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Dec. 3, 1946. _.1. H; FRIDEN 2,411,854 ARTICLE -CONVEYER Original Filed Aug. 2, 1940 _ swN. wm. 3 sheets-sheet 1 Dec. 3, 1946. ì J, H, FRlDÉN - „ 2,411,854 ARTICLE GONVEYER original Filed Aug. 2, 1940 -22 l ‘ 24 5 sheets-sheet 2 -23 v > _" " Q67 1 I' Dec. 3, 1946. . J, H‘FRmÉ'N -' ì 2,411,854 ARTICLE CONVEYER original Filed Aug. 2, 1940` __' 5 sheets-sheet 5 , ' Yßßgm »f ' ATTORNEY ' . 2,411,854 Patented Dec. 3, 1946 UNITED STATES 'Í'PATENT OFFICE' ARTICLE ooNvEYER John H. Fridén, Maplewood, N. J., assignor to Newark Engineering Company, Hillside, N. J., a corporation of New Jersey ' Original application August 2, 1940, Serial No. 349,850. Divided and this application January 18, 1944, Serial No. 518,699 9 Claims. (Cl. 1238-103) l 2 construction for transferring, from one point to another, articles of circular cross section. The faces of thearticles carried thereby will be suf ñciently dry to prevent marring even though these surfaces are brought into engagement with each present case is a division of my pending applica other or with other surfaces. Y This invention relates to an improved conveyer The articles may, accordingly, then be discharged or removed from tion Serial No. 349,850, ñled on August 2, 1940. the cups, either automatically or manually, and An object of the invention has been to provide deposited in a suitable receptacle `or packed in an endless conveyer adapted to.receive articles an appropriate container. of circular cross-section from a coating or print Other objects, features and advantages of the ing machine or the like and transfer the same, without marring the surface of the article, to a 10 invention will appear from a detailed description of an illustrative form of the same, which will point of desired disposition. InV achieving this now be given in conjunction with the accompany purpose, the invention provides an endless con ing drawings, in which: ' veyer member, preferably in the form of a chain, Fig. 1 is an elevational View, somewhat schem having a plurality of transversely extending pivot pins upon which are swivelly mounted a series of 15 atic, of a printing mechanism and'an associated conveyer and dryer which may embody the pres article receiving cups or buckets. The arrange ment is such that the cups or buckets will be con ent invention. ' ' Fig. 2 is a transverse section through the stantly maintained in a definite position, i. e. printer, taken along the line 2-2 of Fig. l, and with their open tops facing upwardly and their bottoms down, as they are carried along by the 20 shows a portion of the conveyer associated with the printer. . ` . ' movement of the conveyer member. This is ac 3 is 'an enlarged view, partly in elevation complished automatically, by gravity, as a result and partly in vertical section, showing an _article of the swivelled mountingv of the cups. » ï carrier, forming part of the printer, and the as A special feature of the invention is the forma tion of the article retaining cups or buckets in 25 sociated conveyer. Figli is a transverse sectional View taken lalong such a way that articles of circular cross-section the line 4_4 of Fig. 3, and ' will be retained thereby with only a few spaced Fig. 5 is a fragmentary detail `showing in trans points thereof in engagement with surfaces of the verse section a modiñed conveyer cup. ' ' cups. In the application of the invention to a conveyer for articles such as glass ampules, the 30. Referring now to the drawings, the illustrative apparatus includes a printing unit which is gener construction is such that the ampule will be sup ported by the edge of'its base and by a small shoulder engaging a point on the long neckof the ampule. This avoids any danger of marring any printed or decorative matter on the body of the ampule. ' In the operation of typical apparatus embody ing the invention, the articles, after being printed ally designated l5 (Fig. 1). This printing unit is mounted on a pedestal I1 which encloses the power means for- operating the equipment, in cluding, in addition to the printing unit, a con-V veyer chain I8. , The arrows shown on the con veyerchain indicate the direction of movement of thevariouscourses. The conveyer chain carries -the printed containers toand through a dry upon or coated, are dropped one by one by gravity from a carrier associated with the printer into 40 ing chamber i9 in whichv the containers are sub-- jected to'a uniform and regulated drying tem perature which maybe maintained in any con venient way, as by the circulation of heated air or the like, preferably under the control of form speed through a drying zone, which may suitably involve an oven or similar enclosed,v 4,5 thermostatic devices, not shown. After travers ing a series of loops or slings withinv the dryingdrying chamber maintained lat a controlled tem chamber, the conveyer chain passes outwardly'at perature. In the course of such movement, the the opposite side of the chamber and then up cups will be carried along a rather circuitous wardly to a delivery table or unloading station path but at all times they will be maintained 20. 'Here the printed and dried containers are with their open tops facing upwardly. The-ar automatically removed' by dumping from- the rangement is preferably such that the conveyer is con'veyeL and may be suitably packed in cartons advanced continuously, even though the printing or the like by hand or by any appropriate auto or coating machine may be temporarily stopped. matic means. From 'the delivery table the conf. When the successive cups emerge from the drying» successive buckets or cups, above mentioned, car ried by the endless conveyer means. The con veyer carries the articles at a predetermined, uni zone, the printed matter orcoating--on the~sur-. 55 veyerf. chain. travels. into. the drying. .Qhambßiïnpè 2,411,854 4 3 wardly along the adjacent end wall, then across the top and then downwardly along the opposite end Wall through which it is passed outwardly at tion 45 into the next recess which is brought op posite the chute. The chute 45 may be supplied with the articles to be printed in any suitable a point near the bottom and returned to the print way, either by hand or by automatic means. It ing unit through its supporting pedestal. The is supported by means of a bracket ¿il having a split collar 138 at its lower end adapted to sur means for driving the conveying chain from with in the pedestal will be hereinafter explained.. round and be clamped upon the sleeve 29 of the ‘auxiliary frame. The arrangement is preferably The printing unit (Fig. 2) is carried by a main such that the chute ll’â will be inclined slightly frame comprising a vertically disposed web 2i having laterally extending iianges 22 and 23 10 from front to rear (Fig. 3), i. e., downwardly toward the web 2 I, so as to cause the ampules to around three sides and having similar flanges 24' remain by gravity toward the rear of the chute. of greater width at its base. A cover 24a, extend As best shown in Fig. 4, a disc or plate 49 is ing from the outer edge of flange 22 to the outer provided between the carrier and the end of the edge of flange 24, may be provided to enclose the driving mechanism, which will be later described. 15 sleeve 29, this disc being secured to the sleeve by Near the bottom of the vertical web 2|- is a hol low boss 25 forming a socket to receive a reduced hub portion 26 of a boss 2l' at the lower end of means of a bracket 5B. The disc in turn carries an angle bracket 5l arranged to support a guide 52 which extends over the top of the carrier, Ad an auxiliary frame member 28. This auxiliary frame is adapted to rock or pivot slightly by the turning of the hub portion 2S within the boss 25. Near its upper end the auxiliary frame 28 carries jacent the lower end of the chute the guide 52 is curled upwardly, as indicated at 53 (Fig. 5), and at its opposite end 54 the guide extends ad jacent to the printing station, to be later de scribed. Another guide 55 (Figs. 2, 3 and 4) is an integral sleeve 23 whichl extends through an provided below the printing station, this guide aperture 36 in the web 2l, this aperture being of sufficient size to permit a slight rocking or piv 25 having an opening or cut-away portion 5B in the region over which rolls the printed matter otal movement of the auxiliary frame, as ex on the ampules. Preferably the connecting por plained. Above the sleeve 29 the auxiliary frame tions at the ends of the opening 55 are offset ra is formed with an ear 3l having an aperture 32, dially to a slight extent so as to lie outwardly of slightly elongated in a circumferential direction, to receive a locking bolt 33 having screw-threaded 30' the inner surface of the guide. It Will be under stood that the guide '55 serves to retain the am engagement with the web 2l. The bolt 33 thus pules in the pockets dl and for this reason, after provides means for clamping the auxiliary frame the ampules have been printed upon, it is neces in any adjusted position permitted by the con sary to guard against smearing of the ink. The struction. described. To effect the desired adjust ment of the auxiliary frame, it is provided with f lower` guide 55 is carried by a disc 5l secured to an arm or bracket 58' carried by a stationary shaft a block S'?l, swivelled to the frame. A screw 35, 59 extending through the hub 2S of the auxiliary threaded in the block 3G, may be turned to shift frame and the boss 25 of the main frame. By the auxiliary frame about the axis of the hub 26 shifting the bracket 58 axially of the shaft 59, to the desired extent and the frame may then be clamped in itsv setv position by the tightening. of 40 adjustment may be made for ampules of differ ent length. A setscrew 5t may be provided at the bolt 33. the bottom of the bracket 53 for retaining thev Within the sleeve 25 of the auxiliary frame there is journaled a shaft 38 (Fig. 2) to which is latter in desired position on the shaft 59. At the keyed, adjacent its righthand end, a. carrier mem top of the. disc '5l a laterally extending support ber 39 which serves to support and convey the 45 5l.’ is provided. This carries an adjustable bracket ampules or other articles to be printed. A clamp 52, which may be clamped in any adjusted posi ing collar 4D may be provided to retain the car tion by a screw 53. The inner’ end of bracket 62 carries a ñexible spring finger Ed adapted to en rier upon the shaft. This construction is such that the carrier' may be readily removed when gage the outer ends of the ampules to press them ever it is desired to replace it by another carrier 50 lightly against the disc ¿le as the ampules are adapted for larger or'smaller articles. carried into printing position. This insures the The carrier is essentially a relatively broad, correct positioning of the ampules as they are be-> disc-like member having a series of recesses or ing printed. ' pockets> M (Fig. 3) at spaced' intervals in its As the ampul'es with the printed impression periphery. Adjacent each of these recesses and thereon are carried beyond the lower end 55 of on both faces of the carrier there is provided a the guide 55, they are permitted to drop by gravity pair of discs ¿l2 freely rotatable upon studs> ¿i3Y into> a series of cups or buckets- 65 carried by mounted in the c_arrier. These discs 132 are so the conveyer chain i8, previously mentioned. arranged that their peripheries extend slightly These cups are freely supported by pins or rods beyond the surfaces defined by the recesses 4l. 60 5l' formed as extensions of the roller supporting Accordingly, these discs serve to support the am pivots for the links of the conveyer chain. Just pules or other articles in such a way as to pre beneath the carrier 39 the conveyer passes around vent contact of their surfaces with the surfaces a sprocket wheel 63, loosely mounted upon the defining the recesses 15|. The outer periphery ofthe carrier is of generally cylindrical form, as> 65 previously described shaft 55. A collar 65 serves to retain the sprocket in. place. Each> of the cups indicated- at d4, but in advancev of each of the is provided with a weighted bottom 'i5 which. recesses li! the outer surface of the carrier is in clined» inwardly substantially toward the axis of the recess, as indicated at 45. This enables the carrier readily to pick up the articles, such as "ampules X, which are delivered to the machine by means of a chute et. As the lowermost am pule is'v picked up by one of the recesses 4I, the next ampule will roll along the adjacent surface 44 of.' the. carrier and. then down the inclined por serves to maintain the cup in an upright posi tion throughout its movement with the conv4 veyer chain. To reduce to a minimum the sag ging of the cups due to the cantilever effect, the weighted portion of the bottom may, if desired, beV concentrated near the chain, as shown. at ltd. in. Fig. 5. At. its rear or inner end each cup is « provided with av trough 'lll and >at its outervend 2,411,854 ~ 6 brought into position to receive the ampules as with a substantially vertical wall 12 having a they are released by the guide. The conveyer shallow notch 13. chain IB carries the cups with their ampules along It will be understood that the conveyer chain a circuitous path leading into, through and out is -adapted to be driven in synchronism with the of the dryer i9. Due to their weighted bottoms, carrier 39, the arrangement being such that as the cups always remain with their open tops fac an ampule is discharged from the carrier, one ing upwardly'until they reach the delivery or of the cups 66 will be directly beneath the latter packing station 20 Where they may be tilted to to receive the ampule. Due to the construction discharge the ampules or the latter may be lifted of the cup, a portion of the long tip of the ampule will engage the depression 13 while the periphery 10 from the cups. While an illustrative machine embodying the of the bottom of the ampule will engage veither various features of the present invention and the top of the pin 61 or the sloping Walls of the certain modiñcations have been disclosed in con trough portion '|| of the cup. As a result, none siderable detail, it will be understood that numer of the printed matter on the ampule will come in contact with any part of the cup and the 15 ous other changes may be made in the con struction and arrangement of the various parts danger of smearing the printed impression is eliminated. ' - The printing upon the ampules at the printing without departing from the general principles and scope of the invention. The terms and expres sions used herein have been used as terms of station is eifected by means of a soft, resilient transfer roller 14, (Fig. 3) formed of rubber or 20 description and not of limitation. I claim: any composition commonly employed in inking 1. In apparatus of the class described an end rolls. It is adapted to receive an impression from less conveyer comprising a chain, a plurality of one or more printing members (not shown) in the ` pins projecting from said chain, and cups freely manner fully disclosed in said parent applica mounted on said pins, said cups having weighted tion. Roller 14 is driven at an appropriate speed bottoms to hold the same upright by gravity, each in synchronism with the carrier 39. In dealing „ cup `having a trough-like portion adapted to re with relatively small ampules, of a diameter of ' ceive the base of a container and a notched end less than one-half inch, the carrier may be oper ~ plate adapted to support the container adjacent ated continuously and the printing operation per formed while the ampule is beingadvanced by 30 its opposite end, the arrangement being such that the container is held with the portion of its sur the carrier. The peripheral speed of the roller ‘M face between the base and opposite end free and will be considerably faster than that of the carrier so that the ampule will be rotated and receive an clear of the cup. impression at the printing station. When larger ` 2. In apparatus of the class described an end preferable to operate the carrier intermittently, pins projecting from said chain, and cups freely it being held stationary during the printing opera tion. However, regardless of whether the carrier is operated intermittently or continuously, the mounted on said pins, said cups having weighted portions in their bottoms adjacent the chain to hold> the same upright by gravity, each cup hav 40 ing a trough-like portion adapted to receive the k'base of a container and a. notched end-plate adapted to support the container adjacent its op posite end, the arrangement being such that the »Í‘container is held with the portion of its surface ampules or other containers are dealt with, it is 35 less conveyer comprising a chain, a plurality of conveyer carrying the cups 65 may be advanced continuously in synchronized relation. For the purpose of driving the printing devices and the conveyer chain i8, a motor (not shown) may be provided within the pedestal portion I1 of the printer. This may be connected by a chain |22 (Fig. 2) with a sprocket |23 secured to a driving shaft |24 for the printer. It mayalso be connected by suitable chains and sprockets (not f “between the base and opposite end free and clear ' ofthe cup. 3. In apparatus of the class described an end less conveyer comprising a chain, means for ad vancing said chain, a plurality of article receiving shown) with a shaft |40 (Fig. 1) which carries a sprocket |4| by means of which the conveyer 50 buckets swivellyrmounted on said chain, each vbucket having a bottom, side and end walls and chain I8 is continuously advanced. The arrange an open top, weight means for holding each ment is preferably such that the conveyer chain bucket with its open top facing upwardly will be advanced so long as the driving motor throughout the movement of said chain, and each is in operation, regardless of whether or not the printer is in operation. This insures sub-A jecting all printed articles to the same drying conditions. ' The connections from the motor to the printer and conveyer are such that the cups 66 will be advanced at the same speed as the pockets 4| in the carrier, whenever the printer is operating, and the clutch for throwing the printer in and out of operation is such as to keep the carrier and conveyer properly synchronized. For further details as to the driving means, reference maybe had to said parent applica tion. In the operation of the machine, the ampules bucket having article supporting surfaces adapt ed. to engage articles of circular cross-section at only a pair of longitudinally spaced points, said surfaces being arranged to retain said articles in definite endwise position with respect to the pocket. ’ 4. In apparatus of the class described an end less conveyer comprising a chain, means for ad vancing said chain, a plurality of article receiv ingv> buckets swivelly mounted on said chain, each -bucket. having a bottom, side and end walls and an- open top, weight means for holding each bucket with its open top facing upwardly throughout the movement of said chain, and each X may be supplied either automatically or by bucket having article supporting surfaces adapt hand to the chute 46. When the printer is in operation, the ampules will be delivered one by 70 'ed to engage articles of circular cross-section and of different dimensions at only a pair of longi one to the pockets of the carrier 39 and brought tudinally spaced points, said surfaces being ar ñrst to the printing station, to receive an impres ranged to retain said articles in definite endwise sion from the roller 14, and then> to the end 65 position with respect to the pocket. of the lower guide 55 from which they drop into 5.' In apparatus .of the class described an end the cups or buckets 66 which are successively 75 2,411,854 ; 8 7 less conveyer comprising a- chain, means for ad vancing said chain, a plurality of article receiv ing buckets swivelly mounted on said chain, each bucket having a bottom, side and end Walls and an open top, Weight means for holding each bucket With its open top facing upwardly throughout the movement. of said chain, and each bucket having article supporting surfac-es adapted to engage articles of circular cross-sec tion only at points adjacent the ends of‘said , portedthereby at only a plurality of widely sepa rated points as they are brought to, deposited in and conveyed by the receptacles, said surfaces on said receptacles being arranged to retain said ar . ticles in definite endvvise position With respect to the receptacles. held with its top and bottom in predetermined relation throughout its movement, and means for depositing an article by gravity in each of said receptacles as it passes a predetermined point, said articles in deñnite endvvise position with re spect to the pocket. 5. In apparatus of the class described an end less conveyer comprising a chain, means for ad vancing said chain along a circuitous path, a plu said receptacles having surfaces thereon so con structed and arranged that said articles are en rality of article receiving receptacles swivelly receptacles as it passes a predetermined point, said receptacles being so constructed and ar - rality of article receiving receptacles swivelly mounted on said chain, each receptacle being articles, said' surfaces being arranged to retain mounted on said chain, each receptacle being held with its top and bottom in predetermined relation throughout its movement, and means for depositing an article by gravity in each of said ‘ 8. In apparatus of the class described an end less conveyer comprising a chain, means for ad vancing said chain along a circuitous path, a plu-v gaged and supported thereby only at points ad jacent their ends as they are deposited in and 20 .' conveyed by the receptacles, said surfaces being arranged to retain said articles in deñnite end vvise position with respect to the receptacles. 9. In apparatus of the class described a plural ity of article conveying means, means for driving ranged that said articles are received, engaged and supported by surfaces on the receptacles at 25. said conveying means in synchronism, one of said only a plurality of Widely separated points as conveying means being arranged to deliver arti they are deposited in and conveyed by the recep cles conveyed thereby by gravity to the other of tacles, said surfaces being arranged to retain said said conveying means, said one of said conveying means being arranged to support said articles articles in deñnite endwise position With respect to the receptacles. 30. during at least a portion of the trav-el thereof 7. In apparatus of the class described an end less conveyer comprising a chain, means for ad vancing said- chain along a circuitous` path, a plurality of larticle receiving receptacles swivelly mounted on said chain, each> receptacle being held with its top and bottom in predetermined relation throughout its movement, and means for depositing an article by gravity in each of said receptacles as it passes` a predetermined point, said article depositing means and said receptacles having surfaces thereon so constructed and ar ranged thatsaid articles- are engaged and sup with a substantial part of the surface of said articles extending completely around the same free and clear or" any engagement, and a plural ity of swivelly mounted receptacles on said other conveying means arranged to receive and convey said articles, said receptacles having surfacesl adapted to receive and retain said articles with out engagement of said part of the surface there of, said surfaces on the receptacles being ar ranged to retain said articles in definite endWise osition with respect to the receptacles. - - ~ - JOHNv H; FRIDE'N. .