US1578353A - Antifriction bearing - Google Patents

Description

March 30 1926-. Y 2,578,353

. L F; @Commis ANTIFRIrQ-TION BEAR-LNG Filed. Jan. 1S, 192i;

, yTo all whomz't r11-Cty conce/fn.'

roller bearing, especially adapted yfor use as Patented Mar. 30,1926. 1

JOHNF. oooNNoR, or CHICAGO, ILLINOIS,Assieivomfnr assienivmiirrsf, 'ro v A W. H. MINnR,115m.,A.oonronATIoNorznnrifwvann.` Y

,ANTIFRICTION BEARING,

Application mea-Janny@ Be it'kn'oivn that LfJoI-IN F. OGoNNorna. citizen of" the v'UnitedV States, :residing at Chicago, in the county of Cook and State of Illinois, have invented a certain .new and useful 'Improvement in Antii'rictio-n Bearings, of yWhich the following is a full, clear, con'- cise, and exact description, reference being ing a part of this specification. Y

This invention relates to improvements' in'antifrioti'on bearings. f

One object v*of the invention is to provide a simple, practical and relatively inexpensive a railway ear side bearing and `wherein the pdits `al1-'eso arranged that' the 'anti7friction elementlproper is automatically returned to.,l its normal centralpositionlunder the in-` fluence of gravity', When tree from load. Another object of the invention is to .pro-

f Videla device ofthe charaoterindicated that is self-contained, all the 'parts ofwhich are maintained in permanently rassembled relation and which Ais adapted tobe applied as a unit to a bolster of a railway' car. 'l

`Other objectsand advantages of 'the 'invention will more clearly appear from ,the

and* claims hereinafter' ,follow- In the Vdrawing forming a partfof this Specification, Figure l is a vertical sectional View 'taken through the :ends of .the Abody, andv f truck-holsters of arailjvaay car, s'howing'my ilnp'roveinents inreonnectiofn therewith. And, Figure 21s a vertical sectional 'View corre-Y sponding substantially to "the line of Figure 1. A

In said drawing,` 10 Vdenotes the underside of the bodybolster and 11 the upper lside* of the corresponding opposed truck bolster.v The improved side bearing is shown as ap-" plied to .the truck bolster and comprises, broadly, a base casting, 'retaining memberv or housing" A; an anti-frictiony element properV B and countervveights 'C-C 'atthe ends of said Aanti-friction element;

. p The housing .Y'Ais of -Inore or less box-like form having curved end Walls 13--\18,.and4

vertical Vside Walls' 111-74114, eaeh'o'fftliesic'le vwalls having a laterall offset section y15 for Vja purpose hereinafter'y escribedf'A late Q12 is arranged in thebottoin of the housing," and a vhardened Wearplate 16 1s arranged on the a, 192iserian No. 6ss,944'.

lplate y12, ,and place in a recess in the bottom ofthe housing, the plate 112 kbeing securedgtolugs '1,16 of thethousing. 'The sidewalls of the housing are-/I'Jrovided with" openings 19 at'ftlie lower .ends to facilitate v the removal oi idirt, f cinders or other foreign matter 'from the housing. vRivets 20 may be ,f

usedffor securing lthefplatef12 to the truck bolster; f 1

te l

The anti-friction element B i'is inthe forni f' 'i of a cylinder adapted toroll'bacl` and yforth in either side of central normal position on the vbearing-'plate .16.` This roller is provided with anaXia-l openinglQl therethrough )to yreceive Ia pin ,22. Y Openings '23 'are fprovided .through the sidewalls l("nftliehousing in ahneinent with one another, so-'aQs-to-"per- V'init of the 4pin" being assembled Withthe 23 before the plate 16 vis applied, so that roller'whilefthe latter isin the housing. The

piny isi-entered {throughone of the openingsv p Y when the plate" is in position, thepin Willbe 1 elevated abo-vej'the opening 23, andfth'eparts Will then be -maintainedtheir assembled e v relation.

The counterbalaneedmeansl are of like member v25,]thelatterbeing in turnpivotally A kconstructionV and are arranged at the oppo- `site ends v'of the anti-'friction element proper.

The'eount'erbalanced-means areinade up of L a' plurality fof parts and inthe present' rin-- stance, each comprise a pair of. vdisks or 4rollmounted at its kupper 'cornerto .the projecting 'i Aportion the pinr 22; The rolleror disksv 26are` adapted ito move lin -the voH'set l:portions 15 of the housing, the'latter forming guidevvays therefor; The guideways areso shaped and-proportioned that they haveopl posed parallel, vertical, sidewalls, and the y'and 'when arrangedon thehanger25, they engage the opposed parallel vertical Walls 'of proper is in its l'iornialjcentral position,5thus ythev guideway vvhe'n the: anti-friction i element fr reventinor toa larve extenty an tendeno of the anti-friction'element to shift to either arrangedson opposite'fsides of the vertical ,axis of lthe anti-frictionelement. VThe top*` vl.-'flanges 27ofthegudeivays act as stopsfto e ...prevent the anti-friction element l"..l-'iftedout ofthe housing. ,y f

.The operation of the de vic *isas follows, assuming the movement of the anti-friction element properf'is to the leftasrievVCd 'in`l- Figure l. Asthe elenient'Br-olls to'the left on its bearing surfacerl, it oscillatesthe Vhangers carried thereby about their plv-' .otal centers 22, lifting. one ofthe rollers. or -disls QG-bf each pair above the other, out ofv engagement with their'coo eratinglguiding walls-0f the housingand at'tlie Sametime causes the other disks of. the pairs 4of diei-:s

i to roll downwardly oftheii" cooperating ver,-

tical guide walls, to tlieposition shown in vdotted lines in FigurejLxIt-is apparentftlia-t 'Y the counterbalanced-ineans will be in a positionr of unstable equilibrium intheposition shown indotted lines so that when the load vis released, Vthe right-hand disks under the iiifluenoeof `gravity, `will oscillate the hang` fers about their pivotal centers, vretiirniiig the anti-friction". element Yproper to normal central position, iand causing tliel.. left.lian c ldisks to rollupwardlyof their cooperating guiding walls, alllthe .disks being at the sanieelevation- V when in normal position..

should benoted Vthat the antifriction discs V.themselves contribute theinajorj portion .of

thefcounterbalanciiig weight, so that when theyare unbalanced; by reason of themovel nient ofthe roller,V and contact with the f ,tion, even when the rollerfis near Vits central -tween the oouiiterbalanced means and the gii'idesifthey are largely responsible forre-y position,-'thus producing a :maximum torque and returning. effect onY the :roller: V'causing .it

to` return'rapidly to` iioimal position. By employing the disks as shown, itis ktevideijit 'f that the friction during .thereturn movenient is greatly minimized, th-us promoting the sensitiveness ofthe return a ctioii. ,y

'l I have herein shown and described whatI now considerthe preferred manner lof cai v ofthe claims -appendedhereto I I'claim:Y Y j I .nIn an anti-friction bearing,the Combi- VnationV witlifa bearing surface; of van anti- *friction eleinent proper, arranged toniove lon said-bearing surface to either s ideof normal 'posi'tion; means connected.. to saidj eleyf'inen-t, saidaneans including a plura'lityo-f'ini dependent anti-friction. meansdisposedj to yoperate as counterbalancing weights ;.V and y ii'ioveineiit of said 'element in ent of .said element.n y

:means cooperating with` said antiQfiiction v saine during f means for. unbalaneing fthe 2. In an anti-friction bearing, the `conibi'nati'oii with'v a housing of an anti-friction element proper within said housing, and arranged yto movefroni Yside to side thereof;.

of substantially triangular supporting ineinbersmova-ble with vsaid element, and having anti-friction rollers arranged in positions to yprovide housing cooperating with said anti-friction rollers to imbalance. the sameduring niovecounterbalancing weights; Y

3. In. an'anti-friction bearing the com-r binationgwith a bearing`V surface of an antifriction element vproper adapted to move' oiisaidv bearing surface to leither side of normal position; of means pivotally `coii V lnected Vto vsaid anti-friction element, and

having a plurality of .antrfriction'means offset with respect to said connection; and

means for Vguiding said anti-friction means an angle to ythe `1n `iveni'ent 0f Y in a path at said element.v i ,4l- In, an anti-friction,bearing, the com# said biiiation .with a housing; .of ananti-.frictio'n V,elementarranged to move froiiiside lto side fof Said housing means connected f with f said l'element inclndinga plurality of anti-friction ineans arranged!'tfoperate as counte'rbalz"ii ac .iiigl weights; 'saidhousiiig being arranged for guidingsaid antiffri'ction means during movement `of said element, 'andv to'prevent. y' the` removal Voffsaidv anti-friction meansV` therefrom.

i In yan anti-frictionbearing, jthe lcom-v bination with' abearing surface;Y of ananti` V friction element .proper f adapted f tof move on saidy bearing'surface tov either sidefof normal zposition;.of guide means extending Yatan angle 'to the movement of saidele-V nient;` andfcoiinterbalancedl members oon- Y nected to said'anti-,friction element andhav-V V ing enlarged lowerl portions, includingV anti@ l friction-means arranged-to bear against said fp juide .means V to imbalance said, members during movement v of said anti-friction elebination with a housingV ada ted .to be mounted on a bolster, of an anti-friction' ingoutmyfinventioii but the same is merely illustrative and -'I -contemplate. all changes i i andinodiications that come Withintheseope element proper disposed withinsaid housing; pendant carriery frames pivotcd Yat each sideA on the axis of said element; and a' pair of disks pivotally carried by eachfrainefand being normally attlie saine elevation', said 4housing beingl provided with vertical guide' disks vof each pairfdependent upon' the 'direction inf-'which theeleinent Vis sliifted,.is elevated above the other.toafpositionjof. un-V vStablev equilibrium, the "other 'disk rolling vertically downwardly `on said 'guideway, Vwhereby when the load 1s.released,vsar1d disks will return to their norina-l positionv under .l

the influence of gravity.

7. In anv `anti-triction bination iwith a Ahousing having vertical guideways at its Sides; an anti-friction elelnent disposed within said housing arranged to rollback andorth therein; carriers pivotally hung from the axis of said element at either end; a pair of roller disks rotatably carried at the lower ends of each ofsaid carriers and engaging the opposed vertical .side walls of the guideways, whereby when said element is shift-ed to one side volfits normal central position, each carrier will be tilted about its pivotal connection with the element, to disengage one yof the discs of the pair ot' disks from its cooperating side wall and elevate it above'` the other, while the last-mentioned disk rolls vertically downwardly on its cooperating vertical wall.

8. In an anti-friction bearing, the conibination withV a housing havingvvertical bearing, the coin-f guideways at" both 'Y sides; van anti1iction eleinent disposed Within said housing to rollback fand forthy therein; a pin yprojectsaid' element;y earriers'pivotally hung'` on said pins,` and a pai-rbt disks' rotatably carried at the llower ends" of `each of said `carrierson opposite sidesiof the vertical axis of said' element, oneof the disksv ot'eachpair engaging one of the opposed vertical side walls of the guidewaysg'whereing` vertical *side vwall and elevate itV above the other,V while. the last-mentioned disk -inaint'ains its rolling Contact with` its cooperating vertical wall.

In witness that I claiin the foregoing vI have hereunto subscribed my naine this 14th day of January, 1924.

ging #axially `from the opposite ends 'of Joint FyoooNNoR.

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