US2453583A - Tilting bowl concrete mixer - Google Patents

Description

w. MULLER 2,453,583

TILTING BOWL CONCRETE MIXER Filed March 8, 1946 2 Sheets-Sheet 1 INVENTOR. WALT E R MULLER.

ATTORNVEY Filed March 8, 1946 NW. 9, H948. W LL R 1 12,453,583

TILTING BOWL CONCRETE MIXER 2 Sheets-Sheet 2 INVENTOR. WALTER MULLER.

ATTORNEY Patented Nov. 9, 1948 t t assessed Tmrmq ow CONCRETE MIXER" Waiter Muller,,zDunellen, N. J assignor to Muller Machinery flompanm; Inc., Metuchen ,Nj J., a

Y smrE-s v The-=improvementsi:re1ate--to concrete-mixers; or the like, the latter secured toithe postvilkat and the likel and inore particularly-to mixers of its upper part and torthe shelhl l'tofithe ibqtzI-xfor themtfltin'g. tbowlpr tubtype t! of mixing' drum. mutual positioning and reinforcement-sand the More-specifically the improvements relate to the fcirmer .toathe interior of saidshelL; Secured-to improvedmeohanicalmounting and control of the the-exterior; of this bowl is-; a;n;:annularh beveled tumor howl of-i-theqnachine and-parts involved rack 24] locatedjwell above tits-bottom and sates-its therein. V greatest diameteniandthis;rackis? constantlyfin Among the objects'ofthe-improvementsare the mesh'with a. :pinion l8 omthe sdrixcerkshait provisior t of arnew eonstrutionand method of I951 mountinglthe tilting mi xer drum and=its'yeke jor 10 The iyoke: l2 with therotating bowls! l sup:

improving the -eflic iencwand durability of the the-hollow pivot 1113 11 51122 I; Iseeured .to; the .top rqtw ng gears= Furtherendfmeidentetobjects 5 ofaathe.mein: upriehtimembersl ,ofgthfiframafsq In the drawings, Figure 1 is a perspective view 1 mg 210 imthe zouterr @dgesaof IthefiaHg'eS'JTZ 'f 0ft ofithemixer in e 'd bharge position -0 thechenneluformmg th'esynkeehth driYe-end and Zis a sideviewo'fthetilting lever-and mixer welding thereto a .DIQAtBiiZiW-ith enppening. 12.5mm drumpositioningend retaining echanism-omen receive 513116? pivot i l :at; the: opposite. ren :1: The emerged scale; Y j bottomweb i-,2"; Of ith Zchehnelzis; also-provided i'sia side e1evetion,-part1y in vertical-secwith apentnresri li and 1:2. q spermitthe massage tibn ,==showi n fihemixer dru m; yOkePmofint-ing ofsthebeairingigand th pivot member.respective y and thedrum positioned mechanism; al-so on' an therethrouehn The'vmohnting nithewokezonrgthe enlarged-sheila beeringi-flfl ofwthe idriscezshafitirlsnismroridediqr withinpertainlimits-without"depsrtin from-the so theichennel:through;which.;:it nfirstmasses; and sconeor the present improvementsfwhieh maiy thisiconstruetiqmendrarrangemenhnotfloniy 131*05 be iembodied apparatiisof thischaragcter of vides-f01: a strong; seeure-iandflura le pirotwn modified details=ofeonstruction and arrangement. which the yoke swings, but reinforces-ether:drive machine supportedwon whee1s 5 ir'z depending the yQke1sWil1 sWing;On: these piVQtsy tdQ-Vairyithe brackets *6 at-aoneendendon the shoe :2 when at position of; the zbowltzl I with entire-.frxeedqMfrom rest dtlthe other ends: A'pullinghan'dle 1 isfsiidunnecessaryfrietion orpbindiheaf ably connected withitheuprightmember or post l The: drive shaft; 11 9 is: driven by, @the. pulley 28 bysbing pa'ssed through: a ireinforced; aperture whiehr'inturn i silli zemby heN-r e1t129ifromtfihe 8thereimsothatwhen notin useit may be pushed pqwershai-t Qfaa suitable powehunitiin the housing in and stowed inside the frame. On the rear end ,rwhilchkisLiiemqit blewbymmeansrofir hehandieifi ofw-thevframeithe housing 9' .for the-power unit so,.-,thattthe powerrunitqcanzbesquiqkiy, lubricated (netshnwnkofthemaehineis locted. and, serviced; Arsuitableiggland maxsbe provided The mixing :bowl'o'r tub l I is mounted -for'rotaffqr lubrinatine .athe; strait 8 and (bearing 20, and tioniing the ryok.;i2,:spreferab1y consisting on a1so .:fo1:;beering it: w single u -shaped channel iron, by means of a cen-- -F.or.- the purnbsewm swingingwthe yoke:andibowl trai postwfl-uflxedthereto and projectingethrough toxvariousypositions, on-athe'ebeeringsd2fl11andl=z2t its: bottom and mounted -in'wsuitable-vhearings 13 a hand i Javier-i312 integral with: the plate- 24" im-the iowest portion of theeyokeb The howl l'l, provided, and.anextensionlw'afithenplate@2'4 with as-shownpis substantially in 'the formof a trunholes $3.1-therein concentric; :withrthe. pivot .12 1x 50f outed:monet-iand hes,omits interior cooperative thel yohecar'e providedlforlsecuringgthesyoke and mixingglbladeSdS and li fi dorrmixi'ng the-concrete mmmamm mixinezpositio s toiwhih l' itniex.

be tilted, so that the action of the mixing blades may be varied to suit different materials or different consistencies of the said materials. These holes are engaged by a pin 34 provided with a head 34' and extending through the frame member l and through the said holes of the plate portion 32, being provided with a cotter-pin 35 to prevent the pin 34 'fror'nmdvingout of engagement'with the said frame member. To discharge the contents of the bowl after mixing, the pin 34 is disengaged from the plate portion 32 and the inverted by means of the hand lever to-asufficient extent to accomplish that purpose.

WhatIclaimis: I 1. In apparatus of the character'described, a pair of upright frame members, bearing members bowl therein and projecting inwardly; therefrom, a yoke 5 formed of a curved piece of metal substantially U-shaped in cross section mounted on "the in-- wardly projecting portion of said bearing members near its ends and normally depending downweirdly between them, amixing bowl mounted for rotation in said'yoke between said bearing members and adapted to oscillate thereon with said yoke; anannular rack on the exterior of said bowl, aspinion in mesh with said rack for rotating'said bowl a driving shaft on which said pinion is fixed, said shaft" extending through and iournaled in one of said bearing members outwardly and inwardly of said yoke, said yoke-metal being provided with an aperture in its inwardly disposed web through which said bearing member passes.

"2. In apparatus of the character described, a pair of upright frame members, aligned bearing members fixed therein and projecting'inwardly therefrom, a yoke formed'o'f a curved piece of metal substantially U-shaped in cross I section mounted wholly on the inwardly projecting -portion of said bearing members near its ends and normally depending downwardly between them, a mixing bowl mounted for rotation in :said yoke between." saidbearing members and adapted-to oscillate thereon with said yoke, an annular rack on "the exterior: of said bowl, a pinion in mesh withzsaidr rack for rotating said bowl, adriving shafton which said pinion is fixed, said shaft extending through and journaled in one of said bearing members outwardly of said yoke and said bearing member extending inwardly of said yoke, said yoke-metal being" provided with an aperture in its web through which said bearing member passes. Y I l '3'. Inapparatus of: the character described, a

pair of upright frame members, bearing members therein and projecting inwardly therefrom, a

yoke formedof a curved piece of metal substantiaIlyU-shape'd in cross section mounted on the inwardly projecting portions of said bearing members near its ends and normally extending downwardly between them, the web of said. yoke metal being disposed inwardly, a mixing bowl mounted for rotation in said yoke between said bearing members and adapted to oscillate thereon'with saidyoke, an annular rack on the exterior of said bowl, a pinion in mesh with said rackfor rotating said bowl, a driving shaft on which said pinion is fixed, said shaft extending through and ,journaled in one of said bearing members and said bearing member extending inwardly of said yoke, said yoke-metal being provided withan aperture in its inwardlydisposed webv through which said bearing member passes. apparatus of the character describedya pair of upright frame-members, bearing mem ing said bowl, a

outwardly of said members secured-to and uniting the yoke-metal "flanges and spanning bers therein and projecting inwardly therefrom, a yoke formed of a curved piece of metal substantially U-shaped in cross section mounted on the inwardly projecting portions of said bearing members near its ends and normally depending downwardly between them, a mixing bowl mounted for rotation in said yoke between said bearing members and adaptedgto oscillate, thereon with said yoke, an annular rack on the exterior of said bowl, a pinion in mesh with said rack for rotatdriving shaft on which said pinion-is. fixed, said shaft extending through and journaled on one of said bearing members and "yoke, plates inside said frame the space between them andprovided with apertures through which the said bearing members pass.

5. In apparatus of the character described, a pair of upright frame fmembers, bearing memberstherein and projecting inwardly therefrom, a yoke' formed of a curved ,pieceof metalisube stantially :U-shaped in cross section mounted on the inwardly projecting portions of said bearing membersnear its ends andjnormally depending downwardly between them, a mixing bowl mount+ ed for rotation in said yoke between said bearing members andadapted to oscillate thereoncwith said; yoke, an annular ,rack on the exterior of said bowl, a pinion in mesh-with saidrack-for rotating said bowl, adriving shaft on whichrsaid pinion is fixed, said shaft' extending through and journaled in one of said bearing members and outside of said yoke, plates inside said-frame members securedto and uniting the yoke-metal thereon with said-yoke, an annular, rack on the exterior of said bowl, apinion' in mesh with said rack for rotating said bowl, a driving shaft, on which said pinion is fixed, said shaftextending through and journaled; in; one u of said bearing members and outside ofssaid yoke, plates tinside of said, frame members ,secured to anduniting the yoke-metal flanges and spanning the-space between them and provided with apertures through which the said bearing members-{pass and anextension of one ofsaid plates forming a segment and having-holes concentric withits bearing member for the receptionof a detentpto hold the same and the yoke and bowl in positions to which they may be tilted on the bearing mem bers. l :7. In apparatus; of the character, described, 3a

pair of upright frame members; bearing-ime'mber's with said rack for rotating said bowl, a driv segment and having re ing shaft on which said pinion is fixed, said bearing member for th yoke and journaled in one of said bearing memto which they may be bers, plates inside said frame members secured bers. 1 to and uniting the yoke-metal flanges and spana 9. In apparatus of the character described, a

ning the space between them and provided with pair of upright frame members, bearing members ing a segment and having holes concentric with U-shaped in cross section mounted mounted on one of said frame members movable with said yoke, means for rotating said be into and out of engagement with said holes. prising a driving shaft extending through 8. In appa tus of t a a t r d s r d, a wardly of said yoke and journaled in one of said formed of a Curved p e of metal Substansaid bearing member passes, and a plate inside to oscillate thereonwith said yoke, an annular WALTER'MULLER' rack on the exterior of said bowl a pinion 4 in mesh with said rack for rotating said bowl, a a i l REFERENCES CITED driving shaft on which said pinion istfixed, said The following references are of record in the shaft extending through and inwardly of said yoke file Of this patent and journaled in one of said bearing members, UNITED STATES PATENTS plates inside said frame members secured to and N b Name Date uniting the yoke-metal flanges and spanning the er 1 v i space between them and provided with apertures 922,212 Edmondson May 3 through which the said bearing members pass French I nd an extension of one of said plates forming a 1:453323 Palmeter May 1923

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