US1409395A - Feeding roller - Google Patents

Description

- laire THoMasc. 11i/toners, or vRnDENBUnei-i,

COMPANY, or INDIANArOLI's, INDIANA, a CORPORATION. l

FEEDING ROLLER. Y

igaoaeaa .a citizen `oit the United States, residing at lrredenburgh, Monroe "County, Alabama, have invented a certain new and useful Improrement in Feeding Rollers, of which the followingis a full, clear, and exact description, such as will enableothersskilled in the Vart to which it appertains to make and use 'the'sa-me, reference being had tothe accompanying drawings, forming partV of this speciiication.

My invention relates generally to machines used in the manufacture of lumber, and more particularly toa feeding roller that is specifically designe-d for use in various forms of lumbermanufacturing machines. such as gang saws, edgers, and the like.

United States Letters Patent No. 1,242,020, Y

dated October 2, 1917, No. 1,177,931dated April 4. 1916,y No. 1,208,294, dated December 12,V 1916, and No. 1,241,925, datedV October 2,1917, disclose various forms ofk lumber feeding'rollers ofthe'typ'e to which my invention relates, and it is the 'principal object of my present invention to generally improve upon and simplify the construction of the feeding rollers disclosed in the aforesaid patents as well as 'other types of feeding rollers now in general use, and, further, to provide a feeding roller which is particu-` larly designed foi-'exceptionally heavy work.

'Ob\.'iousl v, the lumber fed to the relatively large and heavy Vgang saws and edgers, is heavy and hard toy handle.` Consequently, it is necessary to make the feedrollers exceptionally strong and heavy so as to withstand thehard usage and stresses to which Y they are subjected whilein service. VTherefore, it is one of the purposes of my invention to provide a feeding,rollerwhich is exceptionally strong'forits size and weight and to provide a relatively simple and eiticient construction which may be easily and cheaply manufactured. j Y 'Y Y Further objects of my invention are', to provide a. feeding roller in which the various parts are constructed and assembled so that any part which becomes.r worn, broken, lor uniitl for'service may be easily and quickly removed and replaced by a new part without necessitating the removal of the roller from `its bearing or cessation of Specification of Letters Patent.Y Patlite'd vlllalu.' '141, Application filed April 22, 1921. Serial N'o. 463,691.

the work of the machine for any appreciable time.A T7

Further objects of' my invention are, to provide a feeding roller havinglumber en'-4 gaging teeth or projections which areinterchangeable, thereby; facilitating assembly and replacement of parts, and likewise min- ALABAMA, AssieNoR. 'ro o. ATKINS AND= imizing the cost ofreplacementa 'and furi ther, to providev-afeeding roller wherein the teeth or lumberA engaging' projections are continuous throughout 'the workingv length of the rolleigthus providing for Vthe uniform- Aengagement of the lumber during feeding operations, the insuring ofthe prope'rzprogressive forward movement., and likewise the` holding-of the lumber against lateral movement during the forwardVV feeding op- Y" erations. l

71th the 'foregoing and other objeetsin view, my inventionl consists incertain novel jfeatures of construction and arrangement of'partshereinafter more Vfully described and claimed, and illustrated in theY accompanyingY drawings, in which-l Figure l is van elevationalview ofa lumber feeding roller of my improved con-l struction with a section.A 'i

VFigure 2.is an end elevational view' of the feeding rollerV with the en'd'shaft thereon in section; f

ybars positioned in' a' slot in the body of the roll.

portion thereof "in yer-tical Y Y Figure 3 is' a' cross section takenV through Figure 5'is an enlarged detail section of a portion of the roll and showing one of the tooth blocks-positioned therein.

Figure (5 isa perspectivev '-yivewofoneofV f ingdrawings. which illustrate a practical embodiment :ofvmy invention` l0 designates l the mainbody'of the roll `which, is cylindrical inform, of any vdesiredlength, and -pro` 10oy Y vided at its ends with journals 11 whereby the feeding roller is mounted for rotation Y in suitable bearings.

The peripheral portions of the journals 11 immediately adjacent to the body 10 of the roll are externally threaded in order to receive suitable jam nuts 12 that are utilized for applying end pressure to the tooth bars and ltooth blocks carried by the roll body 10, and the inner faces of these jam nuts are preferably countersunk or beveled as designated by 13 in order to engage the beveled or inclined ends of the adjacent tooth bars.

The lperipheral portion of the cylindrical body 10 is providedwith radially arranged longitudinally extending slots 14 of suitable width and depth and the inner portions of these slots gradually increase in width toward their bottoms, such construction being accomplished. by the use of a suitable tool or cutterv which engages land cuts away the lower y,portion of one of the side faces of each slot, and thus forming a beveled face 15. See Fig. 4.) The longitudinally disposed lumber engaging teeth or` ribs which project from the periphery of the feeding roller are made up of hardened metal tooth bars of the general form illustrated in Figure 6, and hardened metal ltooth blocks of the general form illustrated in Fig. 7.

The tooth bars designated by the numeral 16 are formed of straight pieces or bars of relatively hard wear-resisting metal, each bar being several inches in length land having one of its edges rounded or beveled as designated by 17, the opposite edge '18, 'is left sharp and is adapted to engage the surface of the lumber during the feeding operations. The thickness of this tooth bar which is uni,- form throughout its length, is such thatv said bar will tit snugly within any one of the slots 14 in the body 10i of the roll and the width of said tooth bar is such that the outer portion thereof or that portion provided with the lumber engaging edge 18 projects a slight distance beyond the periphery of the body (See Fig. 4.)'

The ends of each tooth bar 16 are inclined or beveled inwardly and radially in opposite directions as designated by the numeral 19.l

lt will be understood that each groove 1d, which extends the ventire length of the body 10fof the roller, receives a plurality Vof the tooth bars 16 and when properly assembled, the Aouter inclined ends 19 of therouter pair of bars are engaged by the-countersunk or beveled faces 13 of the jam nuts 12.

' In order to rigidly secure the tooth bars 16 to the body of the roll and lochr them in position in the grooves 141C, relatively short bloclrsQOi of hardened metal are positioned 'in thefgrooves 14 between the adjacent ends of the tooth bars 16.

Each of these blocks has one of its outer edges rounder or beveled off as designated by 21, the opposite edge 22 is left sharp and when the parts are properly assembled, alines withv the corresponding edges 18 of theadjacent bars, thereby forming a practically continuous lumber engaging edge Vthat extends throughout the length ot the roller. Y

The blocks 20 are relatively short and their depth or measurement from top tobottom is slightly less than the depth of the tooth bars 1G. The ends of said blocks 20 are inclined or beveled outwardly and radially as designated rby 23 and when the tooth forming members are properly assembled, these beveled or-inclinedffaces bear directly against the beveled or inclined ends 19 of the bars 1G. The lower portion of each block gradually increases in width toward its bottom and this gradually widened lower portion lits snugly within the gradually widened ,lower portionlof theV groove 14 and when moveV toward the body-of the roll, and as a Y result, pressure is applied to both ends of the rows of teeth formed by bars 16 and blocks 20, and such action very firmly and rigidly secures thetooth forming members to the body of theA roll.V As this end pressure is effected, the o uter ends of the outerpair of bars 16 will be engaged beneath the counv tersunlr inner faces of the rj am nuts 12 andthe inner ends of said outer pairs of bars and the ends ofthe intermediatebars will be positioned beneath the bevelel ends of the blocks 20. I The endA pressure applied to the tootl forming membersv will. tend to force the blocks 20 outwardly, but such movement will bev restricted by virtue ofthe fact that the lower portions of said blocks are 'considerably wider than the outer portions of the grooves 141-. vConsequently said blocks are retained in said grooves and in turn they are effective in securely anchoring the tooth-bars 16 in said grooves.v

AInasmuch as the tooth bars 16 are identical in size and construction and are inten' changeable, and'these same conditions apply to the tooth blocks 20,- themanufacture of said parts isgr'eatly simplifiedV and the cost a of renewal of parte is minimized.

Ther tooth bars 16 eanbe Yconstructed in any desired manner, but preferably by besame time miniiniziiigthe cost otproduction.. l 1

lVhile it is desirable lumber engaging edges 1S on the bars 1 6 and continuous edges 22'on the blocks 20, it may be in some instances advantageous to notch the outer edges of the bars 16 at points intermediate their ends, as illustrated in Figure 8, and also to cut away the outer corners of the tooth blocks 20,'such construction producing interrupted edges at the outer ends of the lumber engaging members.

In the event that it is desired to remove onev of the toot-h bars o r tooth blocks when the saine has become worn oriintit for sei'vice` one ot' the jam nuts l2 is unscrewcd so as to withdraw it a short distance from the ends of the adjacent tooth bars7 atteil which,

one or both ot' t-lie tooth blocks in the. row' from which the wornv or broken member' is to be removed is driven inwardly by blowsY delivered to its outer edge, which action' loosens the block and permits it to be moved leiigthwise a sutiicient distance in the slot or groove .lf-fl to permit the bars 16 to be lifted bodily therefrom.

A feeding roller ot my improved construction can bei easily and cheaply produced, is exceptionally strong and durable,V and is, therefore,particularly applicable for handling relatively heavy work, is constructed so as to present continuous lumber engaging edges on the ribs or teeth which extend throughout the length oi' the roller, and as a result, the engaged lumber is lirn'ily held against lateral movement during its forward feeding movement,

It will be l readily understood that minor changes in the'size, torni and construction otv the various pai-ts of my improved feeding` roller can be made andv substituted tor those herein shown and described, without departing from the spirit of my-invention,v the.

scope ot which is set claims.

.l claim:

l. ln a lumber feeding roll, a cylindrical body provided in its periphery with longitudinally disposed slots a plurality of tooth bars positioned in each slot, and-tooth blocks arrangediii said slots between said tooth bars. said tooth blocks having interlocking engagement with said slots and :with said tooth bars 'Y 2. ln aluniber feeding roll, a cylindrical fort-h in the appended body provided in its periphery with longi-V tudinally disposed slots5 a pluralityv of tooth bars positioned in each slot, tooth blocks arranged in said slots between said tooth bars, said tooth blocks having interloclii'ig engagement with said slots and with said tooth bars, and means on the cylindrical bodv for engaging the outer ends of the outer pair of tooth bars.

3. ln a. lumber feeding roll, a cylindrical to forni continuous.

body provided in its periphery with'longi# `tiidinally disposed slots, a plurality ot' tooth ,tooth bars, and means on said cylindrical body for engaging the outer ends or' the outer toothbars an'd'applymg end pressure to same and said tooth blocksto rigidly secure said tooth bars and the'interposed tooth blocks to saidcylindrical body.

el. ln a. lumber eed'ng roll, acylindrical body provided in its periphery lwithlongitudinally disposed slots, avplurality ot tooth bars positioned in eac-h slot, toot-h blocks arranged in said slots be-tweenfsaid tooth bars, said tooth blocks having interlocking engagement with said slots and said tooth bars, and clamping meansfat-the ends oft said slots, said tooth .bars aand blocks in each groove being. independently movable radially of said body butadapted to-pre-v sent a continuous' lumber engaging edgel when lockedby Vsaid clamping means.

A lumber.V 'feeding roller comprising a cylindrical member providedy inits periph-- ery with Vlongitudinally disposed slot-s, the inner portions of which` aref wider than their outer portions,a plurality of radially removable tooth barsV positioned. `in eacli slot, and tooth blocks interposed betweenV said tooth` bars and engaging V`the ends ot the latter against` outward radial movemenn'thc inner portions of which. tooth blocks are widened so as to engage Yin vthe widened in-` ner portions of the slots.vv i Y 6, A lumber 'feeding'roller comprisinga cylindrical member provided in its periphery with longitudinally disposed slots,1 the inner portions of which are wider Vthan their outer portions', a plurality otradially removable tooth bars positioned in each slot, toot-h blocks interposed r between said tooth bars and vengaging the ends ofthe latterl against outward radial movement, the .in-ner poi'tionsof which tooth blocks are widened so as to engage the widened inner'portions of theslots, and means for engaging the outer ends ot' the. outer` tooth barsto prevent longitudinal separation ot' same andthe interi'iiediate bars and tooth blocks and thereby lock the tooth elements to the cylindricalbody. Y .y i

7. A lumber feeding roller comprising a cylindrical Vbody provided in its periphery with longitudinally; disposed recessed slots, av pluralityof tooth ybars seated in each slot,

tooth blocks positioned in the slots between v said tooth bars,` underlying said recessed :icaY

llO

VIl() incase-5 a plurality of tooth bars seated in each slot, tooth blocks positionedin the slots between said tooth bars, underlying said recessed slots and overlying the ends et the adjacent tooth bars, and ,means for holding the assembled tooth bars and tooth blocks against lengthwise movement upon the cylindricalV member.

9. ln a feeding roller, longitudinal radially-constrieted grooves, tooth bars radially and longitudinally movable in said grooves and having ends inclined inwardly and radially, and tooth blocks longitudinally7 movable in said grooves, alternating with said bars, havingends inclined outwardly and radially and being' enlarged radially to fit saidfgrooves.

10. In a feeding roller, longitudinal radially-constricted grooves, tooth bars radially and longitudinally movable in said grooves and having ends inclined inwardly and radially, tooth blocks longitudinally movable in said grooves, alternating with said bars, having ends inclined outwardly and radially and being enlarged radially to fit said grooves, and means for preventing longitudinal movement of said tooth elements.

11. ln a lumber feeding roller, a cylindrical member, a plurality of longitudinally disposed lumber engaging ribs carried by said cylindrical member, each ot which ribs comprises a plurality of tooth bars, and tooth blocks interposed between said tooth bars, which tooth blocks have interlocking engagement with the cylindrical member and with the adjacent 'tooth bars, said tooth members being slida-ble infsaid slots to disengage from each other, and means .tor preventing such slidable movement.

1Q. ln a lumber feeding roller, a cylindrical member, a plurality ot longitudinally disposed lumber engaging` ribs carried by said cylindrical member, each of which ribs comprises a plurality of separately formed tooth bars radially removable from the cylindrical member, and a plurality of separately formed tooth blocks positioned between said tooth bars and having radially interlocking engagement with the cylindrical member and with the adjacent tooth bars.

13. In a lumber `feeding roller, a cylindrical member, a plurality ol' longitudinally disposed lumber engaging ribs carried by saidy cylindrical member, cachot which ribs comprises a plurality oit' separately formed tooth bars radially removable from the cylindrical member, a plurality of separately formed tooth blocks positioned between said tooth bars and having radially interlocking and with the adjacent tooth bars and longi- Y tudinally removable from said member, and

means tor holding the assembled tooth bars and tooth blocks against longitudinal movement upon said cylindrical member.

14. In a lumberfeeding roller, a cylindrical member provided in its periphery `with longitudinally disposed grooves, and lumber engaging members removably seated in said grooves and projecting beyond the periphery of the cylindrical member, which lumber. engaging members extend substantially the entire length of the cylindrical member, each of which lumber engaging members com-- prises a plurality ottooth bars 'radially removable and tooth blocks vlocked against radial removal but Ylongitudinally removable and adapted to engage said tooth bars to prevent radial removal thereof, and means for preventing longitudinal movement of said tooth elements.

15. ln a lumber feeding roller, a 'cylindiical member provided in its periphery with longitudinally disposed grooves, and lumber engaging members removably seated in said grooves and projecting beyond the periph-- ery of the cylindrical member, which lumber engaging members extend substantially the entire length of the cylindrical member, each of which lumber engaging members coniprises a pluralit ot alternate tooth bars and tooth blocks,fwhicli latter have interlocking engagement with the Vcylindrical member and with said tooth bars.

16. ln a feeding roller, longitudinal rai ally and longitudinally movable in said grooves and having ends inclined inwardly and radially, tooth blocks longitudinally movable in said grooves, alternating with said bars, having ends inclined outwardly and radially and being enlarged radially to tit said grooves, and ineansclamping said tooth elements longitudinally, thereby torcing said tooth blocks outwardly against radially converging sides of said grooves and forcing said tooth bars inwardly against the bottoms of said grooves. Y Y

17. In a feeding roll, longitudinal grooves, radially removable tooth elements seated in said grooves and forming a continuous tooth surface, means for clamping said elements lengthwise in Vsaid grooves, said elements when so clamped being adapted to Ybe positively locked intermediate their ends against radial removal from said roll.

- ln testimony whereof I hereunto ailix my signature this 15th day of April, 1921.

THOMAS C. MORRIS.

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