US1663832A - Turntable equipment for paving and analogous machines - Google Patents

Description

March 27, 1928.

. B. H. FLYNN TURNTABLE EQUIPMENT FOR PAVING AND ANALoGous MACHINES Filed Julya. 1926 4 sheds-sheet 1' Cinemania March 27, 1928.

B. H. FLYNN TURNTABLE EQUIPMENT FOR PAVING AND ANALOGOUS MACHINES @kwik/uma March 27, 1928. 1,663,832

B. H. FLYNN TURNTABLE EQUIPMENT FOR PAVING AND ANALOGOUS MACHINES Filed July 8, 1926 4 Sheets-Sheet 5 flor/ump March 27; 192s.

B. H. F LYNN TURNTABLE EQUIPMENT FOR PAVING AND ANALOGOUS MACHINES 4 shee'ts-sheet 4 Filed JulyB. 1926 llzz...

@Mummia l E T Patented Mar. 27, 1928.

UNITED STATES BENJAMIN I-I. FLYNN, OF NEWKIRK, OKLAHOMA.

TURNTABLE EQUIPMENT FOR PAVING ANI) ANALOGOUS MACHINES.

Application filed July 8,

'Well known types ot mobile machines l'or paving with concrete, and certain types ot cement mixers are provided with a skip for elevating a batch ot the materials to be mixed and discharging such batch into a mixing drum. This skip, on the larger machines, is designed to permit dumping ot a truck load ot material into it at one operation and in order to so dump a truck, it is necessary that it shall be turned around and backed to the skip. To accomplish this, a turntable is usually provided to be rotated by hand atter a truck has been driven torwardly onto it. This is necessarily a slow and arduous operation, requiring several laborers. Moreover, this turning is dangerous to those performing the operation, with the result that casualties are frequent.

Another drawback with the usual turntable is the diiticulty experienced in moving it from one place to another, two or more teams or a tractor being commonly employed for this purpose. lVhen paving, to obviate the necessity of moving the table any more than is absolutely necessary, it is usually placed on the grade quite a distance in advance ot the paving machine, and after each truck is turned around by means otfthe table, it is backed to the skip and dumped. Very often. the truck cannot be gotten into proper position for dumping the entire load into the skip and expensive loss of' time and trouble ensue.

It is to overcome such difficulties as those set. forth. that I have provided thu` present invention. and with this end in view. said invention has been so devised as to embody novel structural features and unique relations ot parts, hereinafter described and. claimed, the description being supplemented by the accompanying' drawings.

Figure l is a perspective view ot the turu table equipment operatively connected with a well known type ot paving machine. the skip ot the latter being shown in its raised. discharge position.

Figure 2 is a perspective view illifistraling the skip in lowered position. and in the present. disclosure ot the invention. it is this lowering ot' the skip which turns the turntable one-half revolution to reverse the truck previously driven onto it, permitting said truck to dump into the skip and then drive forwardly trom the table.

Figiir-'a 3' is a, perspective view with the 1926. Serial No. 121,203.

rotatable portion o'l.' the turntable removed, illustrating` the manner in which elevation ot the skip is utilized to raise the base of the turntable from the ground and place its weight upon carrying wheels, when said turntable is to bemoved from one position to another, with the paving machine.

Figure 4 is a fragmentary top plan view.

Figure 5 is a top plan view of the central portion of the turntable base and associated parts.

Figure 6 is a vertical longitudinal section on line 6-6 of Fig. 5.

Figure 7 is a horizontal section on line 7-7 ot Fig. 6.

Figure 8 is a detail transverse section as indicated by line 8-8 of Fig. 4.

Figure 9 is a horizontal section partly in elevation showing the preferred connecting means between the turntable equipment and the paving machine.

In the drawings above briefly described, l0 designates a portion of a well known type ot' concrete paving machine, said machine having a pivoted skip l1 at its front end which is movable from a lowered, receiving position (Fig. 2) to a raised, discharge position Fig. l), said skip when in the latter position discharging its contents into the usual drinn l2 ot the machine 10. The skip is provided with the usual raising means,

y embodying two reaches of cable 13 passing over appropriate guides 14 and having suitable connection with said skip. These cables are wound upon the usual drum means (not shown) to elevate the skip, and when said cables are allowed to pay out, the skip lowers by gravity. In the preferred form ot my invention, I make use of the weight ot the skip,ras it lowers, to effect turning of the turntable one-halt revolution, so as to reverse a loaded truck on said table, and it will be observed that by so utilizing the weight ot the skip to reverse the position of the truck, no added strain is placed upon any parts of the paving machine l0.

The paving machine is successively advanced along the grade, between the usual forms 15. said machine being ordinarily provided with endless treads 16 which travel upon said grade. The turntable equipment which I have devised for use in connection with this or a similar machine, is disposed in advance ot such machine and is connected 'with it. 'sa that the two pregi sa ne e, angie mechanism and always maintain proper operative relation. This turntable equipment Will now be described.

A base B is provided with normally idle rollere` or Wheels 17 'which may either run upon the forms vl5 or upon the Agrade and may be shaped accordingly. lllornial'lyj this)4 base B reste upon the round, but provision is made, hereinafter described, for l"l 'no' said base free of the ground and enppY its Weight upon the Wheels l'] When the vturntable is to be advanced with the meohine l0.

The rotatable portion lt ot the turntable ie Supported by the base l and While it i it be Aof flat-topped construction, it is piedrably of ramelile form and einhodieisv tivo channel-shaped tracke 18 to receive the :Wheels oli' .a .motor truclr T. The bese -il includes two channel-Shaped aipvil'iroaclies l) which incline to the tracks4 187 iierrnitl'ii truck T to be driven forwardly onto d Atracks as will be clear trein F l. deumid- 'ingl to the present disclosure oit' the invention, the truck is `driven onto t-beec tracle when the Skip ll is raised, and provie' n is ,made for ,automatically tu fling' tl Y, table portion R one-half revolutie-i as ,i' skip is vlowered to receive ,the mare ial Ltrom the loaded truck. When the .truck ia thus turned around, its rear Wheels are positioned so that they may 'travel Arearwardly onto fixed ele vated tracks 20 which are rigidly carried by the base B, .and the front end oi' the :ildp ie. provided With an elevated pl ti'orin `2l or other desired means, onto Wlch the rear Wheels of the truck may be backed?, to the limit permitted by the Stop Thus, the truck may be cleanly dumped into J die Skip 1 1, and the load will be discharged cloefcr lo the ,Skip pivot ll', than im ordinarily posible. Hence, the machine may elfV `be loaded Skip With the expenditure ot' lese power thru: is 110W commonly necessary'. Moreover. les-fi lStrain is: placed npon the cables: 'i3 and :inflociated parte.

After the truck has dumped i Fig. '2. Then, the elip ll may `be to Vdiecliarc its load and provision is made whereby this elevation oil' the elrip Will not `:move the turntable portion R. rlhufi. no added load is placedupon the machine l0. After one trucl: leaves, the entire aeeembly oit parte is 'ilnrreadineee to receive another truck, and the operations above defined, are then repeated.

lvhen the praying?r machine l0 ie to be vadvii-need along the grade, the Wheels 17 are brought into play to carry the Weight of the turntable equipment and it may here be e2;- plained that when the base B and the portion R are elevated and their Weight placed upon said Wheels li', the approaches 19 and the reeeeee spirit o-l" or :iacrilicing any el' die advantages of `the invention. For illustrative purpocose one practical wey of constructing the machina here been illust ted in thedrnwinggefi end will noiv be `ifpecideally desscribeel.

The base l includes tivo parallel longitui dina-l sills 23 Whose :liront ende tarry the approaches 19 and Whose rear ends carry the traclre 20. These faille are. .igii'lly secured to liront and reesr7 tran benino fiel which may be termed oft cliann l steel, and near tbe outer ends oit these beams, the latter are cou nected. by inner and outer longitudinal lull-ey or beanie and E2G respectively. A 'third transverse beam 27 if; preferably interposed between the beams Q-:l :inl Secured to the members and 2G. For a purpose to appear, the ends' of the beam 27 are provided with cable guides 2S, one pair oil guides being` disposed at each end ot se id beaim.

The wheele 17 arrecarried by cranked axles 29 mounted in appropriate bea at the Aende oit the beams 9A? said axlce lim/*ingup standing arms SO, to which cables: 3l o mnectedy Said cables; .extending around tlvc guider 29, and inwardly toward the center of the buse, the, inner ende ot `Suid ce s beine connected lo two cable reaches Si), which may, at the zoulrol olf llw operator, be Wound upon a drum 'll (een more prrticulorly (l :and eo windin j the cable .reaches Sib the :az-mr4 lll more "he cranked zii-:lee in a manner lo `@une the lx1. B to rise lxee ot the crouml. pl ing its on yr the d ruin rotation ol oi ed when the iced to l" ne require@ .In lowered onto the i Seil i" are provided with radially positioned rollers 38 mounted in appropriate brackets 39, said rollers traveling upon an' annular track 40 which is suitably secured to the base I3. In addition to the tracks 18, the table portion R preferably includes three transverse bars 41, 42 and 42, the ends of these bars being secured to said tracks. The bar 41 is centrally positioned and is formed with an opening through which the shaft 34 passes. Thus, this shaft and associated parts constitute a central pivot about which the turntable port-ion R rotates, so that the rollers 38 need not be provided with flanges to engage the track 40 and hence a great deal of friction is eliminated.

A large driving gear 43 is provided for the turntable portion R, said gear being secured to said table portion in any desired manner. In the present showing, it is fastened by bolts or the like 44 to the transverse bar 41, and ball bearings 45 may if desired, be interposed between said gear and the bolster 37, it being of course understood that similar anti-friction bearings could be used at any other desired points on the machine.

A short longitudinal bar 46 centrally disposed, is shown extending rearwardly from the beam 27 to the rearmost of the beams24. In any desired manner, this ,bar 46 supports an upstanding stub shaft 47 which is disposed behind and parallel with the shaft 34. Rotat-ably mounted on the upper portion of this stub shaft 47, directly under an appropriate brace 48 for said shaft, is a driving pinion 49 which meshes with the gear 43. A drum 50 is rotatably mounted on the shaft 47, under the pinion 49 and a. oneway driving connection, such as a ratchet mechanism 51, .is employed between said drum and pinion. This ratchet connection comes int-o play to drive the pinion 49 by means of the drum 50. so as lo rotate the portion R of the turntable, when said drinn is driven in one direction. The ratchet connection also permits retrograde rotation of the drum 50, without similarly rotating the 'pinion 49.

A cable reach 52 is wound in such a direction upon the drum 50, that a pull upon said cable will drive said drum in table turning direction. This cable reach 52` in the present disclosure, passes around a suitable cable guide 53 on the base l5, around other guides 54 and 55 carried by the machine 10, and is connected with the skip 11, there being some slack in said cable reach 52, when the skip is raised as in 1. Thus, by the time the skip has lowered to such an extent as to well offset its weight from direct downward action on the pivot 11', this slack is taken up, and the weight of the skip in descending, then pulls upon the cable reach 52, effecting rotation of the drum 5() in table-turning direction so as to effect one-half revolution of the table portion R, reversing the position of the truck previously driven onto the tracks 18.

Any desired means, such as a brake 56, acting on a portion of the drum 50, may be provided to arrest the movement of the rotatable table portion It, and a lever 57 has been shown suitably mounted upon the base B and connected by a cable or the like 58 with said brake 56, for the purpose of operating the latter.

Provision is made for rewinding the cable reach 52, upon the drum 50, when the skip 1l is again raised. To accomplish this, I prefer to provide a second cable reach 59 wound on the drum 50 in the reverse direction from that in which the reach 52 is wound. This reach 59 is passed around a cable guide 60 on the base B and around another guide 61 on an arm 62, said arm projecting forwardly from the frame of the machine 10 and being suitably braced to the latter, as indicated at 63. The upper end of the reach 59 is connected to the skip 11. Thus, cach time the skip is raised, the cable 59 is unwound from the drum 50, causing rotation of the latter in such a direction as to rewind the cable 52 thereon, the ratchet connection 51 then coming into play to permit the idle retrograde rotation of the drum. Obviously, when the skip 11 lowers, pulls upon the cable 52 and turns the drum 50 in tableturning direction, the cable 59 is re` wound upon said drum, in readiness for further performing its function.

I have made novel provision whereby, when the paving machine 10 and the turntable equipment are to be advanced as a single. unit, the last upward movenient of the skip 11 before such advancement is to be made, is utilized for lifting said turntable equipment free from the ground and placing its weight upon the wheels 17. The mechanisni for accomplishing this result is shown in Figs. 6 and 7.

I have previously described themanner in which rotation of the drum 38, in one direction, would effect the desired raising of the turntable equipment, so that it may be moved upon its wheels 17. I will now describe the manner in which this drum 88 is rotated in the desired direction. In the figures just referred to, it will be observed that a gear 64 is secured to the drum 33 and meshes with a pinion 65 which is rotatable and slidable upon the stub shaft 47. Co-acting clutch means 66 are provided on this pinion 65 and the drum 50, so that when said ineans are engaged, the pinion 65 will be rotated, causing it to rotate the gear 64, thereby driving the drum 83 to attain the desired end.

For elevating the pinion 65 to interengage the clutch means 66, I have operatively connected a suitably mounted lever 67 with said pinion, and have provided an operating cable IIO fifi

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(38 :tor said lever, said cable passing,- over appropriate guides (59 and extending,` rearwardly to be controlled by 'the operator of the machine l0. rlhus, whenever the operator is in readiness to advance the machine and the turntable equipment, .it is only necessary to actuate the cable 68 in the proper manner when raising the skip ll. Then, the cable 59 rotates the drum 50 and the latter, by means or the inter-engrigi-ncr clutch means (i6, drives the pinion 65. liis pinion .in turn drives the rear (il and the drum 33 is .thus rotated :to wind the cables 32. 'lhese cables pull upon the cables 3l, turninp' the cranked .ailes 29 so as to raise tl ne entire turntable assembly clear oit the ground and place its weight upon the wheels l?. Then, as the turntable assembly is connected with the machine l() .tor advancement with the latter, the entire assemblage may be 'tor- 4wardly moved to the desired extent.

rlhe preferred manner et connecting the turntable equipment with the machine l0, is shown most clearly .in Vlligs. l, 3 and 9. From these views, it will be seen that a horizontal-ly positioned, "ll-shaped trame T is inter-posed between the machine l0 and the hase B. The arms of this trame 'i'O are pivoted on transverse axes 7l to the rear end ot the base B, `and the arm-connecting, rear portion of said frame 70 is connected with the liront end of the machine l0, preferably with its front axle 72. ln establishing;` this connection, l prefer to provide a transverse horizontal rod Wl spaced in liront ot the aide 72 and having rearwardly turned ends 75 which are suitably secured to said axle. A slide T6 is provided with rollers 77 movable along the rod 74; and by anyV desired means such as a holt T8, said slide is connected lo ,the aforesaid arm-connecting portion or the trame 70.

The connections employed at the Vtrontand rear ends ot the 'trame Y0, not only permit the necessary vertical. movement. oli the turntable assembly ttor' purposes above set forth, but the slide `76, rod 74tand associated parts, permit `slight relative movement oll the machine l0 with respect to the frame TO, which. is essential, itis practically impossible to advance the euml some paving machine kexactly down the center oli'tbe grade liilh'ile excellent results may be obtained trom the lgeneral construction herein shown and described, it, is to he undenstood that the present disclosure is principally Yl'or illustrative purposes, and that within the scope ol the invention as claimed, numerous variations may be made.

l/ilhat is claimed is :-d

l. In combination with a cement mixing mach-ine; a truck turntable adjacent said. machine upon which to forwardly drive a loaded truclgand means operatively connecting,` said turntable with a movable portion of Lees-resa said machine for utilizing the movement of said portion to reverse the position Aof the turntable, permitting dumping of the truck at the moetI advantageous position and allowingforward driving of said truclr from the turntable.

ln combination with a cement mixing machine lniving a ship vmovable 'from a lowered receiving position to a raised discharge position; truck turntable adjacent `the ship when the latter is loweredr lend positioned to receive a for fardly driven truck, and means ttor automatically turningsaid turntable one-balli revolution when sa-id s lp lowers, thereby reversing the truck to dump into the skip and permitting forward driving oi said trucl-r from the turntable.

ln combination with a cement mixing machine having; a slrip movable from a lowered receivino' position to a raised rdisi charge position; a truclr turntable adjacent the skip when the latter is lowered and positioned to receive a forward-ly driven.

truck, and means tor automatically turning said turntable one-h alt revolution when said lll) ship lowers, thereby reversing the :truck to f dump into the skip and `permiitti-ng "orward driving;1 of said truclr from the turntable, said means including provision for permitting the turntable to remain stationary while the skip ascends.

ll. ln combination with a cement mixing machine having a skip movable from a lowered receiving position to a raised discharge position; a `ruck turntable vadjacent the skip when the latter is lowered and positioned to receive a forwardly driven truck, and n eans connected with said skip for utilizingl the weight of the latter to turn said turntable one-halt' revolution when saidskip lowers, thereby reversing the truclrL to dump into the ship and permitting,` forward driving ot said truck from the turntable.

ln combination with a cement mixing machine having a skip movable 'from a lill) lowered receiving' position to a raised die charge position; a truck turntable adjacent the sin' p when the latter is lowered and `positioned te receive a `forwardly driven truck, ,j ring for turningsaid turntable, a drum iaving a one-way driving connection with sa id gearing for driving the latter in tableturning direction, a. cable wound on said drum and connected with said slrip for turning the drum in table-turuin,edirection when the skip descends, guiding means lor said cable, and means for retrogradel-y `rotat-ing` said drum as the skip is raised, thereby rewinding said cable.

6. ln combination with a cement mixing machine having a skip movable from, a lowered receiving position to a raised discharge position; a truck turntable adjacent the slrip when the latter is lowered and positioned to receive a :forwardly `driven truck,

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gearing for turning said turntable, a drum having a one-way driving connection with said gearing for driving the latter in tableturning direction, a cable wound on said drum and connected with said skip ior turning the drum in table-turning direction when the skip descends, guiding means for said cable, a second lable wound reversely on the drum and connected with said skip for retrogradely rot-ating said drum to rewind the tirst named cable as the skip ascends, and guiding means for said second cable.'

7. In combination with a cement mixing machine; a truck turntable adjacent the same and having a base which normally rests on the ground, normally idle wheels for said turntable, and means connected with a movable portion of said machine for utilizing the movement of said portion to raise the turntable free of the ground and place its weight upon said wheels when the table is to be moved from one place to another.

8. In combination with a mobile paving machine having ay skip at its front end movable t'rom a lowered receiving posit-ion to a raised discharge position; a mobile truck turntable in advance of and connected with said paving machine for progress therewith, said turntable being positioned to permit :torward driving oi' a loaded truck onto the same, and means for automatically turning said turntable one-half revolution from its truckreceiving position when t-he skip is lowered, thereby reversing the truck for dumping into said skip and permitting forward driving ot' the truck from said turntable,

9. In combination with a mobile paving machine having a skip at its front end movable from a lowered receiving position to a raised discharge position; a mobile truck turntable in advance otand connected with said paving machine for progress therewith, said turntable being positioned to permit forward driving of a loaded truck onto the same, and means for automatically turning said turntable one-half revolution from its truck-receiving position when the skip is lowered, thereby reversing the truck for dumping into said skip and permitting forward driving of the truck from said turntable, said means including a one-way connection permitting raising of the skip without turning the turntable.

10. In combination with a mobile paving machine having a skip at its front end into which to dump paving material from a truck, said skip being movable from a lowered receiving position to a raised discharge position; a mobile truck turntable in advance ot and connected with the paving machine for progress therewith, and operating connections between said skip and said turntable for utilizing movement of the former to turn the turntable.

11. In combination with a. mobile paving machine having a power-raised gravity-lowered skip at its front end; a mobile truck turntable in advance ot and connected with said paving machine 'for progress therewith, and operating connections between a part oi said paving machine and said turntable for utilizing the weight oil said skip to turn the turntable as said skip lowers.

l2. In combination with a mobile paving machine having a power-raised gravity-lowered skip at its 'front end; a mobile truck turntable in advance of and connected with said paving machine for progress therewith, and operating connections between said skip and said turntable for utilizing the weight of said skip to turn the turntable as said skip lowers.

13. In combination with a mobile paving machine having a skip at its front end movable troni a lowered receiving position to a raised discharge position; a mobile turntable having a base in advance of and connected with said paving machine for progress therewith, co-acting gearing mounted on the base and the rotatable portion oit the turntable ior turning the latter, a drum mounted on said base, a ratchet connection between said drum and said gearing for driving the latter when the drum is turned in one direction and for permitting idle retrograde turning ot' said drum, a cable wound on said drum and operatively connected with a part ot the paving machine igor driving the drum in table-turning direction when the skip lowers, guiding means for said cable, and means for retrogradely turning said drum as the skip is raised, thereby rewinding said cable.

lat. In combination with a. mobile paving machine having a skip at its front end movable from a lowered receiving position to a raised discharge position; a mobile turntable having a base in advance of and connected with said paving machine for progress therewith, co-acting gearing mounted on the base and the rotatable portion oi the turntable for turning the latter, a drum mounted` on said base, a ratchet connection between said drum and said gearing for driving the latter when the drum is turned in one direction and ior permitting idle retrograde turning ot said drum, a cable wound on said drum and operatively connected with said skip for driving the drum in table-turning direc-tion when the skip lowers, guiding means tor said cable`v and means for retrogradely turning said drum as the Yskip is raised, thereby rewinding said cable.

lo. In combination with a mobile paving machine having' a skip at its trent end movable -from a lowered receiving position to a raised discharge position; a mobile turntable having a base in advance of and connected with said paving machine for progress therewith, co-acting gearing mounted on the flu titl

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Lacasse base and `the rotatable portion oi the turn-0f having a. base which normally rests upon table for turning the la ter, a drinn mounted on said base, a ratchet connection between said drum and said gearing tor driving the latter when the drum is turned in one direction and for permitting idle retrograde turn ing ot said drum, a cable wound on said drinn and operatively connected with said ship for driving the drum in table-tiiirning direction when the skip lowers, a second cable wound reversely ou the drinn and Operatively connected with said ship ttor retrogradely turning the drum to rewind 'the hist named cable as the ship is raised, and guidingl means 'lio'r said cables.

1G. ln' combination with a mobile paving machine adapted to be intermittently advanced along` a grade and having a receiver at its front end in which to dump paving material from a truck; a truck turntable in advance of saidpafving machine and normally resting upon the grade, normally idle wheels for said turntable, connecting means between said paving machine and said tarntable for advancing the latter with the tormer, and means driven by a 'part el? .said paving machine igor raising the turntable `lrom the grade and placing its weight upon said wheel's'when the' pavingmachine and turntable are to be advanced.

17.` In combination with a mobile paving machine adapted to be intermittently advanced along a. grade, said machine having a skip at its fronti end movable from a lowered receiving position to a raised discharge position; a truck turntable in advance ot said paving machine and normally resting upon the grade, normally idle wheels for said turntable", connecting means between said turntable and said paving machine for advancing the former when the latter is advanced, and manually controlled means actuated by a part of the paving machine tor raising the turntable form the 0'rade and placingits weight upon said wheels upon the last ascent of the skip prior to advancing the machine. l

18.V ln combination withv a mobile paving machine adapted to be intermittently advanced along a grade, said machine having a slri'p at its irontl end movable from a lowered receiving position to a raised discharged position; al truck turntable in advance oi' said paving machine and normally resting upon the grade, normally idle wheels for said turntable, connecting means between said turntable and said paving machine for advancing the former when the latter is advanced, and normally inactive manually controlled means actuated by said ship tor raising` the turntable and placing its weight upon said wheels upon the last ascent of the skip prior to advancing thev machine.

19. In coinbinzution with a mobile paving machine; a truclr 'turntable in advance therel the ground, normally idle wheels 'for said base, means lor raising said base tree ol' the ground and placing the weight ot the turntable ony said wheels when said. turntable andl machine are to be advanced, a substantially horizontal U-shaped 'trame extending be* tween the paving machine and saidbase, means pivoting the arms of said 'iframe to said bafse, and means connecting the ar1nconnecting portion oithe trame tothe paving machine, said connecting means being associated with said paving machine in a mank ner permitting transverse shifting' oli the traine and vertical swinging of said frame.

20. ln combinationwithy a cement mixing machiiie having a pivot'ed slrip movable trom al lowered :receiving positionl to a raised discharge position, and a truck turntable adjacent sai-id ship' when the latter is lowered; meanscarried by said ship and spaced above bottom te receive the rear wheels of truck backed partially from the turntable, permittiiig cleandumping of the truck' at a, point relatively close to the ship pivot.

ill. ln combination with a cement mixing machine having a pivoted slrip movable :trom a lowered receiving posit-ion tol a raised discharge position; means carried by said skip and spaced above its bottom to rel eeive the rear wheels ot a truck,` permitting clean dumping oi the latter at a point relatively close to the ship pivotn 22. ln combination with a cement mixing machine having a pivoted ship movable from a lowered receiving position to a. raised discharge position; a truck turntable out-- wardly spaced from said sltip when the latter is lowered, said. turntable having a base provided with elevatednieans extending 'towaild the ship toreceive the rear wheels of a truck backed partially from the tinntalble, and means carried by the ship' and spaced above bottom to' receive said rear truck wheels when the truck is further backed, permitting clean dumping of the truck alt a point .relatively close to the skip pivot.

231 ln combination with a mobile paving` machine having a receiver at its iron't end into which to dump paving material from a truck; a mobile truck turntableupon which to forwardly drive a loaded truck, said turntable being disposed in advance of and connected with said paving machine tor progress therewith, and means connected opera *ely with" and actuated by a movable portion ot' said paving machine tor utilizing the movement ot said portion to reverse the position ofthe turntable, permitting dump'- ing of the truplt into the' receiver qand allowing roi-ware driving et said truck troni the turntable.

ln testimony whereof l have hereunto atlixed my signature.

BENJlflllllli FLYNN.

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