US1446498A

US1446498A - Tukkttablh

Info

Publication number: US1446498A
Authority: US
Publication date: 1923-02-27
Anticipated expiration: 1940-02-27

Description

Feb. 27, 1923., i

, E. FRESHWATER ET AL.

TURNTABLE.

3 SHEETS-SHEET 2'.

FILED JUNE 27, 1921.

.4&5 .5966, 45

l 50 66 43 /5/ 73 7 55 465 55] 65 5 4 y A* ,m j f 54 6625 55-. 9T o 44 'FTW Y 615 A f t] 56.45 6/ 5194/ 743226966# d 9 445 6 E 4033 La im M .'v'r Y: i 67/ Feb. 27, 1923. LMAQ E. FRESHWATER ET AL.

TURNTABLE.

FILED JUNEN, :921. 3 SHEETS-SHEET a.

da@ W Arran/Vey y Patented Febo 2?, ilil;

TURNTALELE.

Application 'meri June 2?,

To @ZZ Awier/wn it may concern Be it irnovvn that we, Enviar and Hanonn Comines, oi United States, residents oicounty of Lake, and State of "Ollio, bave invented newv and useful improvements in Turntabies, oi Wl n 'tbe oiioiling is a speciiieation, tbe p inoiple ci the' invention' being herein explained and the best mode in which We have contemplated applying 'that principie, so as to distinguish it from other inventions.,

Our invention relates 'to turnltables and particularly to apparatus of. 'tiiis character adapted to be actuated by means mounted upon 'tile table. Particularly, the invention relates to apparatus by means oi which automob'ile truc-irs may be turned, the power for turning the table being derived from the truck itself.,

The annexed drawings and the following description setV forth in detail certain means embodying' my invention, the dis-closed. means, bow-ever, constituting but one of the various mecb anical 'ieri-ns in Wlfiioli the principle of invention may be applied.

in annexed drawings:

" l represents a plan v'ievv of our n;

2 represents a vertical longitudinal section', 'taken in the planes indicated by the lines lim-H, Figure l, a outline of an automobile truck also being shown Fnnsnwsrnn ens oi? the l 3 is a side elevation, upon a reduced scale,'sliowing conditions just after the truolr tovbe turned has come upon the table; i

Figure i represents the conditions after the truck and table., sliovvn in Figure 3 have been turned thro-egli an angle. of' 180?, and lthe truck is ready to baclr 'od 'the table;

Figure 5 is a View of 'tlie table,as shown in Figure 3, 'the saine having been jacked up and mounted on road-Wheels for eiinting a change oi' the base of operations for the table., as hereinafter 'uliy described;

Figure 6 represents a vertical/transverse section, taken lin the plane indicated by the line Vl--VL Figure Figure 7 represents a 'vertical transvers section, taken in the plane indicated by th line VUM-VH, Figure fi;

Figures 8 and 9 represent vertical transeverse sections, taken in the respective planes Painesville, l

1923.. Serial No. 89,555

nal section, upon an eniarged sca-le, talren in the plane indicated by tbe line-X-X, Figure l, the 'truck and turntable conditionsbeing those shown in Figure 3;

Figure il is a vieiv similar to Figure l0, tbe truck and turn-table conditions, however, being hose represented by Figure d; and

Figure 12 is a fragmentary transverse vertical section, showing the use of certain lockingA means hereinafter fully described.

For the purposes oi illustration, We have shown in the accompanying drawings the use of the principles involved in our automatic turntable and snali also hereinafter so describe die same in connection with the building oi' improved high-Ways, in which kind of operation it is customary to establish a base for the spreading or tbe mixing machine, and 'to transport to said spreadingbase or machine the materials to be 'laid or mixed 'whence they are spread to :form the highway for a eertain distance, 00 ieet, for instance, 'the mining machine, lay ing tools and .other associated apparatus then being moved to 'the site of another base for operations, ete The materials to be Worked np are usually brought to the spreading base vor the mining; machine along but oncbigli- Way and oftentimes, various reasons, the high-Way is not suoli that it .is possible to turn the truck, 'so 'that it is' necessary to baclrthe same along the highway for a greater or less distanoe'a'iter the load has been dumped at the spreading base or into the mixer, For the purpose of illustrating the uses to 'which our invention may be ap plied and iorsliowing its construction and principles of operation, We shall-describe how its use 'Will obviate tbe diiiiculties in road building, bereinbefore mentioned.

Referring to 'the accompanying drawings, in which the same ordinals refer to the same parts in the several views, an automobile truck is designated by the ordinal l having the front Wlieels 2 and rear or driving Wheels 3. In order to climb upon or descend irom our improved turn-table, hereinafter fully described, the truck l runs over inclined approach platforms 4C and 5 of any suitable construction, 7ll`he sub-base for our improved turn-table consists of planlring 6 laid upon. the roadway lc Upon. this plank-base 8 We position an. upper or main base consistn ing of. a pair o" spaced longitudinal "l-beanos 8 and a pair oi longitudinal exterior chan-- nels 9 aligned and seeured together by means of transverse end .ll-beams 11 and a series oli intermediate transverse l-beams 1G. To the top of the base formed from the members 87 9, and 11, We secure a steel plate 12 upon which is mounted. a casting 13 *formed with an annular series oi teeth 11iso thaty in reality, said casting is a horizontally disposed lined bevel gear, the saine having a vertically extended hub 15 forming a bean ing surface Jfor' a downwardly projecting journal. or hing-pir 16 formed 'with an extended rectangular flange 17 secured to lbeams 18 hereinafter fully described. rllie turn-table proper comprises a plattorm 2O which is a. steel plate secured to a series of spaced longitudinal libeains 18l aligned' and strengthened by means olf transverse curved endlehannels 18 and intermediate transverse llbeains 19. The curvature of the approach platforms 4l and 5 and that of the channels 184 and platform 5240 are complementary, as will be plainly seen in Figure 1l The sheet steel platform 2O is termed with. four rectangular holes 21 adapted to allow, in the manner and for a purpo liereinbefore fullyl described, the truck Wheels 2 and 3 partially to drop theretlu'uB Secured to the longitudinal ll-beams 18-'are a series of ll-beani sections E225 four as shown, each being secured to .an outside l'-beam. 18 at lone end and to one `of the intermediate ll-beanis 18 at the other ends the projections of the outer ends of said l-beam sections 22 forming a. right angle Any other suitable arrangement and 4number ot ll-beani sections 22., for the purpose which l shall now describe, will as Well be Within the spirit of our invention. Depending 1from each'oli these @beam sections 22 are hangers 28 forming bearing members for pins 24 upon which rollers 25y are rotatably mounted. These rollers rest upon the face of the casting 13, Within the ring of teeth lic/l; support the platform 2O and its load7 and are made suitaljily large and strongJ f for the purpose Wliieh they serve.

Extending through horizontal hole in the kin: in 1G and mounted in bearings 27 supported. beneath two transverse l'beains 19 disposed. upon. opposite sides o `he trans-- verse 'medium plane the platform 209 is a central. longitudinal. shaft 28 to which is secured adiacent rtl/ar end a bevel gear 28f and to its extreme iront end a. bevel gear 29 and te extreme rear end a bevel. gear 30. 31 and 35i cooper ate --speetively with bei` l gears 28 and 8d4 these gears 31 and being secu to transverse shafts 38 and 8l mounted i ing iron'i -the long cured to the trans netas-ee two pairs of corrugated rollers 36 and 37i respectively, said rollers being disposed be neatli the openings 21 in the platform 2() and further disposed eaeh between an outside l-beain 18 and an intermediate iii-beam 18, all as plainly shown in Figure 1.. Rear- Wardly and )forwardlys respectirely oli the

rollers

38 and 37 are two pairs of idle rollers 38 and. 38s respectivelys mounted upon short

transverse shafts

40 and 41, orted in other journal boxes 35 depending loin the The

rollers

36, 37, 88 and 39 are ilornied with outside i'ianges

88s

37, 38 and 89, respectivelyt 'lhe purpose oiI these flanges to elwiate any possibility' ol the truck slip-ping or running oily the side of the platform 'when mounting" or, leaning the saines in the manner hereinafter iully described. l

' iSecured to the transverse shafts 83.; 84, l() and 41.). ressort-tively, and immediately outside oi the llanges 38s f, 38. 819@ are ratchet Wheels e2; cl3? end 459 respeelirely9 igure 10. ilo-operating with these ratchet Wheelss respectivelyi are pawls lo, lL-Z 48 and 495 hinged upon pins suitably secured to the outside 'll-beams 18..

A shield for the earv 1e and associated elements5 is indicate by they ordinal 51, the saine being dependent/ly supported from the Lbearns L8 and extending below and around the casting 13 for the purpose of preventing dirt and stones from entering the gear.

The ratchet Wheels 429 135 4A and lo and the flanges 3G, 37", 38. and 39'- are each formed with series 'of respectively' aligned

holes

53 and 52. Adjacent the ratchet Wheels l2s 113, 44C and llo, and secured. to the outside llbeams 18,. are blocks 54C ormedwith holes 5,5, the l-beains 18 also being; formed with aligned holes 56. The holes', 53, 55 and 56 are designed to accommodate pins 57., for a purpose hereinafter fully described9 the holes -55 and 58 being-enlarged for `a purpose .also hereinafter fully described.

Secured beneath longitudinal lZ-beams 8 and channels 9 is a pair of transverse bars 58 adapted to be disposed within suitable channels formed in a pair ot the subbase planlr members et These t y bars 58 are secured by means of und are -iorrned with. journal surfaces so as to onnnodat/e tuo pairs of road Wheels ,GO lor a purpose hereinafter fully described tl'io bars i8 being lf" spaced. and eositioned prooerly f pun posees pl. ly shown in Figure The outside eliannels 8 are orined W... adjacent the freni and rear there oeiving a grab-houle or other. suital secured to the tow-chain @15, for' urpose hereinafter fully described 'llo the approach Eglatte-ruis land are secured singles 62 which also' are removably by ineens or bolts o3 to the outside channels lill f incense posed a short distance, substantially below the bottom of the curved'transverse channels i8', as plainly shown in

Flgures

3 and 4, for a purpose hereinafter fully` described.

'The invention shown in the accompanying drawings, hereinbefore describedl and hereinafter claimed, operates and is utillzed in the following manner:

Assuming that the loaded truck l' has come upon the platform 20, over the approach platform. 4, and into the position shown in Figures 2, 3 and 16, it is evident that the'actuation of the rear truclrwheels 3 in the direction. indicated by the arrow, Figure 10, will result', through the friction between the corrugated rollers 36 and the drive wheels 3, in the turning of the shaft 33, bevel gear 31, bevel gear 29, and pinion 28. inasmuch as the gear casting 13 is fixed, the platform 26, truck 1 and its load will turn Iupon the rollers 25 to any desired position, for instance, the reversed position of the truck shown in Figure 4. lt will be noted, particularly in Figure 10, that the pawls 46 and48- are so hung as to play idly over the

ratchet wheels

42 and 44 during.

this operation. The respective elements of the table are so scaled and assembled that, during this operation, the front wheels 2 of the truelr 1 ass over and ahead of the front rollers 3 and v39. Assuming now that it is desired to back the truck 1 off from the platform 20 and down the inclined approach platform 5, the rear'wheels 3 are actuated in the direction indicated by the arrow, Figure ,11, the

pawls

46 and 48 being now so hung that they oppose the turning .movement of the

ratchet wheels

42 and 44 and hence the turning movement 'of the

rollers

36 and 38 so that the truck wheels 3 climb up over the rollers 38 and the truck leaves the platform 20. lt is evident that during these operations the

rollers

37 and 39 and the

pawls

47 and 49 have been transferred tothe relative positions shown in Figure 11, from the relative positions shown in Figure 10, so that these rollers and 'pawls are now relatively disposed the same as the

rollers

36 and 38 and

pawls

46 and 48 of Figure l0, so that the next truck can come up the approach platform 4 and be turned with the platform 20. in the manner hereinbefore described as regards the first truck. Thus the operations are repeated with a minimum loss of time and with nol idle movements of the turn-table. Furtherfor turning the table and backing off the load. llt is presumed herein for .the purposes of illustration, that the truck 1 will back up the road 7 to the mixer or spreadin area and thereI be dumped and then. drlve oil forwardly for a new load of material, passing laterally of the turntable whendriving light thereby.

rlihe purpose of the pins 57 andassocmted elements is to prevent the rotation of the

rollers

36, 37, 38 and 39, as the case may be, when it is desired tol drive forwardly ed from the platform 20 and at an angle therefrom to' the direction by which the platform 2O has been entered, if -such a necessity arises. The purpose of the plurality of

holes

52 and 53 andthe enlarged holes k55 and 5,6 is to assure the registry of the

holes

53 and 55 with -the minimum turning of the

rollers

36, 37, 38 and 33, when endeavoring to e'ect this registry.;

When it' is desired to change the base of operations ofthe turn-table, the same including the main base is jacked up above the sub-base 6 and the 'road wheels 60 mounted upon the journal ends of the bars 58, being suitably secured by pins The' turn table is then pulled by any suitable power and by means of the tow-line 61 to the desired new location, where, the table again being supported by jacks, the wheels 60 are removed and the table let down uponl a subbase 6.

rlhe purpose of the angles 62 and removable bolts 63 is rigidly to align the table and approaches 4 and When it is desired to transport the table for a long haul, it is evident that the tableas a Whole can be lifted onto a suitable truck in two units, one unit being the platform 20, rollers 25, member 17, shaft 28 and associated elements, and the other unit being the -beam. and channel base, the casting 13 and associated elements. For such a haul, of course, the

approach platforms

4 and 5, sub-base 6 and road wheels 60, would be separate units.

The'purpose of the slight clearance between the channels 18 and the

shoulders

64 and 6 5 of the

approach platforms

4 and 5 is to allow some flexibility in the turn-table proper when the loaded truck strikes the same, the amount of tilting beinglimited, however, to about 4, an amount not suflicient ,to do any damage but suicient to allow the table to turn freely.

llVhat we claim is:

1. A turn-table comprising, a platform adapted to accommodate an automobilek truckga base for said platform; a circular gear fixed to said base; a longitudinal shaft provided with a pair of gears adjacent its two ends; a third gear adapted to be turnedby said shaft intermediate said pair of gears, said third gear being adapted to co-operate with said fixed gear; a pair of transverse lll all

shafts secured to said platform and each provided with a gearladapted, respectively to c o-o ierate Withwsaid pair of gears; and two pairs of'rollers so disposed that each pair are positioned upon the 'two sides of the platform, andl adapted to co-operate with a pair ci truck Wheels to beturned by the latter, said pairs ot rollers being rotatably secured to said transverse shafts, respeotively'. 2. A. turntable comprising'7 a platform adapted to accommodate an automobile truck; a base for said platform; a. circular gear fixed to` said base; a longitudinal shaft provided 'with a pair of gears adjacent its two ends; -a third Igear adapted to be' turned by said shaft intermediateI said pair` of gears; third zrear being ladapted to co operate Awith said gear; a pair of transverse shafts secured to said .platform and each provided with a gear adapted, respec tively to cooperate with said pair of gears;

and four'pairs oi' rollers disposed tvvo pairsl upon each 'side oi' the platform; adapted, each two pairs to supportand accommodate between them, respectively, a pair'of truc-lrl wheels and to be turned by' the latter by 'frictional engagement, one'of each. of said four pairs being rotatably secured adjacent an end of said transve se shafts.

3. A turn-table comprlsmg, a support conVv .sisting of a plurality of connected. lon itudi nal III-beams and a platform secured t ereon and adapted to accommodate an .automobile truck; a base for said platform; a member having a circular gear segment and ixedto said base; airing-pin depending from said platform and a cooperating hub member secured to said tiret-mentioned member; 'aI plu# rality ci. rollers supported yby and below said ltbeams and resting upon said base; a

shaft provided with a pair of gears, one of.

said gears being adapted to 1o-operate with said fixed gear; a shaft having bearings secured to said l-beams, said last-namedshait being provided with. a gear adapted to cooperate with the other of said two gears; andV means for driving said lasomentioned shaft adapted in turn to bev actuated by the truck. I V

4. A turn-table comprising, a support consisting of a plurality of connected longitudinal -beams anda platform secured thereon and adapted to accommodate an automobile truck; a base `for said platform; a

member having a circular gear 'segment and. fixed to said base; a king-pin depending from said platform and a co-operating hub raf-lasse .A

member secured to lietrnentioned member; a plurality oft transverse rollersupports secured to and between contiguous 'll-beams; a plurality ci rollers supported by.

pports and tuated by kvthe truck.

5. A turn-table comprising, a support consistingl of a plurality ot connecited longitudinal and a pll tiorm secured. 'tliereon and ac l 1 modate an automobile truck; a base for said platform; a mem ber having; a circular gear segment fixed to said base; a king-pin dependingy irom said platform a tao-operating hub member secured to lsaid firstnientioned member; a

plurality rollers s ported by and below said ll-bearns and res upon 4saidbase; a shaft provided with a pair ogears, one oi said gears being adapted to copper-rate "with said fixed a shaft having bearings secured to said lll-beams', said, lasten ed shaft being provided 'with a lgear adapted to cooperate "With the other of said tur-o gears; and a pair ci rollers secured to said lastmentioned shaft and adapted to Icao-operate With a pair of truck Wheels to be turned by the latter. y

6. A turntable comprising, a pair of inclined approach platforms and an intermediate base consisting or' a plurality of connected channels and lll-beams; a platform rotatably mounted on said base, said approach platforms being formed with inner shoulders upon either of 'which said platform rests lwhen slightly tilt-ed; and means removably'securin the ends of said channels tosaid approac platforms.

7. A turntable comprising, a base unit and a turning unit, 'the base unit consisting of connected channels and -bearns and a circular gear fixed thereto and the turning unit consisting of load rollers, Il--beams, a platform, and a transmission including a gear adapted to cooperate with said ixed gear, all removable as a Whole from the base unlt.

Signed by us this 11th day of June, 1921..

ELMYER FRESHVJATER. HAROLD H. CUM'NGS.

'ico