US699750A - Wrapping-machine. - Google Patents

Wrapping-machine. Download PDF

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US699750A
US699750A US5814801A US1901058148A US699750A US 699750 A US699750 A US 699750A US 5814801 A US5814801 A US 5814801A US 1901058148 A US1901058148 A US 1901058148A US 699750 A US699750 A US 699750A
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arms
folding
frame
wrapping
head
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US5814801A
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John M Felmlee
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/18Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths
    • B65B11/20Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths to fold the wrappers in tubular form about contents
    • B65B11/22Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in two or more straight paths to fold the wrappers in tubular form about contents and then to form closing folds of similar form at opposite ends of the tube

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  • Patented may ls, 1902. H. FELMLEE.
  • This invention relates to new and useful improvements in machin-es for wrapping caramels and other articles; and it consists in the provision of means for automatically feeding the wrapping-paper forward, cutting same to a certain measured length, and of mechanism for feeding the article to bewrapped forward to a position over the wrapping-paper andiof folding or wrapping the paper about the article and depositing same in readiness to be packed in suitable boxes for shipment.
  • Fig. 5 is a top plan View of the machine.
  • Fig. 6 is a top plan viewin detail of the folding-table or slotted trough along or through which the article being wrapped passes while the last aps of the wrapper are being folded.
  • Fig. 7 is a detail view in perspective of the means employed to hold the caramel or other article to be wrapped preparatory to its bein g depressed Serial No. 58,148. (No model.)
  • FIG. 8 is a detail in perspective of one of the end-flap-folding members.
  • Fig. 9 is a face view of the folding 55 member shown in perspective in Fig. 8. Fig.
  • FIG. 10 is a detail View showing the lower pivoted ends of the outwardly-swinging arms, which carry at their upper ends the end-folding members.
  • Fig. 1l - is a detail view of the 6o knife which cuts off a measured length of wrappingpaper.
  • Fig. l2 is, a detail view showing the article to be wrapped as having been deposited on the'wrapping-paperand in readiness to be depressed in the'first step of 65 the folding ofthe wrapping-papel'.
  • Fig. 13 is a detail showing the second step of the wrapping in which the end flaps are folded up against the opposite edges of the article.
  • Fig. 14 shows the third step in the folding, in which the opposite iiaps are shown as folded one over the other.
  • Fig. 16 is a detail showing 'the opposite end flaps being folded against the end of the article
  • Fig. 17 shows the article on the folding-table in readiness to be fed forward i to have the last flaps folded by the flaps being forced into the inclined slots shown in said table.
  • A designates the frame of the machine, which may be suitably housed and which supports the operative features of the invention.
  • a drivingshaft B to which power may be applied from any source, which maybe transmitted to the pulley B', mounted on said shaft.
  • a cam-wheel C Keyed or otherwise secured to rotate with said shaft is a cam-wheel C, having a cam O on its periphery, and on the inner face of said cam-wheel is a segment-cam C2. (Shown plainly in elevation in Fig. 4 of the drawings, also in Fig. 2.)
  • This segment-cam extends substantially one-third the distanceabout the face of the cam-wheel and carries a pin orlugCi.
  • D designates the folding-table on which the articles to be Wrapped are deposited and along which the partially-wrapped article is advanced during the folding of the last flaps, and E the trough through which the'articles to be wrapped are fed to a position from which one by one the articles are taken through the machine to receive the wrappers.
  • the wrapping-paper is reeled on a shaft F, journaled at one side of the frame, and is fed between the feeding-rollers G and G', the former of which rollers is journaled in stationary bearings, while the roller G is journaled in the vplates G2, having their upper ends inverted-L-shaped to engage over the upper ends of the upright portions of the frame.
  • Set-screws G3 are passed through threaded apertures in said in-verted- L-shaped ends, and the ends of said screws bear against the tops of said upright portions .of the frame, as seen clearly in Fig. 3 of the drawings.
  • the feed-rollerG' which is journaled in said plates G2, may be slightly raised or lowered to regulate the frictional contact of said roller G' against the wrappingpaper beneath.
  • Said feed-roller has a bevel gear-wheel G4, keyed to rotate with its projecting end, which gear-wheel is in mesh with a bevelgear-wheel G5, Fig. 2, the latter wheel G5 being keyed to rotate with the diagonallydisposed shaft GG, the upper end of which is journaled in the bracket G7, while the lower end of said shaft G6 has mounted to rotate therewith a bevel gear-wheel G8, which is in mesh with a bevel gear-wheel G9, which latter is keyed on the main driving-shaft B, Fig. 3.
  • a portion of the circumference of the roller G' is recessed, as at g, the bottom wall of said recessed portion being on the arc of a circle of smaller diameter than the main body portion of the roller, so that when said recessed portion of the roller is presented adjacent to the paper beneath a slight space will intervene between thefpaper and the reduced or recessed portion, andas there will be no frictional contact between the roller G and the paper while this recess is passing adjacent to the paper the latter will remain stationary.
  • the curved or convexed bottom of this recess serves another purpose, however, in that it khas a tendency to hold the wrapping-paper from doubling or flapping up from the under roller G while the paper is stationary.
  • Said cuttingknife ispivoted at I' to an angle-iron I2, Figs. 3 and l1, said angle-iron being held to the frame of .the machine.
  • a tension device I5, Fig. 4 is provided, comprising a flexible plate bent upon itselfand designed to be held over the table 16, the inner end of which plate is adapted to bear with slight frictional pressure against the strip of 'paper which is fed through between the feeding-rollers and support same over the passage- .f
  • I provide a reciprocating plate K, which is mounted on the top of the frame and provided with two blades KX and KY, the former of which is slightly upwardly bent, so
  • This reciprocating plate is actuated by means of the iever K2, which is pivoted on the pin K3, Figs. 1 and 4.
  • the upper end of this lever K2 has a contracted end 7c, which passes through an aperture in said plate K, and as the lever K2 is rocked on its pivot the plate is caused to reciprocate.
  • the lever K2 is actuated by means of the blade-folding-actuatiug lever L, Fig. l.
  • Said lever L is pivoted at L' to the frame, and a spring L2, mounted on said pin L', has one end secured to or bearing against a pin L3 on the lever L, while the other end of the spring bears against the frame in which the crosshead M reciprooates.
  • This spring serves to hold the levers K2 and L normally in the positions shown in Fig. l.
  • the lower end of the lever L is concaved, as at Z, Figs. 2 and 4, and is disposed in the path of the segment-camC2, so that at each ⁇ revolution of the wheel C said segment-cam will strike against and tilt the lever-L.
  • the object of recessing the lever L at l is for the IOS purpose of allowing said lever to return toits i ment-cam is the last portion thereof to leave the lever ⁇ and rides-in said recessed portion just before leaving the lever. If the edge of f the lever were straight, it will be readily unlderstood that the lever would be slower in returning to its normal position, too slow, in
  • a spring-iiap N' To the under face of said folding-blade N is secured a spring-iiap N', the forward end of which spring is fastened to the inner end of said blade, while the rear end, which is free, is slight-ly bent downward toward the folding-table D, and against this spring, as well as against side springs N2, Fig. 4,' at right angles to the opposite longitudinal edges of the table D, the wrapped articles are held while being forced out through the trough formed by the springs on three sides and the table as a bottom.
  • Said springs N2 are vertically disposed on opposite sides of the passage-way down through which the articles to be wrapped pass to steady the same, as they are being depressed onto the folding-table.
  • This yoke is bent upon itself at its longitudinal center, with a space intervening between its arms, into which space said foot is allowed to swing, so that its lower end will be free from the article to be wrapped and be out of the way of the arms which carry the article, with the wrapper, down to the wrapping-table beneath.
  • Mounted on the pivotal pin O' is a plate O3, which carries a pin O5, which passes' through a slot in one arm of said yoke and has its inner end secured to the shoe O, and the outer edge of said plate O3 is disposed at an inclination and slightlyin advance of the forward end of said shoe, for a purpose which will hereinafter appear.
  • a pin C5 Secured to the outer face of the cam C is a pin C5, which has a sliding movement in the elongated slot C6 of the lever C7, which latter is pivoted at C5 to the frame.
  • To the lever C7 is pivoted the lower end of the pitman P, the upper end of which is pivoted to the sliding plate M5, which has a sliding connection with the head M.
  • This cross-head reciprocates in the frame, being confined in grooves therein by means of the gibs M2.
  • an ear M3 To the outer face of said cross-head is fastened an ear M3, which carries a pin M4, on which the lower angled end of the arm Q is pivoted. Ou the same pin M4 is pivoted one end ot' the link Q', Fig.
  • M8 is a spring, one end of which is fastened to the frame of the machine, while the upper free end bears against the inner face ot' the cross-head with sufficient frictional pressure to hold the cross-head suspended while the sliding plate M5 is traveling a distance equal to the length or" the slot M6 in the upper end thereof.
  • the cross-head it will be noted, remains stationary at its highest limit for a moment, during which interval the endfolding blades S are allowed time to swing in against the ends of the article being wrapped and engage behind the guide-plates S'ou either side of the central upright portion of the frame of the machine.
  • Pivoted to each plate S7, each of which supports a folding-blade S is a folding member S2, a detail View of which is shown in Fig.
  • each member S2 has a pin S5 at right angles to the length of ⁇ the member, Figs. 8, 9, and 15.
  • This pin is held to its forward limit by means of a spring S4, secured to the folding-blade S and bearing against the pivoted end of said member.
  • the outward throw of the folding member is limited by the shouldered portion S5 coming in contact with the pin SG.
  • each folding-blade S each of which blades is mounted on a plate S7, adjustably held at diderent heights 'ou the arms Q and Q4, is provided with a recess, one edge of which has a cam projection T near the upper end of the recess, while the other edge of the slot is gradually curved, as seen at T', Fig. 1G.
  • These curved edges of the recess in the blade S are for the purpose of folding the opposite edge aps of the wrap- IOS IIO
  • the plunger W whichjis mounted on the table D, is driven forward by means of the lever WV", Fig. 4, which lever is mounted to tilt on the pivotal pin w and normally held in the position shown in Fig. 4 by means of the spring f W2,l which is carried by the pin W3, one end of said spring bearing against the edge ofthe lever W', while its other end bears against the frame of the machine.
  • the upper end of the lever W is contracted and passes through an aperture in the bottom of said plunger, whereby as the lever'is rocked on its pivot the plunger willbe driven forward and returned to its starting'position.
  • the lower end of said lever V/ is pivoted to the link W4, which in turn is pivoted to the trip-arm W5, which is pivoted at WG to the frame of the machine.
  • the lower end of the trip-arm W5 projects a short distance beyond its lower pivotal point, and said projecting end is disposed in the path of the pin C3, whereby at each revolution of the segment-cam carrying said pin said arm is tripped, and through its connections with the plunger the latter is driven forward gradually, and after the projecting end of said arm leaves the pin C3 the arm will quickly return to its normal position, and in so doing the plunger will under the influence of the spring W2 return to its starting position.
  • Said plunger is slotted in from its outer or wrapper-engaging end, as shown at W7, Fig.
  • This spring W'8 is provided for the purpose of holding the-articles being wrapped from falling down on the foldingtable and yields slightly as the depressingarms are pulling the article partially wrapped down into a position to have the final iiaps folded.
  • the sliding plate M5 will have a slight downward movement independent of the cross-head, the latter remaining stationary for a moment, sufficiently only to allow the depressing-arms Q and Q4 to be thrown toward each other and into vertical positions, with the plates secured at their upper ends directly over the ends of the article to be wrapped.
  • the link Q8 which draws the arms together, the folding-blade S, one on each side of the central portion of the frame of the machine, will engage behind the guide-plates S.
  • the plunger XV is driven forward and forces the article, with its downwardlyextending remaining flaps, one at each end'thereof, forward, and said flaps enter the slots X and X, which are arranged one in advance of the other, and thelast flaps are folded under the bottom ofthe article, and the succeeding articles will force the wrapped ones out through the trough, from which they may be fed to au apparatus forpacking'same in boxes for shipment.
  • a wrappingmachine consisting of a frame having folding mechanism, awrapperfeeding device, a dependingshoe for temporarily holding an article to be wrapped, and means for swinging the shoe from underneath said article preparatory to its being wrapped, as set forth.
  • a wrappingmachine consisting of a frame and folding apparatus, a wrapper-feeding device, a depending swinging shoe on which an article is fed and temporarily held, arms designed to depress the article and wrapping-paper onto a folding-table, and ⁇ means actuated by one of said arms, for depositing the article to be wrapped on the wrappingpaper by withdrawing said shoe, as set forth.
  • a wrappingmachine consisting of a frame and folding ⁇ mechanism, a wrapperfeeding device, a depending swinging shoe mounted over the wrapping-paper, and designed to temporarily7 hold the article to be wrapped over the paper, arms for engaging the article, one of saidarms adapted to swing said shoe from under the article to be wrapped, and means for depressing the article and paperbeneath same onto a folding-table, as set forth.
  • a wrapping machine consisting of a frame and folding mechanism, an intermittent wrapping-paper feeder for advancing the paper to a position on which an article is deposited, means for cutting the wrapping-paper a measured length, a yoke secured to the frame, a swinging shoe pivoted thereto, and having an angled end adapted to temporarily support the article to be wrapped, the pivoted arms for engaging the article and depressing same with the wrapping-paper onto a wrapping-table, one ofsaid arms designed to throw the shoe back to free the article as the arms approach each other, as set forth.
  • a wrappingmachine consisting of a frame and folding mechanism, an intermittent wrapping-paper-feeding mechanism for advancinga piece of paper to a position to receive an article to be wrapped, means for cutting the paper a measured length,i a yoke secured tothe top of the frame, a swinging shoe having a projection designed to temporarily support the article to be wrapped, a plate pivoted to swing with said shoe, and arms havingangled ends which engage and depress the article to be wrapped, one of said arms designed to contact with and swing said plate and the shoe secured thereto backward to free the shoe from the article, as set forth.
  • a wrapping-machine consisting of a frame andfolding mechanism, an intermittent wrapping-paper-feeding mechanism for IOO IIO
  • Awrapping-machine comprising a frame and folding mechanism,an intermittent wrapping-paper-feeding mechanism, for advancing the paper to a position to receive an article to be Wrapped, a reciprocating paper supporting and guide plate, means for operating same, a swinging shoe for temporarily supporting the article to be wrapped over the wrapping-paper which has been ⁇ cut to a measured length, and mechanism for swinging the shoe rearward and for operating said guideplate, as set forth.
  • Awrapping-machinc comprising aframe and folding mechanism,paperfeeding means, a reciprocating plate mounted on the frame of the machine and having two blades KX and KY spaced apart, a tilting lever engaging said slotted plate, and adapted to reciprocate the same, and means for tilting said lever, as set forth.
  • Awrapping-machine comprising in combination with the frame, the paper-feeding mechanism, means for cutting the paper, swinging arms which are adapted to automatically grip an article which has been depositedupon the wrapping-paper, means for operating said arms and depress the same with the wrapping-paper, and means for folding the opposite longitudinal edges of the Wrapping-paper about an article resting on a folding-table, as said swinging arms are raised to their highest position, as set forth.
  • a wrappingmachine comprising in combination with the frame of the machine, means for feeding the paper to a position to receive an article to be wrapped, pivoted and vertically-reciprocating arms adapted to grip the article which has been superimposed upon the wrapping-paper and depress the same with the wrapping-paper, means for operatin g said arms, a wrapping-table, and means for folding one edge of a wrapping-paper resting on said table on which an article to be wrapped rests, slightly in advance of the opposite iiap, said folding being effected in thc upward throw of said reciprocating arms.
  • a wrapping-machine the combination with the frame, reciprocating pivoted arms,which are adapted to engage and depress an article tobe wrapped, which has been superimposed upon the wrapping-paper, means for operating said arms, a stationary wrapping table, horizontally movable foldingblades mounted above said table, and levers which are adapted to actuate said blades, one in advance'of the other, as said swinging arms are raised to depress a following article to be wrapped, as set forth.
  • a wrapping machine comprising in combination with the frame, vertically-movable swinging arms, which are adapted to engage and depress an article to be wrapped, which has been previouslysuperimposed upon a piece of wrapping-paper, means for operating said arms, a driving-shaft and connections between said shaft and the swinging arms for operating the latter,folding-blades adapted t0 be actuated, one in advance of the other, as said arms are raised to their highest positions, as set forth.
  • a wrapping machine comprising in combination with the frame, an operatingshaft, a reciprocating cross-head, pivoted and swinging arms carried'by said cross-head,con nections between said shaft and cross-head for operating the latter, and means for tilting or swinging said arms as the cross-head reciprocates.
  • a machine for wrapping articles comprising in combination with the frame, a driving-shaft, a cam-wheel mounted thereon, a cross head and connections between same and said cam wheel for reciprocating the cross-head, folding-blades, which are driven forward by said cam-wheel as the cross-head rises, pivoted and swinging arms carried by the cross-head, and adapted to be thrown outward as the cross-head is raised, and means for throwing the arms toward each other as they approach their highest position, as set forth.
  • a machine for wrapping articles comprising in combination with the frame, ⁇ a driving-shaft, cam-wheel mounted thereon, a reciprocating cross-head, horizontally-disposed IOO IIO
  • folding-blades which are driven forward by the cam-wheel, as said cross-head rises, pivoted arms mounted on said cross-head, and end-folding blades carried by said arms, as set forth.
  • a machine for wrapping articles comprising in combination with the frame, a driving-shaft and cam-wheel rotating therewith, a reciprocating cross-head, connections between same and said driving-shaft, the sidefolding flaps actuated by said cam-wheel, the
  • a wrappingmachine comprising in combination with the frame,the driving-shaft, cam-wheel rotating with said shaft, horizontally-movable :folding-blades and levers actuated by the cam-wheel for operating the same, a reciprocating cross-head, pivoted arms carried thereby, and adapted to be tilted as the cross-head reciprocates, edge-folding blades carried by said arms adapted to be thrown toward each other, as said arms approach their highest positions, and means for holding said blades so that as they descend they will be held parallel to each other, and a pivoted folding member carried by each arm, as setforth.
  • a wrapping machine comprising in combination with the frame,thedriving-shaft, cam-wheel rotating therewith, the horizontally-movable folding-blades, levers contacting with said cam-wheel for operating said folding-blades, a reciprocating cross-head and connections between same and the cam-wheel, the pivoted arms carried by thecross-head, and rocked or tilted as said cross-head reciprocates, a blade carried by each of said arms, which blade is adapted to fold the opposite edges of the wrapper, and retaining guideplates held to the frame of the machine behind which said edge-folding blades are adapted to engage, and be held in parallel relation against the article to be wrapped as said blades are descending, and a pivoted foldingfiap carried by each arm, as set forth.
  • a wrappingmachine comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, a reciprocatingcross-head,the horizontally-reciprocating folding-blades, the pivoted arms carried by the cross-head, a blade adapted to fold the opposite edges ofthe wrapper carried by each of said arms, means for throwingr said edgefolding blades toward each other as the crosshead is driven to its highest position, stationary retaining guide-plates, behind which said cross-head is thrown, a pivoted folding member on each of said arms and having a projection which is adapted to fold the top flaps slightly in advance of the folding of the edge flaps, and means for throwing said pivoted folding member outward, as the opposite edge flaps are folded, as set forth.
  • a wrapping-machine comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, the horizontally-movable folding-blades, means for actuating same, the reciprocating cross-head, pivoted arms carried thereby, and means for tilting the same as the cross-head reciprocates, folding-blades secured one to each arm, which blades are adapted to fold the opposite edges of the iap, one in advance of the other as said blades are held in parallel relation, and
  • a wrappingmachine comprising in combination with the frame, the ope atingshaft and cam-wheel rotated therewith, the horizontallymovable foldingblades and means for operating the same, the cross-head, connections between same and the operatingshaft, the pivoted arms carried by the crosshead, means for tilting said arms as the crosshead reciprocates,the edge-folding blades and pivoted folding member carried by each of said arms, means for adjusting said edge and top folding members longitudinally on each of said arms, as set forth.
  • a wrappingmachine comprising in combination with the frame, the operatingshaft, a reciprocating cross head, pivoted arms carried by said cross-head, means for im parting an intermittent motion to the crosshead as the shaft is rotated.
  • a wrappingmachine comprising in combinationwith the frame,the driving-shaft, a reciprocating cross-head, and means connected with said shaft for operating same, pivoted arms carried by said cross-head, and means for throwing the upper ends ot' said arms toward each other when the cross-head is at its upper end, and stationary, as set forth.
  • a wrapping machine comprising in com bination with the frame,the driving-shaft,
  • cam-wheel a reciprocating cross-head, the horizontal folding-blades, means for operating the same, a sliding plate carried by the cross-head, and having pitman and lever connections with said cam-wheel, the pivoted arms, and means for actuating same as said plate slides, as set forth.
  • a wrapping machine comprising in combination with the frame, driving-shaft, cam-wheel rotating therewith, a reciprocating cross-head, a sliding plate secured to said cross-head, and having a longitudinal play, pivoted arms carried by the cross-head, apivoted and tilting link actuated by said sliding plate, and adapted to operate said pivoted arms as the crosshead and plate carried thereby are reciprccated.
  • a wrapping machine comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, a reciprocating cross-head, a plate having a longitudinal sliding connection with said cross-head, pitman and lever connections between said plate and the cam-wheel, the arms carried by the cross-head, and having their lower ends angled, one of said angled ends being concaved to receive the convex end of the other, and adapted to tilt in contact with each other, and a link adapted to tilt one of said levers, as set forth.
  • a wrapping machine comprising. in combination with the frame, the drivin g-shaft ICO and cam-wheel rotating therewith, the reciprocating cross-head adapted to be stationary for a moment when atits highestlimit and sliding plate mounted thereon, pitman and lever connections between said cam-wheel and the sliding plate, the arms carried by the crosshead and having their lower portions angled, one end being eoncaved and the other convex, and held in contact with each other, a link mounted on one ofthe pivots of said arms, and having pivotal connection with the angled portion of one of said arms,whereby as said sliding plate is reciproeated independent of the crosshead, said arms are tilted upon their pivots, as set forth.
  • a wrapping machine comprising in combination with. the frame, a driving-shaft, reciprocating cross-head, a sliding plate mounted thereon, connections between said sliding plate and the driving-shaft, the pivoted arms carried by the cross-head, and having their lower ends angled and turning in contact with each other, one of the meeting ends of said arms being coneaved to receive the convex end of the other, shoulders on said ends to limit the throw of said arms, a link carried on one of the pivotal pins of said arms, and having pivotal connection with the angled portion of an arm, and its free end engaging a recess in said sliding plate, as set forth.
  • the combination with the frame, the shaft, the reciprocating cross-head, the sliding plate having slots at its opposite ends, screws secured to the cross-head and passing through said slots to limit the throw of said plate, the arms pivoted at their angled portions to the crosshead, the inner ends of said arms, being held in frietional contact, shoulders to limit the throw of said arms, and slotted guide-plates through which the arms pass, a link mounted on one of the pivots of said arms and having pivotal connection with the angled end of one of said arms, the end of said link adapted to rest in a recess in said sliding plate, and to be tilted by the latter as the plate reciproeates independent of the cross-head, as set forth.
  • a wrapping-machine comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, a reciproeating cross head, sliding plate mounted thereon, pivoted arms carried by the crosshead and means for tilting said arms as said plate is actuated independent of the crossliead, a slotted lever pivoted to the stationary portion of the frame, a wrist-pin carried by the cam-wheel and having a sliding play in said lever, and pitman connection between said sliding plate and lever, as set forth.
  • a wrappingmachine comprising in combination with the frame,the driving-shaft, cam-wheel rotating therewith, a segment-cam mounted on one face of the cam-wheel, the pivoted levers L and V, the folding-blades actuated by said levers L and V, the paperguiding plate mounted on the table, a pivoted lever K2 actuated by said lever L for reciproeating said guide-plate.
  • a wrapping machine comprising in combination with the frame, driving-shaft, the cam-wheel rotating therewith, the lever V normally held in contact with the cam edge ot' said Wheel,'a horizontal folding-blade having a bar V5 engaging an aperture in the upper end of said lever, a spring V7 secured to said bar and a pin V8 secured to the free end of said spring, and adapted to slide in diagonally-disposed slots V9 in the frame of the machine, whereby as said horizontal blade is drawn forward, the spring will be slightly under tension, and the folding-blade adapted to yield slightly, as set forth.
  • a wrappingmachine comprising in combination with the frame,the driving-shaft and cam-wheel mounted thereon, a segmentcam on the face of said cam-wheel, the pivoted lever L actuated by said segment-cam, a spring mounted on the pivotal pin of said lever, one end bearing against the stationary part of the frame, its other end against a pin on said lever, and adapted to normally hold the lower coneaved portion of said lever in the path of the circumference of said segment-cam, a pin carried at the upper end of said lever, the folding-blade secured to said pin and a spring secured to said blade, and a tilting lever slotted, and engaging said pin, and a paper-guide plate actuated by said tilting lever, as set forth.
  • a wrapping machine comprising in combination with the fram e,the driving-shaft, the cam-wheel mounted thereon,the segmentcam, the pin mounted on said segment, the tilting lever actuated by the segment-cam, and the folding-blade actuated by said lever, a plunger, a lspring-actuated pivoted lever having connection with said plunger, a trip IIO member pivoted tothe frame and having link oonnectionswith said plunger-engaging lever,
  • a wrapping machine comprising in combination with the frame, the driving-shaft and cam-wheel,the plunger,the table on which the same is mounted, the spring-actuated lever engaging said plunger, the pivoted trip, link connection between the same and said lever, the pin mounted on the cam wheel adapted to contact with said trip to drive the plunger forward, said plunger being longitudinally slotted, a spring secured to the frame and having its lower free end engaging in the slotted end of said plunger, as set forth.
  • a wrapping-machine having in combination with the frame, the driving-shaft, the cam-wheel mounted thereon, the plunger and folding means, and mechanism for operating the same,the folding-table having diagonallydisposed and slightly-curved slots in its opposite edges, one in advance of the other, and into which the last flaps of the wrapper are adapted to engage as the articles being wrapped are successively driven by the plunger outward, the outer marginal walls of said slots projecting outward over the opposite sides of the table, forming Wings to guide the end flap, as set forth.

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  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Description

No. 699,750. Patented may ls, 1902. H. FELMLEE.
WRAPPING MACHINE.
(No model.) (Applicuton led APLSOLIQOL) I B ShoeSAwSheet l' I ALW/ENIGE LIQ/,LS @j .74M
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No. 699,750. v Patented May I3, |902.
J. H. FELMLEE.
WRAPPING MACHINE.
Implication filed Apr. 3o, 1901.) (No Model.) 6 Sheets-Sheet 2.
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No. 699,750.. Patenteadv May I3, |902. J. H. FELMLl-IE.` 'wAPPms nAcHl'm-z. (Apgliceiqn med Ap'r. so, 1901.) (no model.) s sheets-shet 3.
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' Patented may I3, |902.
J. H. FELMLEE.
WRAPPING MACHINE.
(Application filed Apr. 30 1901.)
6 Sheets-Sheet (No Model.)
No. 699,750. v Patented may I3, |902..
.|. H. FELMLEE.
WBAPPING MACHINE.
(A lication led Apr. 30 1901 (No mam.) e s eeee s-sht s.
y Wm I as will en able others skilled in the art to which ings, and to the letters of reference marked rrr-ics.
JOHN H. FELMLEIOF FITTSBURG, PENNSYLVANIA.
WRAPPING-4 MACHINE.
sijncrirca'rrorv forming part of Letters Patent No. 699,750, dated May 13, 1902.
Application ned April so, 1901.
To @Z whom, it may con/cern.:
Be it known that I, JOHN H. FELMLEE, a citizen of the United States, residing at Pittsburg, in the county of Allegheny and AState of Pennsylvania, have invented certain new and useful Improvements in Wrapping-Machines and I do declare the following to be a full,clear, and exact descriptionl ofthe invention, such it appertains to make and use the same, reference being had to the accompanying drawthereon, which form a part vof this specification.
This invention relates to new and useful improvements in machin-es for wrapping caramels and other articles; and it consists in the provision of means for automatically feeding the wrapping-paper forward, cutting same to a certain measured length, and of mechanism for feeding the article to bewrapped forward to a position over the wrapping-paper andiof folding or wrapping the paper about the article and depositing same in readiness to be packed in suitable boxes for shipment.
The invention consists in the provision of various combinations of parts, which will be hereinafter more fully described and then specifically defined in the appended claims, and is clearly illustrated in the Vaccompanying drawings, which, with the letters of reference marked thereon, form a part of this applicatiomand in which drawings similarletters of reference indicate like parts throughout the `several views,vin which drawings- Figure l is a side elevation of my machine, parts of the inclosing frame being removed to better disclose the various parts of the mechanism. Fig. 2 is anelevation of the oppositie side of the machine with parts of the frame being removed. Fig. 3 is a front elevation with parts of the frame being shown in section. Fig. 4 is a vertical sectional view taken on line 4 iE of Fig. 3. Fig. 5 is a top plan View of the machine. Fig. 6 is a top plan viewin detail of the folding-table or slotted trough along or through which the article being wrapped passes while the last aps of the wrapper are being folded. Fig. 7 is a detail view in perspective of the means employed to hold the caramel or other article to be wrapped preparatory to its bein g depressed Serial No. 58,148. (No model.)
onto the wrapping-paper. Fig. 8 is a detail in perspective of one of the end-flap-folding members. Fig. 9 is a face view of the folding 55 member shown in perspective in Fig. 8. Fig.
10 is a detail View showing the lower pivoted ends of the outwardly-swinging arms, which carry at their upper ends the end-folding members. Fig. 1l -is a detail view of the 6o knife which cuts off a measured length of wrappingpaper. Fig. l2 is, a detail view showing the article to be wrapped as having been deposited on the'wrapping-paperand in readiness to be depressed in the'first step of 65 the folding ofthe wrapping-papel'. Fig. 13 is a detail showing the second step of the wrapping in which the end flaps are folded up against the opposite edges of the article. Fig. 14 shows the third step in the folding, in which the opposite iiaps are shown as folded one over the other. Fig. 15 illustrates the fourth step in the folding operation. Fig. 16 is a detail showing 'the opposite end flaps being folded against the end of the article, and Fig. 17 shows the article on the folding-table in readiness to be fed forward i to have the last flaps folded by the flaps being forced into the inclined slots shown in said table.
Reference now being had to the details of the drawings by letter, A designates the frame of the machine, which may be suitably housed and which supports the operative features of the invention. In the lower part of the frame is suitably journaled a drivingshaft B, to which power may be applied from any source, which maybe transmitted to the pulley B', mounted on said shaft. Keyed or otherwise secured to rotate with said shaft is a cam-wheel C, having a cam O on its periphery, and on the inner face of said cam-wheel is a segment-cam C2. (Shown plainly in elevation in Fig. 4 of the drawings, also in Fig. 2.) This segment-cam extends substantially one-third the distanceabout the face of the cam-wheel and carries a pin orlugCi.
D designates the folding-table on which the articles to be Wrapped are deposited and along which the partially-wrapped article is advanced during the folding of the last flaps, and E the trough through which the'articles to be wrapped are fed to a position from which one by one the articles are taken through the machine to receive the wrappers.
IOO
The wrapping-paper is reeled on a shaft F, journaled at one side of the frame, and is fed between the feeding-rollers G and G', the former of which rollers is journaled in stationary bearings, while the roller G is journaled in the vplates G2, having their upper ends inverted-L-shaped to engage over the upper ends of the upright portions of the frame. Set-screws G3 are passed through threaded apertures in said in-verted- L-shaped ends, and the ends of said screws bear against the tops of said upright portions .of the frame, as seen clearly in Fig. 3 of the drawings. By this adjusting means the feed-rollerG', which is journaled in said plates G2, may be slightly raised or lowered to regulate the frictional contact of said roller G' against the wrappingpaper beneath. Said feed-roller has a bevel gear-wheel G4, keyed to rotate with its projecting end, which gear-wheel is in mesh with a bevelgear-wheel G5, Fig. 2, the latter wheel G5 being keyed to rotate with the diagonallydisposed shaft GG, the upper end of which is journaled in the bracket G7, while the lower end of said shaft G6 has mounted to rotate therewith a bevel gear-wheel G8, which is in mesh with a bevel gear-wheel G9, which latter is keyed on the main driving-shaft B, Fig. 3. From this construction it will be observed that the feeding-roller G' is constantly in motion while the machine is in operation, while the roller G has an intermittent rotary movement, said wheel Gbeing idle for a moment in each revolution to allow the wrapping-paper to be cut off. Upon examination of Fig. 4 of the drawings it will be seen that a portion of the circumference of the roller G' is recessed, as at g, the bottom wall of said recessed portion being on the arc of a circle of smaller diameter than the main body portion of the roller, so that when said recessed portion of the roller is presented adjacent to the paper beneath a slight space will intervene between thefpaper and the reduced or recessed portion, andas there will be no frictional contact between the roller G and the paper while this recess is passing adjacent to the paper the latter will remain stationary. The curved or convexed bottom of this recess serves another purpose, however, in that it khas a tendency to hold the wrapping-paper from doubling or flapping up from the under roller G while the paper is stationary.
The paper after being measured off a sufficient length for the wrapper, which is 4determined by the circumference of the-feedingsurface of the roller G', passes through slots H in the plates H' and H2, which are mounted horizontally on the top of the frame, and be tween each of said plates H and H2 is a slight space of sufficient width to allow the-cuttingknife I to pass between Vto cut olf the wrapping-.paper the properlength. Said cuttingknife ispivoted at I' to an angle-iron I2, Figs. 3 and l1, said angle-iron being held to the frame of .the machine. i To theknife is pivotedhat J one endotthe rodJ', the other end of which rod hasffpivotal 'connection with the end of the rod J2, which is pivoted at its other end to the pin J2, Fig. 2, which pin is secured to the frame of the machine. A lug J4 on the circumference of the wheel J5 on the main driving-shaft at each revolution is adapted to trip the free end of the rod J2 and depress the latter, which will cause the knife to be thrown down through the space between said plates H' and H2. After the lug J4 passes the free end of the rod J2 the spring'J-G, fastened at one end to the Vbar J2, its other e'nd to the frame, will cause the knife to swing back to its upright position, as shown in Fig. 3. A tension device I5, Fig. 4, is provided, comprising a flexible plate bent upon itselfand designed to be held over the table 16, the inner end of which plate is adapted to bear with slight frictional pressure against the strip of 'paper which is fed through between the feeding-rollers and support same over the passage- .f
way through which the article to be wrapped is depressed, I provide a reciprocating plate K, which is mounted on the top of the frame and provided with two blades KX and KY, the former of which is slightly upwardly bent, so
that it will not offer any obstruction to the end of the wrapping-paper which is fed between the blades. This reciprocating plate is actuated by means of the iever K2, which is pivoted on the pin K3, Figs. 1 and 4. The upper end of this lever K2 has a contracted end 7c, which passes through an aperture in said plate K, and as the lever K2 is rocked on its pivot the plate is caused to reciprocate. The lever K2 is actuated by means of the blade-folding-actuatiug lever L, Fig. l. Said lever L is pivoted at L' to the frame, and a spring L2, mounted on said pin L', has one end secured to or bearing against a pin L3 on the lever L, while the other end of the spring bears against the frame in which the crosshead M reciprooates. This spring serves to hold the levers K2 and L normally in the positions shown in Fig. l.
The lower end of the lever L is concaved, as at Z, Figs. 2 and 4, and is disposed in the path of the segment-camC2, so that at each `revolution of the wheel C said segment-cam will strike against and tilt the lever-L. The object of recessing the lever L at l is for the IOS purpose of allowing said lever to return toits i ment-cam is the last portion thereof to leave the lever` and rides-in said recessed portion just before leaving the lever. If the edge of f the lever were straight, it will be readily unlderstood that the lever would be slower in returning to its normal position, too slow, in
fact, to actuate the plate K at the proper time, also the side-folding blade, and'have the Said cam irst seat/5G latter accomplish its work in advance of the folding-blade on the opposite side of the passage-way containing the article being folded. The upper end ot' said lever L is slotted land loosely receives the pin L4, which is disposed in the slot K5 of the lever K2. This pin L4is secured to the folding-blade N, which reciprocates horizontally as the lever L is tilted and is thrown forward a sufficient distance to fold over the second of the upright flaps. To the under face of said folding-blade N is secured a spring-iiap N', the forward end of which spring is fastened to the inner end of said blade, while the rear end, which is free, is slight-ly bent downward toward the folding-table D, and against this spring, as well as against side springs N2, Fig. 4,' at right angles to the opposite longitudinal edges of the table D, the wrapped articles are held while being forced out through the trough formed by the springs on three sides and the table as a bottom. Said springs N2 are vertically disposed on opposite sides of the passage-way down through which the articles to be wrapped pass to steady the same, as they are being depressed onto the folding-table.
The articles to be wrapped as they are fed singly to a position over the passage-way down through which they are depressed with the wrapping-paper beneath, the articles being forced forward by a succeeding article crowding the one in front of it forward, are held suspended over the wrapping-paper for a moment after the slotted plate K has been withdrawn, said swinging shoe O, which is angled at its lower end and at its upper end is pivoted to the yoke O2, secured to the upper end of the frame of the machine. This yoke is bent upon itself at its longitudinal center, with a space intervening between its arms, into which space said foot is allowed to swing, so that its lower end will be free from the article to be wrapped and be out of the way of the arms which carry the article, with the wrapper, down to the wrapping-table beneath. Mounted on the pivotal pin O' is a plate O3, which carries a pin O5, which passes' through a slot in one arm of said yoke and has its inner end secured to the shoe O, and the outer edge of said plate O3 is disposed at an inclination and slightlyin advance of the forward end of said shoe, for a purpose which will hereinafter appear.
Secured to the outer face of the cam C is a pin C5, which has a sliding movement in the elongated slot C6 of the lever C7, which latter is pivoted at C5 to the frame. To the lever C7 is pivoted the lower end of the pitman P, the upper end of which is pivoted to the sliding plate M5, which has a sliding connection with the head M. This cross-head reciprocates in the frame, being confined in grooves therein by means of the gibs M2. To the outer face of said cross-head is fastened an ear M3, which carries a pin M4, on which the lower angled end of the arm Q is pivoted. Ou the same pin M4 is pivoted one end ot' the link Q', Fig. l0, said link being also engaged by a pin Q2, which passes through the lower end of the arm Q4, thus causing the link and arm to tilt together. The lower end of the'arm Q is concaved, as at Q3, and has a frictional bearing against the convex portion of the end of the second arm Q4. Shoulders Q5 on the meeting ends of said arms serve to limit the inward throw of the upper portion of said arms, while a lug Q serves to limit the outward throw of arm Q, andthe slotted angle-iron Q7, Fig. 10, serves to limit the outward lthrow of the arm Q4. The free end QS of the link Q', Fig. l, passes through a recess in the plate M5, and as the sliding plate M5 when at its highest limit begins to move downward a short distance independent of the cross-head, said distance being limited by the end of the slot M6 coming into contact with the pin u, carried by the cross-head, the two arms will be thrown toward each other. The upper ends of these arms are provided with plates R, which are disposed at right angles to the length of the arms, and when at their inner limits are designed to engage over the top of the article about to be wrapped. The sliding plate M5, to which the upper end of the ptman is pivoted, is slotted at its lower end, as at M, and a headed screw m2 holds the lower end of said plate to the cross-head and allows a limited play to said plate.
M8 is a spring, one end of which is fastened to the frame of the machine, while the upper free end bears against the inner face ot' the cross-head with sufficient frictional pressure to hold the cross-head suspended while the sliding plate M5 is traveling a distance equal to the length or" the slot M6 in the upper end thereof. The cross-head, it will be noted, remains stationary at its highest limit for a moment, during which interval the endfolding blades S are allowed time to swing in against the ends of the article being wrapped and engage behind the guide-plates S'ou either side of the central upright portion of the frame of the machine. Pivoted to each plate S7, each of which supports a folding-blade S, is a folding member S2, a detail View of which is shown in Fig. 8, and each member S2 has a pin S5 at right angles to the length of `the member, Figs. 8, 9, and 15. This pin is held to its forward limit by means of a spring S4, secured to the folding-blade S and bearing against the pivoted end of said member. The outward throw of the folding member is limited by the shouldered portion S5 coming in contact with the pin SG.
The lower end of each folding-blade S, each of which blades is mounted on a plate S7, adjustably held at diderent heights 'ou the arms Q and Q4, is provided with a recess, one edge of which has a cam projection T near the upper end of the recess, while the other edge of the slot is gradually curved, as seen at T', Fig. 1G. These curved edges of the recess in the blade S are for the purpose of folding the opposite edge aps of the wrap- IOS IIO
per, and the reason of providing the abrupt curve or cam on one edge of the recess is to fold in one flap slightly-in -advance of the opposite one. The cam projection first coming in contact with one flap will begin to fold it before the edge of the recess with a gradual curve reaches the opposite flap, so that the two edge flaps will be folded without interference with each other. In order tothrow the folding member S2 outward after it' has folded'the two horizontal flaps and not to be in the way to interfere with the folding in of I the edge flaps, an inclined projection or angled plate T5, Figs. l and i?, is provided, which is secured to the frame with its outer inclined end in the path of the -pin S9, 'which pin strikes against the rounded end of said angleiron and throws the lower free end of the folding member S2 outward at the moment the opposite edge flaps are being folded. lt will be observed that while the flaps are being folded by the plates S the plates R at the ends of the arms Q and Q are in engagement with another article to be wrapped and drawing the same down to the folding-table to take the place of the preceding article being wrapped, which latter, however, is lpushed out of the path of the following article by a plunger. As an edge of one of said plates R comes in contact with the inclined edge of the member O3 the shoe will be thrown back into the yoke and the article will be deposited on thewrapping-paper preparatory for its depression onto the folding-table.
' Vdesignates ablade-actuating lever which is pivoted at V, and a spring V2, Icarried by said pin V', has one end bearing yieldingly against the gib for the cross-head, while its other rend bears against a pin V3 on the lever V and serves to hold the lever V in the position shown injFig. l of the drawings. The lower inner edge of said lever V is disposed in the path of the cam C', and at each revolution of'the wheel O said lever is tilted, and the upper end yof the lever is slotted, as at V4, and receives a lug V5, which is secured to the horizontally-folding blade V6. (Shown iu Fig. 4.) To the upper edge of 'said lug V5 is fastened oneend of a spring-flap V7, which spring carries at its forward end a pin VB, the endsof which are passed through the inclined slots V9k in the upright portion of the frame,
c andas said folding-blade V5 is driven forwardthe forward end of the spring will be depressed, and through its connection with said blade the latter will be ,yieldingly held down as lthe blade is driven forward, thus allowing the blade toyield slightly should an article being wrapped happen to be of a greater thickness than an average article.
All ofthe iiaps of the wrapper with the exception ofthe last or final flap having been folded by the mechanism described, the plunger W, whichjis mounted on the table D, is driven forward by means of the lever WV", Fig. 4, which lever is mounted to tilt on the pivotal pin w and normally held in the position shown in Fig. 4 by means of the spring f W2,l which is carried by the pin W3, one end of said spring bearing against the edge ofthe lever W', while its other end bears against the frame of the machine. The upper end of the lever W is contracted and passes through an aperture in the bottom of said plunger, whereby as the lever'is rocked on its pivot the plunger willbe driven forward and returned to its starting'position. The lower end of said lever V/ is pivoted to the link W4, which in turn is pivoted to the trip-arm W5, which is pivoted at WG to the frame of the machine. The lower end of the trip-arm W5 projects a short distance beyond its lower pivotal point, and said projecting end is disposed in the path of the pin C3, whereby at each revolution of the segment-cam carrying said pin said arm is tripped, and through its connections with the plunger the latter is driven forward gradually, and after the projecting end of said arm leaves the pin C3 the arm will quickly return to its normal position, and in so doing the plunger will under the influence of the spring W2 return to its starting position. Said plunger is slotted in from its outer or wrapper-engaging end, as shown at W7, Fig. 3, to receive the lower end of the spring W5, the upper end of which spring is secured to the frame directly underneath the slotted plate H2. This spring W'8 is provided for the purpose of holding the-articles being wrapped from falling down on the foldingtable and yields slightly as the depressingarms are pulling the article partially wrapped down into a position to have the final iiaps folded. As the plunger forces the article forward on the table for the purpose of causing the last flaps to be folded said last flaps, which are downwardly disposed and slightly curved, enter the two diagonally-disposed slots X and X, one being slightly in advance of the other and projecting outward over the opposite sides of the table, forming wings to guide the end iiaps, so'that the last iiap on one end will be folded in advance of the other and folded underneath the bottom of the article. After the articles are wrapped they are pushed out through the trough by the succeeding articles.
In operation the paper is fed forward by the feed-rollers, and is cut by the knifethrough the medium of the pivoted rods J' and J2, the latter of which is tripped by the lug J4. The slotted member K is pushed forward to receive and support the wrapping-paper, while the latter passes over the space down through which both the paper and article `to be Ywrapped are depressed. As the cam-wheel C rotates, so that the cam C will contact with the lower edge of the lever V, and, tilting the latter, the folding-blade V6 will be thrown forward and fold one ofthe upright'aps. (Shownin Fig. 13.) Aftersaid liap is partially folded the segment-cam 'C2 on the opposite face of the wheel C will contact with the lower end of the lever L and commence to tilt same, and as it tilts the folding-blade N IOO IIO
will be thrown forward to fold the second upright iiap, Fig. 13. As the pin C5 begins to raise the lever CT, to which the pitman is pivoted, the latter will impart a longitudinal motion to the sliding plate M5, which will cause the link Q8 to tilt the arms Q and Q4, so that their upper ends will be thrown outward as they rise. During this movement, owing to the pin C5 being at the inner end of the slot C5, the movement of the pitman will be accelerated, and the speed of the pitman will be somewhat slackened on its downward throw as the pin C5 changes its pivotal center to the opposite end of said slot C6. Vhen the pitman reaches its highest throw and commences to descend, it will be observed that the sliding plate M5 will have a slight downward movement independent of the cross-head, the latter remaining stationary for a moment, sufficiently only to allow the depressing-arms Q and Q4 to be thrown toward each other and into vertical positions, with the plates secured at their upper ends directly over the ends of the article to be wrapped. As said arms are thrown inward on the downward movement of the sliding plate M5, actuating the link Q8, which draws the arms together, the folding-blade S, one on each side of the central portion of the frame of the machine, will engage behind the guide-plates S. By the time the sliding plate M5 reaches its lowest limit with relation to the cross-head on which it is mounted and when the upper end of the slot MG contacts with the pin m the cross-head will commence to descend with the sliding plate, and as the edge of the slotted or recessed blade having the cam T contacts with one of the edge fiaps l it will be partially folded before the opposite fiap is folded in by the edge T', which isgradually outlined. Previous, however, to the folding of the opposite edge iiaps the upper iiaps are folded down by the member shown in Fig. l5 of the drawings, which member engages the flaps as the blade S commences to descend. As the pin S9 contacts with the rounded edge of the angle-iron T5 and throws the lower end of the folding member Sz outward, so that it will not interfere with the folding in of the opposite edge iiaps, by the time the edge flaps are folded in the swinging folding member S"2 will have passed over the angle-iron T5 and resume its normal position. After the top and edge iiaps have been folded the plunger XV is driven forward and forces the article, with its downwardlyextending remaining flaps, one at each end'thereof, forward, and said flaps enter the slots X and X, which are arranged one in advance of the other, and thelast flaps are folded under the bottom ofthe article, and the succeeding articles will force the wrapped ones out through the trough, from which they may be fed to au apparatus forpacking'same in boxes for shipment.
` In this application I make no claim for a feeding mechanism for conveying the articles to be wrapped, but have shown in Fig. 2 a belt Z, on which a line of caramels or other articles to be wrapped may be fed into the trough. A sufficient forward pressure will be exerted on the line of articles in` the feedingtrough to advance same one by one to a position above a severed piece of paper.
Vhat I claim isl. A wrappingmachine, consisting of a frame having folding mechanism, awrapperfeeding device, a dependingshoe for temporarily holding an article to be wrapped, and means for swinging the shoe from underneath said article preparatory to its being wrapped, as set forth.
2. A wrappingmachine, consisting of a frame and folding apparatus, a wrapper-feeding device, a depending swinging shoe on which an article is fed and temporarily held, arms designed to depress the article and wrapping-paper onto a folding-table, and` means actuated by one of said arms, for depositing the article to be wrapped on the wrappingpaper by withdrawing said shoe, as set forth.
A wrappingmachine, consisting of a frame and folding` mechanism, a wrapperfeeding device, a depending swinging shoe mounted over the wrapping-paper, and designed to temporarily7 hold the article to be wrapped over the paper, arms for engaging the article, one of saidarms adapted to swing said shoe from under the article to be wrapped, and means for depressing the article and paperbeneath same onto a folding-table, as set forth.
4. A wrapping machine consisting of a frame and folding mechanism, an intermittent wrapping-paper feeder for advancing the paper to a position on which an article is deposited, means for cutting the wrapping-paper a measured length, a yoke secured to the frame, a swinging shoe pivoted thereto, and having an angled end adapted to temporarily support the article to be wrapped, the pivoted arms for engaging the article and depressing same with the wrapping-paper onto a wrapping-table, one ofsaid arms designed to throw the shoe back to free the article as the arms approach each other, as set forth.
5. A wrappingmachine, consisting of a frame and folding mechanism, an intermittent wrapping-paper-feeding mechanism for advancinga piece of paper to a position to receive an article to be wrapped, means for cutting the paper a measured length,i a yoke secured tothe top of the frame, a swinging shoe having a projection designed to temporarily support the article to be wrapped, a plate pivoted to swing with said shoe, and arms havingangled ends which engage and depress the article to be wrapped, one of said arms designed to contact with and swing said plate and the shoe secured thereto backward to free the shoe from the article, as set forth. y
G. A wrapping-machine, consisting of a frame andfolding mechanism, an intermittent wrapping-paper-feeding mechanism for IOO IIO
the paper to a measured length, a yoke secured to the frame, a shoe, having an angled projection, and pivoted within said yoke, a
p plate mounted to swing-with said shoe, and
guided by a pin Working in a slot in one of the arms ot' the yoke, the edge of said plate being inclined, the pivoted arms with plates secured to the ends thereto which are adapted to engage over the article to depress same onto a wrapping-table, one of said arms adapted to contact with said plate and swing same together with said shoe rearward to release the article and deposit same on the wrappingpaper, as set forth.
'7. Awrapping-machine, comprisinga frame and folding mechanism,an intermittent wrapping-paper-feeding mechanism, for advancing the paper to a position to receive an article to be Wrapped, a reciprocating paper supporting and guide plate, means for operating same, a swinging shoe for temporarily supporting the article to be wrapped over the wrapping-paper which has been `cut to a measured length, and mechanism for swinging the shoe rearward and for operating said guideplate, as set forth.
8. Awrapping-machinc comprisingaframe and folding mechanism,paperfeeding means, a reciprocating plate mounted on the frame of the machine and having two blades KX and KY spaced apart, a tilting lever engaging said slotted plate, and adapted to reciprocate the same, and means for tilting said lever, as set forth.
9. Awrapping-machine, comprising in combination with the frame, the paper-feeding mechanism, means for cutting the paper, swinging arms which are adapted to automatically grip an article which has been depositedupon the wrapping-paper, means for operating said arms and depress the same with the wrapping-paper, and means for folding the opposite longitudinal edges of the Wrapping-paper about an article resting on a folding-table, as said swinging arms are raised to their highest position, as set forth.
l0. A wrappingmachine, comprising in combination with the frame of the machine, means for feeding the paper to a position to receive an article to be wrapped, pivoted and vertically-reciprocating arms adapted to grip the article which has been superimposed upon the wrapping-paper and depress the same with the wrapping-paper, means for operatin g said arms, a wrapping-table, and means for folding one edge of a wrapping-paper resting on said table on which an article to be wrapped rests, slightly in advance of the opposite iiap, said folding being effected in thc upward throw of said reciprocating arms.
. 1l. In a wrapping-machine, the combination with the frame, reciprocating pivoted arms,which are adapted to engage and depress an article tobe wrapped, which has been superimposed upon the wrapping-paper, means for operating said arms, a stationary wrapping table, horizontally movable foldingblades mounted above said table, and levers which are adapted to actuate said blades, one in advance'of the other, as said swinging arms are raised to depress a following article to be wrapped, as set forth.
l2. A wrapping machine, comprising in combination with the frame, vertically-movable swinging arms, which are adapted to engage and depress an article to be wrapped, which has been previouslysuperimposed upon a piece of wrapping-paper, means for operating said arms, a driving-shaft and connections between said shaft and the swinging arms for operating the latter,folding-blades adapted t0 be actuated, one in advance of the other, as said arms are raised to their highest positions, as set forth.
13. A wrapping machine, comprising in combination with the frame, an operatingshaft, a reciprocating cross-head, pivoted and swinging arms carried'by said cross-head,con nections between said shaft and cross-head for operating the latter, and means for tilting or swinging said arms as the cross-head reciprocates.
14. A machine for wrapping articles, comprising in combination with the frame, a driving-shaft, a cam-wheel mounted thereon, a cross head and connections between same and said cam wheel for reciprocating the cross-head, folding-blades, which are driven forward by said cam-wheel as the cross-head rises, pivoted and swinging arms carried by the cross-head, and adapted to be thrown outward as the cross-head is raised, and means for throwing the arms toward each other as they approach their highest position, as set forth.
l5. A machine for wrapping articles, comprising in combination with the frame,`a driving-shaft, cam-wheel mounted thereon, a reciprocating cross-head, horizontally-disposed IOO IIO
folding-blades, which are driven forward by the cam-wheel, as said cross-head rises, pivoted arms mounted on said cross-head, and end-folding blades carried by said arms, as set forth.
16. A machine for wrapping articles, comprising in combination with the frame, a driving-shaft and cam-wheel rotating therewith, a reciprocating cross-head, connections between same and said driving-shaft, the sidefolding flaps actuated by said cam-wheel, the
pivoted arms carried by the cross-head, and l oted arms carried by the cross-head and means for tilting said arms as the cross-head reciprocates, an edge-flap folding blade secured to each of said arms, and a pivoted folding member carried by each arm, as set forth.
1S. A wrappingmachine, comprising in combination with the frame,the driving-shaft, cam-wheel rotating with said shaft, horizontally-movable :folding-blades and levers actuated by the cam-wheel for operating the same, a reciprocating cross-head, pivoted arms carried thereby, and adapted to be tilted as the cross-head reciprocates, edge-folding blades carried by said arms adapted to be thrown toward each other, as said arms approach their highest positions, and means for holding said blades so that as they descend they will be held parallel to each other, and a pivoted folding member carried by each arm, as setforth.
19. A wrapping machine, comprising in combination with the frame,thedriving-shaft, cam-wheel rotating therewith, the horizontally-movable folding-blades, levers contacting with said cam-wheel for operating said folding-blades,a reciprocating cross-head and connections between same and the cam-wheel, the pivoted arms carried by thecross-head, and rocked or tilted as said cross-head reciprocates, a blade carried by each of said arms, which blade is adapted to fold the opposite edges of the wrapper, and retaining guideplates held to the frame of the machine behind which said edge-folding blades are adapted to engage, and be held in parallel relation against the article to be wrapped as said blades are descending, and a pivoted foldingfiap carried by each arm, as set forth.
20. A wrappingmachine, comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, a reciprocatingcross-head,the horizontally-reciprocating folding-blades, the pivoted arms carried by the cross-head, a blade adapted to fold the opposite edges ofthe wrapper carried by each of said arms, means for throwingr said edgefolding blades toward each other as the crosshead is driven to its highest position, stationary retaining guide-plates, behind which said cross-head is thrown, a pivoted folding member on each of said arms and having a projection which is adapted to fold the top flaps slightly in advance of the folding of the edge flaps, and means for throwing said pivoted folding member outward, as the opposite edge flaps are folded, as set forth.
2l. A wrapping-machine, comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, the horizontally-movable folding-blades, means for actuating same, the reciprocating cross-head, pivoted arms carried thereby, and means for tilting the same as the cross-head reciprocates, folding-blades secured one to each arm, which blades are adapted to fold the opposite edges of the iap, one in advance of the other as said blades are held in parallel relation, and
on theirdownward movement, a pivoted folding member on each of said arms, a stationary-portion ot' the frame in the path of said pivoted folding member adapted to throw the latter outward as the opposite edge flaps are being folded, as set forth.
22. A wrappingmachine, comprising in combination with the frame, the ope atingshaft and cam-wheel rotated therewith, the horizontallymovable foldingblades and means for operating the same, the cross-head, connections between same and the operatingshaft, the pivoted arms carried by the crosshead, means for tilting said arms as the crosshead reciprocates,the edge-folding blades and pivoted folding member carried by each of said arms, means for adjusting said edge and top folding members longitudinally on each of said arms, as set forth.
A wrappingmachine, comprising in combination with the frame, the operatingshaft, a reciprocating cross head, pivoted arms carried by said cross-head, means for im parting an intermittent motion to the crosshead as the shaft is rotated.
2l. A wrappingmachine, comprising in combinationwith the frame,the driving-shaft, a reciprocating cross-head, and means connected with said shaft for operating same, pivoted arms carried by said cross-head, and means for throwing the upper ends ot' said arms toward each other when the cross-head is at its upper end, and stationary, as set forth.
25. A wrapping machine, comprising in com bination with the frame,the driving-shaft,
the cam-wheel, a reciprocating cross-head, the horizontal folding-blades, means for operating the same, a sliding plate carried by the cross-head, and having pitman and lever connections with said cam-wheel, the pivoted arms, and means for actuating same as said plate slides, as set forth.
26. A wrapping machine, comprising in combination with the frame, driving-shaft, cam-wheel rotating therewith, a reciprocating cross-head, a sliding plate secured to said cross-head, and having a longitudinal play, pivoted arms carried by the cross-head, apivoted and tilting link actuated by said sliding plate, and adapted to operate said pivoted arms as the crosshead and plate carried thereby are reciprccated.
27. A wrapping machine, comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, a reciprocating cross-head, a plate having a longitudinal sliding connection with said cross-head, pitman and lever connections between said plate and the cam-wheel, the arms carried by the cross-head, and having their lower ends angled, one of said angled ends being concaved to receive the convex end of the other, and adapted to tilt in contact with each other, and a link adapted to tilt one of said levers, as set forth.
28. A wrapping machine, comprising. in combination with the frame, the drivin g-shaft ICO and cam-wheel rotating therewith, the reciprocating cross-head adapted to be stationary for a moment when atits highestlimit and sliding plate mounted thereon, pitman and lever connections between said cam-wheel and the sliding plate, the arms carried by the crosshead and having their lower portions angled, one end being eoncaved and the other convex, and held in contact with each other, a link mounted on one ofthe pivots of said arms, and having pivotal connection with the angled portion of one of said arms,whereby as said sliding plate is reciproeated independent of the crosshead, said arms are tilted upon their pivots, as set forth.
29. A wrapping machine, comprising in combination with. the frame, a driving-shaft, reciprocating cross-head, a sliding plate mounted thereon, connections between said sliding plate and the driving-shaft, the pivoted arms carried by the cross-head, and having their lower ends angled and turning in contact with each other, one of the meeting ends of said arms being coneaved to receive the convex end of the other, shoulders on said ends to limit the throw of said arms, a link carried on one of the pivotal pins of said arms, and having pivotal connection with the angled portion of an arm, and its free end engaging a recess in said sliding plate, as set forth.
30. In a wrapping-machine, the combination with the frame, the shaft, the reciprocating cross-head, the sliding plate having slots at its opposite ends, screws secured to the cross-head and passing through said slots to limit the throw of said plate, the arms pivoted at their angled portions to the crosshead, the inner ends of said arms, being held in frietional contact, shoulders to limit the throw of said arms, and slotted guide-plates through which the arms pass, a link mounted on one of the pivots of said arms and having pivotal connection with the angled end of one of said arms, the end of said link adapted to rest in a recess in said sliding plate, and to be tilted by the latter as the plate reciproeates independent of the cross-head, as set forth.
3l. In a wrapping-machine, the combination with the frame, the driving-shaft, the cam-Wheel rotating therewith, the cross-head, the pivoted arms carried thereby, sliding plate mounted upon the cross-head, means for tilting said arms as the plate moves independent of the cross-head, a slotted lever C7 pivoted at one end to the frame of the machine, pitman connection between said lever and sliding plate, and a pin C5 mounted eccentrically ou said cam-wheel and working in the slot of said lever, whereby the crosshead has an accelerated motion during its upward movement, and a gradual movement on the downward throw of said cross-head, as set forth.
32. A wrapping-machine, comprising in combination with the frame, the driving-shaft and cam-wheel rotating therewith, a reciproeating cross head, sliding plate mounted thereon, pivoted arms carried by the crosshead and means for tilting said arms as said plate is actuated independent of the crossliead, a slotted lever pivoted to the stationary portion of the frame, a wrist-pin carried by the cam-wheel and having a sliding play in said lever, and pitman connection between said sliding plate and lever, as set forth.
33. A wrappingmachine, comprising in combination with the frame,the driving-shaft, cam-wheel rotating therewith, a segment-cam mounted on one face of the cam-wheel, the pivoted levers L and V, the folding-blades actuated by said levers L and V, the paperguiding plate mounted on the table, a pivoted lever K2 actuated by said lever L for reciproeating said guide-plate.
34. A wrapping machine, comprising in combination with the frame, driving-shaft, the cam-wheel rotating therewith, the lever V normally held in contact with the cam edge ot' said Wheel,'a horizontal folding-blade having a bar V5 engaging an aperture in the upper end of said lever, a spring V7 secured to said bar and a pin V8 secured to the free end of said spring, and adapted to slide in diagonally-disposed slots V9 in the frame of the machine, whereby as said horizontal blade is drawn forward, the spring will be slightly under tension, and the folding-blade adapted to yield slightly, as set forth.
35. A wrappingmachine, comprising in combination with the frame,the driving-shaft and cam-wheel mounted thereon, a segmentcam on the face of said cam-wheel, the pivoted lever L actuated by said segment-cam, a spring mounted on the pivotal pin of said lever, one end bearing against the stationary part of the frame, its other end against a pin on said lever, and adapted to normally hold the lower coneaved portion of said lever in the path of the circumference of said segment-cam, a pin carried at the upper end of said lever, the folding-blade secured to said pin and a spring secured to said blade, and a tilting lever slotted, and engaging said pin, and a paper-guide plate actuated by said tilting lever, as set forth.
36. In a wrapping-machine, the combination with the frame, the driving-shaft, the cam-wheel, a reciprocating cross-head, a sliding plate mounted on said cross-head, pivotal connections between the cam-wheel and said plate, and a spring bearing against the crosshead and adapted to frictionally engage and hold the same suspended while said plate has a movement independent of the cross-head, as set forth.
37. A wrapping machine, comprising in combination with the fram e,the driving-shaft, the cam-wheel mounted thereon,the segmentcam, the pin mounted on said segment, the tilting lever actuated by the segment-cam, and the folding-blade actuated by said lever, a plunger, a lspring-actuated pivoted lever having connection with said plunger, a trip IIO member pivoted tothe frame and having link oonnectionswith said plunger-engaging lever,
the lower end of said trip disposed in thepath of said pin on the segment-cam, whereby the plunger is drawn forward and automatically returned toits starting position bysaid springactuated lever, as set forth.
38. A wrapping machine, comprising in combination with the frame, the driving-shaft and cam-wheel,the plunger,the table on which the same is mounted, the spring-actuated lever engaging said plunger, the pivoted trip, link connection between the same and said lever, the pin mounted on the cam wheel adapted to contact with said trip to drive the plunger forward, said plunger being longitudinally slotted, a spring secured to the frame and having its lower free end engaging in the slotted end of said plunger, as set forth.
39. A wrapping-machine, having in combination with the frame, the driving-shaft, the cam-wheel mounted thereon, the plunger and folding means, and mechanism for operating the same,the folding-table having diagonallydisposed and slightly-curved slots in its opposite edges, one in advance of the other, and into which the last flaps of the wrapper are adapted to engage as the articles being wrapped are successively driven by the plunger outward, the outer marginal walls of said slots projecting outward over the opposite sides of the table, forming Wings to guide the end flap, as set forth.
40. In combination with the cross-head and pivoted arms carried thereby, the foldingblade S secured to each arm, said plate having its lower end slotted, one edge of which is provided with an abrupt curved portion T, and its opposite edge curved gradually, as set forth.
In testimony whereof I hereunto afx my signature in presence of two witnesses.
JOHN H. FELMLEE.
Witnesses:
J. M. PEEIFFER, A. L. HOUGH.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699022A (en) * 1948-11-24 1955-01-11 Wollett Ernest Sigsbee Sandwich wrapping machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2699022A (en) * 1948-11-24 1955-01-11 Wollett Ernest Sigsbee Sandwich wrapping machine

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