 13, 1943, and relates to vessels‘and method of load ing and/or unloading same and'has special ref tion, when raised, as shown, amply affords the necessary headroom,. however, when lowered to the ,sameplane with thetween deck, functions .lOther objects and. advantages-will appear in 20, normally either for, transportation or storage in conjunction with theother pivoted section 3. the further description of the invention. .. To provide such, novel , cooperation of a ship’s" vReferringnow to the accompanying drawing decks for, the movement of cargo, I have con-_ forming part of this-application and in which like’ possible in the. perfection of what might well be termed a self-cargo-handling- multi-deck car ferry. . . , _. ' reference characters indicate like parts: - . , Figure 1 is a broken» sideelevation of a vessel such as referred .to in» my former patent supra and. illustrative of. a. vessel having three, or more spaced decks available for cargo space. _ V Figure .2. is a broken plan view, of the inter mediate or so-called tween deck, and : Figure 3. is an enlarged broken vertical _;sec-> tional view of the novel combinedvramp-and bridge andv their cooperative relation '_to the ‘spaced deCkS, ' ',,' I ,It is to-be understood that the invention here claimed does‘ not involve any speci?c details of, construction but rather the cooperation of the‘ novel elements with a certain type of < ship, or vesseL; andmam'pulation ofgthe latter in han nected the two otherwise free ends of the sec 3 and 4 as by a single line 6 upon either side 25., tion thereof leading over the necessary bracketed and spaced sheaves ‘I and 8 suspended from the next deck -9 above, which may as shown, in Figure 1, be the main deck. ' In thisv manner, and when in suspension the two ‘sections obviously counterbalance each other and render the operation of movement of same very simple. , The bridge section 4 may be provided with any suitable means for sustaining the required weight "above same, for example, as by laterally extend ing transverse beams indicated at I0 which may rest within recesses H formed therefor in the sides of the opening into which the bridge ?ts. The ramp section 3 pivoted at I2 is shown as ' dling of cargo as well as conservation of cargo 40 provided with supporting bents l3 and which space within the vessel. In order to accomplish this it is obvious that may be removable if desired and the space other wise occupied or additional temporary supports any of the vehicles forming the cargo of the ves may be mounted thereupon to insure the neces sel that are to be carried upon the tank top deck I, must, if rampedv to or from same be accom 45 sary stability for the section 3 when in its raised’ position and acting as a portion of the deck to plished as nearly as possible to the place of entry which it is pivoted. . _ to the vessel, which in this instance is at the For convenient movement of this ramp section stern. Thus my illustrating the combined ramp I have shown a ?uid cylinder l5 vertically dis and bridge as far aft as possible and upon either one or both sides of the after cabins and com 50 posed and provided with a piston rod l6 pivotally . attached to the ramp 3 so that'any predetermined partments in the center of the vessel for ma form of ?uid power may be utilized for raising chinery, et cetera. or lowering the section, which obviously, by vir Furthermore, it is well known to be essential tue of the line 6 connections before described, will that a watertight bulkhead be maintained just forward of the boiler compartments and inter 55 simultaneously move the bridge section 4. 2,406,236 3 4 Now the matter of maintaining the watertight in my former patent supra and my other U. S. bulkhead just forward of the boiler compartment» Patents Nos. ‘1,772,612; 1,773,368; and Re, 18,350 which is required for safety in such vessel con struction, I have provided the'arcuately shaped‘ ' economical operation. - closure l1 depending from and ?xed to the free with a view of augmenting their successful and 7 end of the ramp section 3, the same being formed Having thus described my invention, what I claim as new and desire to secure by Letters Pat ‘to line ‘up and overlap the adjacent marginal edges oftheopening in said bulkhead necessary ent is: ‘L'In: a car-ferry vessel'iof' the type described forthe passage of cargo. A permanent-portion having a plurality of parallel decks including a of the bulkhead is shown at l8 and as forming 10 tween deck, an adjustable section of saidtween the after terminus of the ?xed portion 2 of the- i deck pivotally attached at its after end in a plane ramp and it is deemed obvious thatxany form with the normally :remaining portion thereof of suitable temporary watertight connection of and lowerable to function as a part of a ramp to the closure portion of the rampmay be resorted 1 the deck ‘below same, a ?xed section of ramp to, such as greased water-tight guides, or if (16- r ‘upon: saidlower deck and cooperatively engage ; sired, bolted for temporary’ security,.as is:com- 1 ..ableiwith-theimovable end of said adjustable sec ‘ 'mon in many parts of ship construction. tion, and a second adjustable section of said _While the ramping of cars fore and ‘aft on tween deck directly above said ?xed section piv shipboard is old as suggested. in my former patent otally attached at its forward end in a plane with supra as well as others, the instant invention said remaining portion whereby -.to provide; am-v ‘ makes» useyof whatT-is commonly referred, to. as pie heads-room ‘for obiectspassing ineither di- \ rectionthereunder when. raised .andmeans con 1 water-"ballast space during :thelQading andA-or unloading of such a. ship:.designed especiallylas 1 a car 1 ferry, or ‘for transporting rolling; stock which is susceptible to; the .forceoi gravity- during. 25 ‘ itsmovement; r‘For-this purpose ,1 provide. in conjunction with or; trimming tanks as at: 2 I; inthe'foreepeakthere ‘ of and at 22 in the stern as indicated in. Figures 1. and-2 so-that-ith’e samelmay: be employed int-he ‘ ‘ longitudinal trimming. oil the ship to assist-‘in han- ‘ 3 either, when‘t'ne‘rampis being usedor not.‘ . It'is well knownlthat'vesse'ls. of this type. in pwhich- the-‘boilers. and enginescarev well aft” nor 7‘ mally. remain .‘trimmedby. the: stern, that is with‘ . 1 the stern or heavier‘after portionv much deeper in. 2. A‘ combined,bridgezandrampafor a car-terry, V of the type describedhavin-g a'tween-deck and-ea; ‘ a-~ship,ias'.here .describedauxiliarywater space; ‘ dlin-g of the rollingv cargo. such vas illustrated necting the free-ends of. said: tweendeck sec, tions: whereby to insure theirope'rationiin unison, tank ‘top deck comprising, :a. track; carrying. ‘por tion of said, tween deck‘ being hingedly' supported at. one'end to a '?xed.;portiqn;of..-saidtween deck. and swingabledownwardly iromthe-normalplane thereof and a like portion normally-forming; ‘a; continuationgof said tween ;de,ckqalso hingedly supported at . its; remote ‘ terminus; from: said other - portion, and meansconnecting: the-:free ends of. said-sections \wherebyithe weightqof. one coimten balances ;the; weight of: the. other: when .moved in oppositev directions. . - . . 1 thewater than the‘ bowYand-what known ‘as water lballas-t I space is provided the; entire. length. 3. In a vehicle ferry of the» type described have ing :a; tween 1 deck .and. -a.' lower. :deck,. means for '1 of the ship belowthetank-top-deck-‘VI’, suchspace being» divided into suitable compartments. fore conveyingryvehicles intemnediate of; said. id'ecks: comprising, two. .;cooperatively, united: swingable and‘aft by~certainof theitr-ansverse girderszbelow the; tank top being’ ‘formed into Watertight bulk means to insure; the .freeendS. of-xsaid sections .. heads, I 1 - Thesevar‘ious compartments are, of course‘, ‘ connected up'tO‘ the ballast handling: pumps;v and "piping system not shown; of; the ‘ship and selec- I sections. of said-tween . deck, said .unionactingzas 45 moving in; opposite. directions ‘when; operatedland each counterbalancing the weight. of: the other‘ 41 An adjustable combined bridge: and‘ ramp. unit for a car-‘ferry of :thestype. described having ltively operable for desirednavigabilitythereof; an upper-anddower- deckiinthe hold thereotcom ‘However; in this ‘instance 'I- propose'ito- use such 50 prising, two normally a-butting sect-ionsuof said? compartments inccnjunetion-witntheinovelaum upper - deck 'being- hinged at their remote termini ‘iliary' compartments just ‘described to expedite ‘loading or unloading of the ship by changing-"the thei'radjacent ends, the. one: to act. as an open. ‘rare ‘and aft inclination thereof, ‘thus utilizing closure for said ramping space and the otherl'ito andv movable vertically- ' in; opposite directions ‘(at - 55 act as-a ramp :for said cars'and'means cooper atively uniting‘ the .ifreev-end's. ofv saidi sections 'F'rom‘the ‘foregoing, it’ is apparent "that I have i devised novel and simple "means-i for assistance in» to insure-said vertical- movement» in ~mg>posite ithe‘handling of cargo :as'well asutilizingthemax j gravity int-he- movement of ‘ cars “therein. directions-V ‘imurn-capacity' of that type of vessel illustrated - i > ~ .7 .