US1702092A - Side-dump vehicle - Google Patents

Description

Feb. l2, 1929. 1,702,092

w. E. sHERwoop SIDE DUMP VEHICLE Filed Sept. 29, 1925 4 Sheets-Sheet l Feb. l2, 1929.

14/ TNES 5 W. E. SHERWOOD SIDE DUMP VEHICLE Filed Sept. 29, 1925 4 Sheets-Sheet 2 M YW;

W77 R11/sys Feb. 1'2, 1929.

W. E. SHERWOOD SIDE DUMP VEHICLE Filed Sept. 2,9. 1925 ma Mm 927% I 4 Sheds-Sheet .3

WLM" v w. E. sHERwooD SIDE DUMP VEHICLE Patented Fat. 12, laas.,

Unirse entre WILLIAM E. SHERW'OOD, OF AUBURN, NEW YR-E, .ftlSSGllR T0 THE ELG-LE WAGON WORKS, OF AUBURN, NEW YORK, A. UGRPGRATIYON F @TEW Ylil-K.

SIDE-DUMP VEHICLE.

Application ned september This invention relates to dump cars ofthe tiltingbody side-deliver?.r type adapted to be used delivering` coal and other materials which are capable of automatic discharge through-the outlet when the con is tilted in A the direction of said outlet. f

The main object is to provide a device of this character which may be easily and quick ly applied. tothe chassis of various makes et motor vehicles and other running gear without material, itx any, alteration thereof.

Another object is to provide opposite lengthwise sides of the box or body with suitable discharge openings and closures there- N i'or capableot being manipulated by hand in f fontrolling the discharge of the material 'trom the box through the openings.

A further'objeet is to provide simple and ei'iicient means for tilting the box laterally in reverse directions at such angles as will cause the autoinaticdischarge ot' the material thru theopenin when the corresponding closure is opened and to utilize the same .means for locking the box in its tilted position.

Another object is to construct'the box in such manner that when tilted in the direction o'l either opening the material will be automatically concentrated toward and discharged through the opening` when the corresponding closure is opened.

A `further ohj ect is to provide the box with removable partitions which when placed in operative position divide the interior ot the box into compartments, each having av detinite fractional capacity of the entire capacity of the box for carryingplural loads.

Uther objects anduses relating to specific parts ot the device will be brought out in the following description ln the drawings:

Figure 1 is-a perspective view of a dump car embodying the various features of the invention in which the dump box is adjusted to one ot its tiltin positions 'tor discharriving` apart o't' its load therefrom and also shov.` ,ig the partitions in operative position ior dividing 'the interior ot' the box into several coni* partments.

Figure 2 is a transverse vertical sectional View oi the saine device taken on 2 2, Figure l, except that the dump boi; isshown by iiull lines in its normal horizontal-position ally in oppl 29, 1925. Serial No. 59,3581.

and both of the side doors closed7 the dotted lines indicating Vthe diHerent positions to which the box` or body may be tilted in discharging the load at either side.

Figure 3 is a. horizontal sectional view through one side of the box in the planeet line 3 '3, igure Figure. l is a longitudinal vertical .sectional view taken online el-4, Figure l.

ifigure 5 is adetail vertical sectional view talren inthe plane ot line 5-5, Figure 4.

Figure 6 is a detail longitudinal vertical sectional view taken in the plane of line 6 6, Figure 9. A

Figure 'r' a detail horizontal sectional. view partly broken away in the plane ot line 7-79 Figure 4l. i

Figure 8 is a detail transverse vertical sectional vieiv taken in the plane of line 8 8, Figure 4.

Figure 9 is a horizontal sectional view taken in the plane of 9--9. Figure ll.

Figure l0 is a longitudinal vertical `sectional view taken inthe plane ot line 10--107 Figure 9, showing more particularly .the gearn ing for transmitting motion from the main ogrieratingt shaft to the crank shaft Jfor tilting Vthe box laterally in opposite directions.

This device is adapted to be mounted upon the trame A ot any standard make or special form oi chassis, preferably at the rear of the cab -aoit a motor `vehicle or upon any trailer or its equivalent. and comprises a main and suitable means for tilting-the hoX laterits various positions ot adjustment.

As illustrated more clearly in Figure 9, the main frame comprises a` pair ot lengthwise sills or -beams -3 arranged in transversely spaced parallel relation and in the Vsame horizontal plane lengthwise ot the airis and supported near their front ends upon `a transversclitT extending cross bar or channel `iron een which in turn 1s securedhyelamping bolts -5- to the chassis trame A, said sills -.-3- being provided near their rear ends with il-shaped braces -6- clamped by bolts T-'- to the adjacent rear end of the chassis 'iiaine las shown more olea-Ply in Figui@ L pair et cross bars or angle irons -S- are bolted or otherwise secured to the upper e directions and holding itin to cooperate vwith similar V--I--- are bolted or otherwise securedto the upper faces ot the sills '3 at right angles thereto and in longitudinally spaced relation and near the Jfront ends thereof for additionally holdinglthe sills in fixed relation andA also to assist in formiiigra unitary supporting trame erating mechanism as will be hereinafter more fully described.y

The cross bars 8 and VY-8- ofboth.`

sets 'extend laterally beyond and preferably equal distances from the outer faces of the sills and are, theretorefof substantially uniform ylength corresponding; approximately to the width of the box Q- indicated by dotted lines in Figure 9, the cross` bars ot each pair being arrangedV so that two ot` their iangesV will face each other in an upright position or in parallel vertical planes pairs of cross bars #l0-*and --lO-, presentlyv described`l on the underside `of thebox 24- for guiding said box in its vertical tiltingmovement and "tlso for holding vthe box against lengthwise iisplaceinent relatively to the main supportlng traine. f

Theouter ends of both pairs of cross bars tudinally extending bolts 44) and -9-- respectively, 'the bolts of' each set being parallel and preferablyv coaxial with those of the other set and are arranged equal dis- Ytances `from the outer faces `of the corref sponding sills to :form

A ulcrums about which the box #2f- Yis 'adapted to be tilted in a manner hereinafter described. j

Thecross bars -lOeand -lOL- itt@ Sei VVcured tothe underside .or bottoni ofthe box `-2-, through the medium otlengthwise angle irons l1-- and -12, the angle irons --ll-l-w being bolted orotlierwise securedto the upper faces of the cross bars VQ10- and #-102- in transversely spaced relation while the lengthwise bars --l2- arebolted or otherwise secured to the underside orbottomof the box l-Q in similar transversely spaced Y relation and are also bolted lor otherwise rigidly securedV tothe adjacent lengthwise bais'2l1d thereby establishing ay rigid con nection between the cross bars V---lO-` and .-lOJfand bottoni ot the box -2--.

' V.The oross bars *10* and -10- of each pair 4are 'spaced apart lengthwise ofthe box f tocorrespond tothe spacing of the bars @8d andi-8410i each Apair so as toinove freely between their respective pairs ot' bars v##8- and -`-8-`- `with reasonably close vcoi'itactl for the dump box'and itsop'-` therewith for guiding the box in its tilting movement and holding it against longitudinal movement lengthwise ot the traine.

provided near their outer ends with slotsV -13- which rare openat thefbottom and closed at the top, said slots being disposed equaldistances` troni'the longitudinal center of the box corresponding to the distance` of the tulcruin bolts -9 and 9-' from said llongit-udinal lc-eii'tei' for receiving said bolts and establishing pivotaleonnectio'n between them and the boxV to permit said box to be tilted about the axis oi' the :bolts at v`either side of the frame.

l That is, when'the box is in a normalhorizontal positionthe closed upper ends of the l slots torni bearings resting V upon tlifecorrespending pivotal bolts 9% and perinit'the box to be tilted 'upwardly and laterally in reverse directions about: the axislo the bolts at either side, due to the 'fact that the slots are open at the bottom.

B00@ locking mecha/mism'.

Suitable means is'p'rovided tor locking the V box in itsnorinal horizontal position to the main frame -lto hold it againstlateral tiltingV movement or vertical vibration,v par ticularly when the machine is in transit troni oneplace to Vanother in addition tothe means previously described for guiding the box in its vertical movement'and holding it'against longitudinal movementrelatively to the supporting traine and for this lpurpose is proico vided two longitudinally extending lock-bars Y The bal' 15-JS provided with a pair of locking bolts d6-- and -ld at VVor new the ends thereofand'guided in suitable apertures in the cross bars l-- and 8&4 forY supporting the bar in its 'operative position and permitting it tobe moved forwardly and rearwardly into and' out ot registering' apertures in the rear Cross barslO- and -10-` respectively onrthe underside of the box or body -lforjlocliing the corresponding side of the box'in its horizontal` position.

which are guided in longitudinally alined openings inthe front bars -,8- and 8- respectively and serve'to hold the bar '-l--v in operativeposition and to permit its-for'- ward and rearward `n'ioveinent for 'moving registering opening in the t'ront cross bars orliolding the corresponding side of said box in' its 'horizontalposition.V .1

The vrear ends oi' thewlo-el: bars l5- and an operating lever -18-'wliieh is pivoted intermediate its ends at `l9 to a bracltet 20- on the rear cross bar -10- as shown more clearly in Figure 9.

This lever extends transversely of the frame -ljust at the rear of the rear cross bar and owing to the fact that the rear ends of the lock bars -15- and -lm are connected to the lever at opposite sides of its pivot -19- it is evident that the movement of the lever in one direction or the other will move the lock bars -l5- and -lW in reverse directions, said lever being provided at one end with a handle Q1- by which it may be rocked about the axis of its pivot -19-.

ln Figure 9 the locking bolts and operating mechanism therefor are shown in their locli ing positions for holding the box in its normal horizontal plane but it is evident that by rocking the handle end of the lever #1S- from its normal position shown byfull lines in Figure 9 to the position shown by dotted lines, the effect will be to withdraw the bolts n1G and 1(5- and also -17- and 17 from engagement in their respective openings in the bars -Ml0 and -lO- on the underside of the box thereby releasing said box to permit it to be tilted laterally in either direction upon their fulcrums -9- and 9-, it being understood that when the bolts are Withdrawn from engagement with the bars -l0 and' -10- they will still be held in the registering openings in the bars 8 and --8.

Tilt/n g mechanism.

A pair of braces -22 are secured to and between the intermediate portions of the sills 3- inlongitudinally spaced relation for receiving and supporting between them a train of gears -23- and for partially supporting an operating shaft -245- and a crank shaft 425-* as shown more clearly in Fi serving as means for transmitting rotary motion from the operating shaft to the crank shaft.

rThe operating shaft -2l entends lengthwise of the machine adjacent the innerside of one of the sills -3- and is journaled near its rear end in a suitable bracket 26- on the rear end of the frame -las shown in Figures 1 and 9, trie rear end of the shaft be ine; e; l machine and is preferably provided with an angular portion 27% for the reception of a. suitable hand-crank -28- whereby it may be rotated, the rear end of said shaft being journaled in suitable bearings in the braces Q2-w, Figures 2 and 9.

The portion of the shaft #24- just at the rear ofthe bracket #26 is provided with a toothed Wheel -30- tight thereon and adapted to be engaged by a pawl or-Kdetent 3:1# which is pivoted to the bracket and (tures Q, et', 9, and l0, the gear train w23-f sily accessible from the rear end of the maybe swung to either side of the gear for engaging the teeth thereof and holdingy the shaft against return movement when rotated in either direction in the act of tilting the boxA through the medium of mechanism presently described.

rltheI crank shaft -25- is ournaled in suitable bearings 32M on the undersides of the innermost cross bars -8-- and -8' to extend lengthwise of the frame 1 parallel vith the shaft -Qew and substantially midway between the sills v3- and is also journaled intermediate its ends in suitable bearings in the braces -.-22, Figure et.

rihe opposite ends of the shaft are offset radially to form crank arms WQ- which terminate in opposite axially extending bearings 25-.

The bearings -25- are positioned directly below the cross bars -10 and 10'- respeetively and are connected thereto by separate pairs of pitmen -33- each composed of telescoping sections 434- and 35 the sections 311-- of each pair being pivotally connected at one end to their corresponding bearings -25- while the other sections S5- fof each pair are pivotally connected at 3G-to their corresponding cross bars l0- and -10 on the underside of the box, the pitmen of each pair being normally disposed in upwardly diverging planes from theirrespective bearings Q5-wf as shown more clearly in Figure 2.

rilhe pitman sections -35 are mainly tubular and sleeve upon their respective sections'-3i thus permitting relative sliding movement of the sections in tilting the box laterally in either direction.

i rhe sockets in the sleeves 35- into which the sections Stare inserted are closed at the top while the upper ends of the sections wget# are of sufficient length to nearly engage the closed upper ends of the sockets when the box is in its normalhorizontal position so that when theV crank shaft Q5- is turned about its axis in either direction the upper ends of the sections 34M at one side 7ill engage the closed upper ends of the sockets of their corresponding sections for tilt-ing that side of the box upwardly while the sections 34-Y and 35- at theV oppo`- site side will be free to slide one upon the other.

Vllhen the box is in its normal horizontal position the crank arms w-25- will be disposed in a vertical plane with the bearings #25 directly `under the axis of the shaft n5- while the upper ends of the pitmen at each end of the shaft will be engaged with the underside of the cross bars .-10- and -l\f)- on the underside of the box equal dis-Y tances from and at opposite sidesof said axis or between the anis and corresponding fulcrum bearings 9- and -9-. Y f

The gear train for transmitting rotary motion from the operating shaft Q4-4 the operator of the shaft 24rto easily Vtiltv the box with the loa-d th-erein for dumping purposes and also to restore t-lie box to its normal horizontal position in a manner hereinafter more `fully explained.

The box -2- is provided ineach of its opposite lengthwise sides withone or more, .in Vthis rinstance two, discharge openings V- those of `each pair beingV .preferably rectangular in cross section and juxtaposed edge to edge substantially midway between the ends of the box so that `when the box with the load therein is tilted toward either side they material therein vwill 'be discharged through the selected opening and into a portable chute --C-` if desired, the'end of the ment in groovedstiles 44ralong the opposite upright edges thereof.

- Each opening is also provided with a pail` of laterally swingingV chute gates and a drop`gate -46, the gates #45- being hinged `to the opposite vertical stiles of their Y corresponding opening --40- to extend the full height thereof andadapted to close against the outer face of the adjacent slide wall of the opening or bottom Vof the box to,

extend the full length thereof and is adapted to close against th'e'outer .faces ofthegclo'sedI` gates i5- and' to open downwardly and outwardly to an inclined plane for additionally directing the discharged material into the chute. y

1n other words, the swinging gatesi-4f5- and .+LE- foreach discharge opening cony stitute supplemental closures therefor when 'closed and also serve as a guide chute for the material when discharging thru saidopening, Yit being understood that `the portable chute l.-C may be removed and carriedon 1 The dumpjbox Vthe load when. the vehicle is in transit Yfrom one place `to another; Y Y y may be of any size or capa-city but when usedfor oarying coal is preferablymade of two `ton capacityv but may be tition w5()-- are shown in detail in Figure 7 while Figure 1 shows thebottom Vof the same partition with lianges %48- thereon adapt- 'cd torestfupon the-'bottomV of the box.l

The guides 5lon the front end of the box and transverse partition 'A8- for receiving the central lengthwise partition' --50 are similar to the guides-4%@ shown in Figure l ,while the Ylower edge Vvof this lengthwise partition is provided-with flanges n 50- similar to the flanges -48- to rest upon the bottom of thebox. y These bottom iianges or 'feet -4e8- and -50- on the lower edges of the Partitions 48- and -50- also serve to reinforce or stiifenfsaid partitions, the upper edges of both partitions being also reinforced by angle irons 48-f and --50-`. Y Y

rlhe opposite ends. of the reinforcing flanges -LlSL-on the upperedge of the partition -48- are preferably extended over the upper edges ofthe adjacent sides of the box to be bolted thereto by clamping bolts/ 52 to hold said partition against vertical movement if desired, but mainly to assist in holding the sides of the box against spreadving under lateral pressure ofthe load if it should be found to bel necessary.

The rear end ofuthebox-Qw is also' provided with a central dischai'ge opening to be used forl rear end discharge'when necessary,

but isl normally closed by adrop lid orgate -tf havingits lower edge hinged byjtrunnions -55- to lthebottom of the box, ligureY `adapted to enter slotted brackets -57-*on the adjacent portions ofthe box, look pins `-58-Y being removably inserted in apertures vin the brackets -57- in the rear of the lugs -56- as shown-in lFigures 4 and 5 to hold the rear end gate in its closed position.V

Y The opposite sides of .the box adjacent the discharge openings ..-40- converge outwardly or laterally in the direction' of discharge and in like manner the side walls of iio the box convergerearwardly in the direction c of the rearend discharge opening.

; The `obj ect .of these outward .converging ing when dumping the load and thereby to avoid the necessity of shoveling the material from the corners toward the openings.

'lhis construction is particularly advantageous in side-delivery dump boxes in that the tilting ot the box in either direction will cause the converging sides ot' the box or compartments to act as an inclined chute in which the sides as well as the bottom ot' the box or compartment will be inclined downwardly toward the discharge opening thereby assuring a complete discharge of the material through said opening when the box is tilted to the required angle.

Any suitable means may be provided for openingI the gates -43- one at a time and for this purpose each gate is provided with a separate operating lever -60-, those at each side of the box being pivoted at 6lto the upper intervening portion of the cor respondingside o1Q the box to swing about the same axis, said levers extending in opposite directions lengthwise of the box to opposite sides ot their respective gates to which they are connected by links -62, Figure l, the free ends of the levers being provided with suitable handles --60 by which they may be rocked vertically tor opening` and closing their respective gates 43%.

W'hen the gates are closed by the downward rocking movement of their respectivel .levers the latter will be engaged in suitable keepers m64ron the adjacent sides of the box for holding the closed gates against outward swinging movement by pressure oi' the load Within the box.

The upper edge of each gate -43- is alsoY provided with a keeper G5- adapted to engage the outer face of the upper edge of the corresponding drop lid 46M when the corresponding gates -45- and lid -46- are closed thereby assuring the retention of those parts intheir closed position as long as the gate -l3 is closed. j

Suitable means is provided for preventing the application ot the hand crank -28 to the rear end .-27- of the shaft -24- until the lever 21 has been operated to unlock the locking bars H and -15- and for this purpose is provided a guard lever 70- extending forwardly and rearwardly directly under the portion of the lever -QL- between its pivot -19- and its connection with the loclring bar as shown in Figure 9 and having its trent end pivoted at M7lto the rear cross bar -S-- ot the main supporting frame and its rear end provided with a lateral odset -72- movable to and from a position across the rear end -27- of tne shaft -24r when the hand crank 28 is removed.

The intermediate portion of. the guard lever T0- is provided with .a cam slot -73- directly under the adjacent portion ot' the lever.--2lwhich latter is provided with a pin -7lnormally projecting into the cam slot -73-, said cam slot being inclined laterally and rearwardly from the stud or pin -74- toward the handle end 2lof the lever -18-.

The guard lever -70- is held in its operative position with its offset end T2- across the rear end of the shaft 24.- by means of a spring -75-, Figure 9, so that the end wall of the cam slot *73- Will be yieldingly held against the pin -74 The lever -18 is also held in its normal locking position by means of a spring --75-7 Figure 6. j

rlhe cam slot -73- is also provided with a rearward oitset extension -73-, the open side ot' the slot being closed by a plate -77- to prevent displacement ot the pin 7fl from the cam slot #73.

Referring again to the box -2- it is pref# erably made octagonal with the openings ot both pairs in the central portions of opposite lengthwise sides and the remaining portions of said sides at the front and rear of the openings div-erging or inclined inwardly, the central portions of the lengthwise sides of the box in which are the openings -40- being parallel.

rThe opposite ends of the box are also parallel and, therefore, all of the angles at the junctions of the eight sides of the box are obtuse to facilitate the discharge of the material from either side of the box when tilted in that direction.

Operation.

it is desired to discharge the load from one side or the other of the box by tilting the same laterally in the required direction as for example as shown in Figure l, then, the first operation is to rock the lever #21- rearwardly from the position shown by full lines in Figure 9 to the position shown `by dotted lines for withdrawing the locking rods 15jand -15 from their locking positions during which operation the pin 74r- Will be drawn against the rear wall oi the cam slot -73- with a sliding engagement therewith for forcing the guard lever from the position shown by full lines in Figure 9 to the position shown by dotted lines therein thereby Withdrawing the oiset portion m'T2- out of registration with the rear end -27- ofthe shaft 24tto permit the application of the hand crank -28- to the extension -27-.

As soon as the guard lever -70- has been tripped in the manner just described, the pin JM- will have entered the offset -73- of the cam slot 7S- thereby locking the lever -2lin its locked releasing` position and also holding the guard lever in its tripping position.

YLio

lVhen the hand crank-l-QS- hasbeen appliedto the extension -27- it is rotated in the proper direction to transmit similar rotarymovementto the shaft -24-- which, through the medium of the gear train -23-, will rotatethe crank shaft -25- in the desired direction.

This rotation of the crankshaft 25- will cause its crank arms 25" to move in the same direction thereby V'forcing the pitman sections-BS- at the corresponding side 'of the axis of the crank shaft 25M upward- `lwill move from the, corresponding bearings -9-- and -9--. During this movement of the crank arms --25`in on-e direction for tilting the corresponding side Vof the box upwardly the secof the box will be partially withdrawn from their sleeve sections 35 and this movement is continued until the crank arms -25- and lifting pitmen S3-- assume a practi-` cally straight line. A That is, the crank arms ---25-d andextensible pitmen 33- constitute toggles by which the box is raised and lowered upon one or the other of its fulcrums -9' and 7 9- according to the direction of rotation of the crank shaft *S25- and these pitmen4 are constructed so that when those of either'side are used for lifting the corresponding side of vthe box to its maximum elevation ory until the jt'oggles are straightened the pitmen at the during a 'part of that movement Vand will then begin to shorten, reaching the `minimum y,shortening movement atabout thertime the first-named toggle assumes a straightened po- 's ition whereby the second-named pitmen will act vasa stop for preventing the return movement` ofV thebox when the operating shaft `-24 is locked by Vmeans ofthe ratchet -i30- land pawl #3l-" it being understoodV that the vpavvl 31A-is reversible to engage the teeth of the ratchet wheel -30-\ at either side'o'f its vaxis to hold thershaft and part operated thereby in' its box tilting position.

-Y *"By releasing the pawl `---31,-, the shaft Y. #-24- and parts'operated thereby may be returnedto their vnormalv positions andthe box re-locked by a slight lateral movement of the guard member liever J70- which'will ing position, it being understood that prior to this last operation the hand crank will have been removed to permit the return of the guard lever to its posit-ion across the extension -27-. y Y

In likemanner, the operation of the shaft 2aand parts actuated thereby may be reversed for causing the discharge of thev load from the other side of the box than that tothe bodyat opposite sides of the axis of thev shaft whereby when the shaft is rotated in'one direction the corresponding pitman will elevate the adjacent portion of the body and cause an extensionof'the other pitman.'

2. In a vehicle of the 'character described, a frame, a shaft j ournaled on the intermediate nportion 'of the frame andprovided with a crank arm, a dump body having spaced fulcrum bearings on the frame at opposite sides of the shaft, means for rotating the shaft, extensible pitmen connected at one end to the crank arm and having their other ends connected to the body at opposite sides of.- the shaft whereby the rotation of the shaft in one direction will cause one of the pitmen to tilt the body about one of its fulcrums and Acause an extension of the other pitman. r opposite side are 'gradually beingextended 3. Avehicle as in claim 2 in whicheach pitman is composed of sections slidable one upon the other. Y V y Il. A'vehicle as in claim V2 in which the fulcrums for the tilting body are disposed substantially equal distances from the axis'of the 1 shaft.

5. A vehicle asin claim 2 in which the crank arm of theshaft is disposed in asubstantially vertical position midway between the fulcrums when the body is resting on both fulcrums.

6; Ina vehicle of thecharacter described, a frame, a'shaft journaled on the frame, and provided with y longitudinally spaced Y crank arms extending in the samedirection from the axisthereof, a dump body having fulcrum bearings upon theframe equal distances from and at opposite sides ofthe shaft to enable 1 y `the bod to tilt in o osite direct' b t release the pin* -74-, from 'engagement in y pp i mns ai ou the offset slot v-734- andpermit the Vlock operating lever 2l'- to return to its lockeither fulcrum, means for rotating the shaft, and separate pitmen each having one end y moaoea' shaft and one of the fulcrums and composed of sections slidable one upon the other.

7 A vehicle as in claim 2 in which the frame and body are provided with co-operative means for holding the body and frame against relative movement lengthwise of the shaft.

8. In a vehicle of the character described, a frame having fulcrums in spaced relation equal distances from and at opposite sides of the longitudinal center of the frame, a shaft journalcd on the frame midway between the fulcra and provided with longitudinally spaced crank arms, a dump body fulcrumed on said bearings to tilt in opposite directions about either fulcrum, a pair of pitmen having one end connected to one of the crank arms and their opposite ends pivotally connected to the body at opposite sides of the crank shaft, an additional pair of pitmen having one end connected to the other crank arm and their opposite ends pivotally connected to the body at opposite sides of the crank shaft, each pitman being composed of sections slidable one upon the other, and means for rotating the crank shaft in reverse directions,

9. In a side delivery dump boX, a supporting frame having fulcrum bearings on opposite lengthwise sides thereof, a dump body tiltable laterally about either of said bearings, and means for effecting said tilting 1novement7 said means including a crank shaft and pitman connections between the crank shaft and body, said pitman connections each composed of sections slidable one upon the other and means for rotating the crank shaft.

l0. In a vehicle of the character described, a frame having fulcrum bearings in spaced relation equal distances from and at opposite sides of the longitudinal center of the frame, a dump body fulcrumed on said bearings to tilt in oppositev directions about either fulcrum, means for tilting said body aboutV either fulcrum including a rotary shaft having means for receiving a hand crank by which it may be rotated, means for locking and releasing the body in and from its normal position of rest upon both fulcrums, and means controlled by the locking means for preventing the placement of the hand crank upon the shaft when the locking means is in its locking position.

In witness whereof I have hereunto set my hand this 18th day of September 1925.

VILLIAM E. SHERWOOD.

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