US2602711A

US2602711A - Attachment for newspaper press inking roller shafts

Info

Publication number: US2602711A
Application number: US171590A
Authority: US
Inventors: Arnold L Imshaug
Original assignee: ALICO Inc
Current assignee: ALICO Inc
Priority date: 1950-07-01
Filing date: 1950-07-01
Publication date: 1952-07-08
Anticipated expiration: 1969-07-08

Description

y 1952 A. IMSHAUG 2,602,711

ATTACHMENT FOR NEWSPAPER PRESS INKING ROLLER SHAFTS Filed July 1, 1950 INVENTOR ARNOLD l IMSHALJG BY a M ORN YS Patented July 8, 1952 UNITED sw g-s e j 2,602,711 I g Arman-Mammy. NEWSPAPER rnsss INKVING ROLLER SHAFTS Arnold L. Imshaug, West Springfield, Mass, as-

s'ignor to Alico, Inc'., West Springfield, Mass, a

corporation of Massachusetts I Application uiyi,iesmse i iumivnseo r I 12 Claims.

This invention relates to anattachment-"for the shaft of an inking roller in a newspaper printing press:

The present applicationis a Continuation in part of my pending application Serial No. 86,186,

filed April 8, 1949, and'now-aba'ndoned; Claims pounds. They are mounted as is well known in the art todistribute and spread the ink on an ink drum, to transfer theink from the ink drum to intermediate distributor rolls, andfinally to transfer an ink film from the latter to the press plate cylinders. There are several inkingrolle'r's in one press unit and all of them are more or less I frequently removed from the machine for repair and replacement. Therubber facing may 'need to be re-surfaced; the roller may require truing or grinding; indentations may have injured the surface and require removal; a paper web may break and become wrapped around the rollers;

the rollers may need re-setting for adjusting the c contact pressure against a cylinder or drum. For 1 any one or more of such reasons an inkingroller is removedfrom time to time from its supporting brackets in the press.

The comparative frequency with. which inking rollers are removed and installed have heretofore made :the mounting of the same at. particular problem with reference to the bearing. supports for the roller. shafts. 1 I ,The usual support consists of a bracket'h'aving a socket with a split bushing therein to receive the end of aroller shaft. .The upper half .of the bushing is mounted in a cap member-which is held clamped to a lower half of the bracket to holdthe shaft for rotation'in the bushing.---v Various arrangements for ball bearing support of the inking roller have'been suggested without success in view of the necessity for-frequent removal of the same. Itis an object of my invention to provide an attachment permitting use of a ball bearing assembly. v

A still further object is to provide an attachment which may be readily applied to inking the inking roller'from' a press.-

roller shafts already in use on existing newspaper press installations. v

A further and specific object is to disclose an attachment "construction'in which the bearing assembly may be lubricated without removal'of Other objects and advantages of the invention will be apparent from a consideration of the following specification in conjunction with the accompanying drawings, in which:

Fig. 1 is a sectional view of one form of-attachmentsupported in a roller bracket withan inking roller shaft mounted therein; 1

Fig. 2 is anend view of the bracket holding the assembly;

" Fig. 3 is a view similar to Fig. 1"sho wing a 'mo'd- 'ified attachment structure;

Fig. 4 is a similar, view of another modification of said structure; and

Fig. 5 is a similar view of still another form of attachment structure. v

' A usual mountingbracket I (Fig; zlis'attached to the" frarne of a newspaper press tosupport one endof an inking roller shaft, as will be readily understood by those skilled in' the art. A similar bracket (not showmlsupports the other endof the shaft. 'The holding means for the shaft comprises lower member 2 'witha" lower socket half 3 provided thereinwith a cap 5 pivotally 'joined as at- 4 to member 2 Cap 5 is provided with an upper complementary socket half 6. The .cap is held in clamped positionby a wing nut and bolt assembly I pivoted asat 8 on member 2. A slot 9 is provided in the cap to receive'the pivoted bolt in the clamping relation The clamping arrangement as thus far described is of the, usual construction. 'Forsup-J portingthe end of an inking'r'ollershaftg however, in prior art construction, a split bushing is generally provided with each half thereof mounted'in socket halves 3 and 6. The bushing supports a reduced end of the roller shaft for bearing support therein. The bushing as will be seen is notnecessary to the combinationof and dislodging of bearing balls.

sembly [5. The bearing 15 is adapted for insertion as by a press fit and as shown carries the reduced stud end l5 of an inking roller shaft I! for rotation therein. In this form of the device as in the other forms herein described the bearing as at [5 has an inner and outer race with antifriction rolling elements therebetween. The outer race supplies the stationary load support portion and the inner race supplies the load moving part of the bearing, the load moving part receiving the end of the roller shaft as at It,

. the -sleeveis restricted by a stop pin l9-fixed in the wall of the sleeveadjacent its opening, the pin projecting inwardly to lie in the path of col- -lar 13 between inking roller and the collar. .Pin 19 is threaded in the sleeve wall and is removable to permit withdrawal of the shaft for purposes of repair.

The provision for limited angular movement of vthe sleeve axis with respect to the axis of the roller shaft 1! permits removal of the inking roller from the press without buckling of the shaft support at the juncture of the bearing and roller shaft. In prior instanceswhereball and roller bearings have been installed as the journal connection for an inking roller shaft the removal of the clamping means has resulted in a buckling and twisting at the bearing socket connection thus causing displacement of the-bearing races The weight of the inking roller and generally inaccessible position of the sameion the press for manual support of-the'shaft immediately adjacent the roll :cylinder portion causes a severe strain at the bearing connection whenever the axis of the bearing is not held in alignment with the roller shaft axis. Removal of a clamping member such as cap 5 of course releases its hold on a mounting stud whenthe pressmen are preparing to lift the roller from thepress.

It will. be appreciated that with the special structure herein described the mounting stud H will bemaintained substantially in axial alignment with the roller shaft l1 Whether clamped in the socket of the bracket or lying free of cap 5. It will be further appreciated that the special structure as described may be readily adapted to inkingrollers already in use on existing news paper, press installations. An ordinary roller shaftmay be machined to provide a tip end as shown by Fig. 1 and the attachment assembly coupled on1the end of the shaft. A modification of the structure of Fig. 1 is shown by Fig. 3. It comprises several parts with a stud 2| for mounting in a bracket, a collar 22 fitted on the inner end, of the stud and provided with" exterior threading to receive the internal threading of an elongated sleeve 23 encasing the end portion of the shaft 24 of the inking roller 25. 'An inner shoulder 26 of the sleeve recess holds ;a bearing 21 between the shoulder and the collared end of stud 2!. The end of shaft 24 is journaled in the bearing. Spaced from the end of the shaft and adjacent the opening of the Shaft I! and collar l8 are sleeve a radially extending pin 28 is fixed to the shaft. An inturned flanged portion 29 of the sleeve restricts Withdrawal of the shaft outwardly of the sleeve, the shaft pin 28 acting as a stop. The flange 29 being spaced slightly from the adjacent surface of shaft 24 acts to restrict angular movement-of the sleeve axis and'maintains the bearingalignment whetherstud 2 i is clamped in the socket or not. A slot 30 in the flange is provided for removal of the shaft 24 by permitting passage of pin 28 through the same.

. Fig. 4 shows a further modification of the structure of Fig. l. A mounting stud 3H for hold- .ing the attachment in the fixed support is provided with a *circular cross-head or collar 32 at its inner end. The collar is threaded into an enlarged end opening of an elongated sleeve 34.-

The stud 3| is held securely in the opening by a lock nut 35. A shoulder 36 between the opening and the main portion of the sleeve 34 provides' an abutment against which the outer race 36 of aball bearing assembly is held by the face of cross-head 32. A reduced tip end '38 at the outer end of inking roller shaft 39 is encased by the inner r ace of the bearing.

7 A radially extending pin is turned in the Wall oi -sleeve adjacent inking roller 4| and is positioned between the walls of an annular groove '42 in the shaft 39. A lubricating channel 43 in the stud 3| leads from a lubricant fitting 44 on the outer end of said stud to a recess 45 in the inner face thereof for convenient lubrication of the bearing assembly 37 without the necessity of removing the attachment-from the stud 3|.

The radial pin 40 with a reduced tip 46 permits free rotation of shaft 39 with the tip spaced from the walls and bottom of the groove 42. The pin will positively prevent relative longitudinal movement of the shaft and sleeveon-removal of stud 3| from the clamping cap and socket of the bracket. The pin may be removed if desirable and the frictional hold ofthe inner bearing race on' the reducedend 38 may serve alone to maintain the shaft securely held by the bearing against relative; longitudinal movement. The outer race. or bearing support is held by a press fit within the cylindrical portion-of sleeve 34 between the shoulder 36 and cross head 32. The end 38 is forcibly inserted'in the inner race or load moving part with a tight frictional force fit and the bearing assembly itself is of suflicient strength to prevent ordinary longitudinal slipping of the sleeve with respect to the shaft.

Fig. 5 shows a form of attachment construction adapted for a press installation wherein limitations of spacing between the mounting bracket clamp and the end of the roller do not permit the use of a sleeve portion in the man.- ner of Figs. 1, 3, and 4. The mounting bracket I is'positioned in relatively closely spaced relation to the face end 41 of an inking roller. A stud 48 held in the bracket 1 has sleeve portion 49' carried integrally at its inner end.

"A ball bearing assembly 5| is inserted as by a present in the inner end of sleeve 49 to surround a shortened end 52 of the inking roller shaft rotatably held in said bearing. A lubrication channel 54 and a fitting 55 at the outer end of the'stud 48 is for lubricating the bearing.

In" this form of attachment the outermost end of sleeve dsfisreceived in anannular recess 56 cut in the face end 41 of the roller. This construction of the attachment contemplates the modification of the roller end face so as to provide a shaft portion as at'a shelf 51. The recess cylindrical surface of sleeve ,49 at the outer end thereof is closely spacedfrom the annular shelf .51: formed by the recess 56.i The end 52 is-inserted forcefullyand tightly: fitting the same in the bearing, as by driving the inner race over said end so as to resist any ordinary tendency to vbeishifted longitudinally. In lifting the. roller by the" stud the outer sends-of the sleeve portion 4% bear :against' the shelf ,51"-=.tocprevent a sharp angular twisting of-the bearing-parts. .'It will be seenlthat the various forms'of attachment described may be :used' in converting existing roller-shaft assemblies on various types of newspaper presses.

What is claimed is':: l-= 1 lhAn: attachment for: a newspaper press inking roller shaft comprising, a mounting stud for holding the attachment ma -fixed support, an elongated sleeve carried by the stud for encasing the end portion of the roller shaft, -a bearing fixed in the inner-end of said sleeve to receivethe tip end of said shaft for rotation therein, a radially extending member" fixed on the shaft adjacent the opening of said'sleeve, saidsleeve having retaining means at the opening thereof to prevent passage ofsaid' shaftmeniber throu h i the} opening whereby said attachment is held against longitudinal-movement with respect to said shaft and said shaft end is retained in said bearing.

2. An attachment for a newspaper press inking roller comprising, a shaft projecting from the end of said roller and rotatable therewith, a cylindrical collar fixed on the shaft and spaced from the end thereof, a shaft coupling having a recessed portion in the form of an elongated cylindrical sleeve receiving the end portion of said shaft with said collar projecting within the opening of said sleeve, a removable pin in the wall of the sleeve adjacent the'opening and extending radially within the opening between the collar and. roller to form a stop to limit longitudinal movement of said sleeve with respect to the shaft, and a ball bearing in the bottom of said recess receiving the tip end of the shaft, said coupling having means for mounting the same on a fixed support to hold said shaft end journaled in said bearing.

3. An attachment for a newspaper press inking roller comprising, a shaft projecting from the end of said roller and rotatable therewith,

a cylindrical collar fixed on the shaft and spaced from the end thereof, a shaft coupling having-a recessed portion in the form of an elongated cylindrical sleeve receiving the end portion of said shaft with said collar projecting within the opening of said sleeve, a removable pin in the wall ofcess having a ball bearing assembly mounted therein, the end of said roller shaft being journaled in the bearing, and said coupling having a cylindrical stud in axial alignment with said bearing and sleeve for mounting the coupling in a fixed support.

4. An attachment for a newspaper press inking roller shaft comprising, a mounting stud for holding the attachment in a fixed support, an elongated sleeve carried by the stud for encasing the end portion of the, roller shaft, a;ba11= bearing fixed in the inner end of said sleeve to receive the tip :end of said shaftfor' rotation :in said bearing, said sleeve adjacent itsopening having a flanged portion turned inwardly to restrict the mouth of saidlsleeve, and a radiallyextending pin on the shaft within the sleeve fixed adjacent the inner wall of said flanged portion of the sleeve; 5..;=An attachment for a newspaper, press ink- :ing .roller icomprising, a shaft projecting from the end of said roller and rotatabletherewith, aicylindrical-.. ,stud: shaft for mounting in a fixed support, a. collar lonrone .end I ofthe stud having an externally threaded portion, a cylindrical -sleeveithreaded at. one-end thereof on said collar, said; sleeve having a'ball bearing adjacent said threaded end. and receiving the endof said roller shaft'in'the bearingv with-the'sleeve encasing the end portion of they-roller shaft; a concentric flange at the open end of said sleeve in adjacent spaced relation-to said roller shaft, anda projection on said roller shaft adjacent the flange to limit the longitudinal movement of saidroller shaft within said sleeve. I i

6. An attachment for a newspaper pressinking roller comprising ashaft projecting from the end of saidiroller'.and rotatable therewith, a stud shaft; for :mo-unting in a fixedsupport, a sleeve in axial alignment with and carriedbyl'theistud shaftiand encasing the end of said roller shaft, saidisleeve being'in close'ly spaced and in immevd'iately adjacent relation! with a portion of said roller shaft,'a=bearing with "rolling elements having a bearing support fixed in the inner end of said sleeve and a load moving part receiving the tip end of the roller shaft for rotation of said roller shaft within said sleeve, relative movement of the stud and sleeve from axial alignment with said roller shaft being limited by said closely spaced adjacent relationship in unsupported condition of said stud, whereby the stud shaft and roller shaft are maintained at all times substanthreaded portion, a cylindrical sleeve threaded at one end thereof on said collar, said sleeve having a bearing adjacent said threaded end with rolling elements and a load moving part receiving the tip end of said roller shaft with the sleeve encasing the end portion thereof in closely spaced immediately adjacent relation, and a lubricant passage in said stud shaft-communicating with said bearing.

8. An attachment for a newspaper press inking roller shaft comprising, a mounting stud for holding the attachment in a fixed support, an elongated sleeve carried by the stud forencasing the end portion of the roller shaft, a bearing fixed in the inner end of said sleeve to receive the tip end of said shaft for rotation therein, said sleeve having a radially disposed member on said sleeve adjacent the opening thereof and an annular recess in shaft for receiving the end of said member. v-here-by said attachment is held against longitudinal movement relative to said shaft and said shaft end is retained in said bearing.

9. An attachment for a newspaper press inking roller shaft comprising a mounting stud for holding the attachment in a fixed support, said stud having a hollow cylindrical portion slidable over the end of the roller shaft and permitting rovalignment. a

10. An attachment for a' newspaper press inking roller shaft comprising;a mounting'stud shaft .for'holding the attachment in a fixe'dsupport an elongated sleeve carried by the stud'shaft for encasing the end portion of the-roller shaft, a bearing fixed in the inner end of said sleeve to receive the tip end ofsaid roller shaft for rotationtherein and means to maintain axial alignment of said shafts. I

. 11. An attachment fora newspaper press inking roller having a roller' shaft projecting from the end 'of said roller and fixed'for rotation therewith comprising, a stud shaft for mounting in a fixed support, a sleeve in axial alignment and fixed relation with said stud shaft, a bearing with a'bearing support portion, a load moving part and rolling elements having said bearing support portion fixedly positioned in the inner end of said .sleeve and the load moving part of said bearing for receiving the tip endof said roller shaft for rotation of the roller shaft within the sleeve, said sleeve adapted to be telescoped over the roller. shaftand to position theopen end of the sleeve adjacent the end of said roller, with inner surface portions of the sleeve adjacent said open end in closely spaced relation to adjacent surface portions of the roller shaft to maintain the roller and studlshafts substantially in axial alignment in supported andunsupported condition of the stud shaft.

12. An attachment for a newspaper press inking roller shaft comprising, a mounting stud shaft for holding the attachment in a fixed support, an elongated sleeve'carried by the stud shaft for encasing the end portion of the roller shaft; a hearing fixed in the inner end of said sleeve to receive the tip end of said'roller shaftfor rotation therein means to maintain axial alignment of said shafts, and releasable means to prevent longitudinal separation of said shafts.

ARNOLD L. IMSHAUG.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Fasoli Aug. 7, 1951