US2470236A - Package opener - Google Patents

Package opener Download PDF

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Publication number
US2470236A
US2470236A US614555A US61455545A US2470236A US 2470236 A US2470236 A US 2470236A US 614555 A US614555 A US 614555A US 61455545 A US61455545 A US 61455545A US 2470236 A US2470236 A US 2470236A
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package
knife
arm
carrier
side walls
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US614555A
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Charlop Elliot
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Individual
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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
    • B65B69/00Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033Unpacking of articles or materials, not otherwise provided for by cutting

Definitions

  • Thisinvention relates to a package opener. It comprises means for holding apackage containing cigarettesor the like andv mechanism for slitting, the. package. part way across one .end and pushing out some of'its contents.
  • the pushing means may be omitted.
  • the package is slit partially acrossat one end ofthe cigarettes, the slit extending. from the narrow side of the package without injury to the cigarettes contained therein.
  • the flap thus produced, in one form of my device, may be left on the package to form a protection for the cigarettes. In another form of the-device, additional.
  • cutting mechanism is provided to cut off the flap.
  • the package is advanced into arotating cutting edge which slits the wrapper.
  • the cutting edge is that of a circular knife-and driving means are provided for theknif'e which provides different portions of thecircumference of the knife for the slitting of successive packages to. prevent excessive wear at any oneportion of. the cutting edge.
  • the knife is enclosed in a casing.
  • Another object of the invention is the automatic gauging of the package at the sidewall adiacent the knife so that the latter will slit the wrapper or cover. at the proper'distance from the endof the package. This is important to prevent injury to the. cigarettes as while the cigarettes are produced inaccurate lengths, the. wrapper may enclose them with varying amounts of'looseness.
  • the spacing of. the side walls .where the package is inserted may be more thanthe length of. the package for its easy insertion. into the casing, yet in the vicinityof theknife the wallsare accurately gauged sothat the end of the package adjacent the knife is pressed against the sidewall. adjacent the knife, the latter being mounted in. close proximity to the latter. sidewallwith its.
  • the spacing of the side walls at the knife is not depended upon, but springmeans are provided so thatas the. ackage is. moved-past the knife for the slitting of its wrapper, the endoi the package at the knife is. pressed. against the side wall adjacent the. knife.
  • Fig. 1 is an isometric view of thepackageopener.
  • Fig. 2 is an isometric diagramv of .the. knife and package shown by themselves to illustrate the. slitting action of the knife.
  • Fig. 3 is an isometric diagr-amof thepackage by itself shown. slit, and withanarrow indicating the action of .the pusher in. pushing out a-fewcigarettes.
  • Fig. 4 isv an elevation of theknifeandoverrunning clutch shownby themselves.
  • Fig. 5 is an elevation. looking into the. back-of. the machine, that'is along the line 5--5 on Fig. 6,. the stay under the knife being omittedlfor clarity.
  • Fig. 6. is section,.to a smaller scale than Fig-5,
  • Fig. 7 is apartial elevationto .a smaller scale showing amodified form of thedevice, in'which a leafspring is provided for forcingoneendof the package against the sidewall adjacent. the knife.
  • Fig. 8 isvsubstantially anisometricview ofthe portion of the device at the ejector or pusher mechanism, the carriage being shownholding a. package opposite said. mechanism.
  • Fig. 9 is a sectional plan showingthepackage being slit by the knife.
  • Fig. 10 is an elevation ofa modified'form of the device looking towardthe- Wall adjacent the knife, an. additional knifebeing provided outside of the casingfor cutting off the flap,- and Fig-11 is a partial section, taken along the line H--ll of Fig. 10'.
  • the device has side wal-ls'li-andr Hand an arcuate front wall, one part ll of whichis attached to-sidewall l2 and theother part l5-of whichis attached-to-sidewall l3. Aspaceis leftbetween parts Hland-IEgiV-ing riseto slotlfi. The curva ture of parts Hand l5.-is circular. Shaft l!- is journaled atits. ends in sidewalls l2 and I3... Fixedly mountedon shaft” is segmental gear [8. A crooked arm I9 isfixed tov gear I 8. said arm; extending 1 up through. slotl6 and having handle Zll mountedon its outer end. Attached to. arm 19, justinsidef'ront wall.
  • partslA and 15- is a. channel-shaped package carrier 21- for holding the. cigarette package 2?. with itsv ends facing side walls l2 and. [3,.Figs. 6, 8 and 9. Witharm l9 and carrier 21in its extreme upper position, the carrier comes opposite tapered bulges 23 in side walls [2 and I3. Thispermits the easy introduction of a-package fi intocarrier Zlthrough opening 3! provided in the slotted. front wall formed of parts I4 and I5, Fig. 1.
  • with the package in it is swung down, the package is squeezed in by the tapered sides of bulges 23 so that when it passes down from the bulges it is held compressed between side walls I2 and I3. As will be seen later on, this is inn portant for the slitting of the package without injuring the cigarettes in it.
  • segmental gear I8 ceases to rotate pinion 25 and ratchet wheel 26, but because of its inertia, knife 28 will continue to turn for a while, pawl 29 slipping over the teeth of wheel 25. Because of this lost motion, different portions of the cutting edge of the knife are presented toward subsequent packages 22 as the latter are moved against the knife by the swinging down of arm I9.
  • the swinging down of arm I9 moves carrier 2I to push a part of package 22 near one end against the knife, partially slitting the wrapper as seen in Fig. 2.
  • side walls l2 and I3 are such, especially just above and opposite knife 28, as to squeeze the ends of the package between them so that the knife, which is in close proximity to side wall I3 will just slice the wrapper without injuring the ends of the cigarettes.
  • is provided in wall I3 for the accommodation of knife 28. It is to be observed that the width of carrier 2
  • a channel-shaped support 33 in the outstanding legs of which is mounted stub shaft 34.
  • a pusher plate Loosely mounted on shaft 34 is a pusher plate denoted in its entirety by the numeral 35.
  • An opening 36 is provided in plate 35, through which one end of spring 3'! projects, the spring being coiled about shaft 34 with its other end, not seen, engaging support 33.
  • Spring 3'! acts to resist yieldingly the rotation of plate 35, Fig. 8 in a clockwise direction.
  • the device in Fig. 8 is viewed in the same general direction as indicated by line 5-5 in Fig. 6, except that arm I9 has been broken off andthe carrier M has been swung down past knife 28.
  • carrier 2 I Further motion of carrier 2 I, as viewed in Fig. 8, would be down. As seen in said figure, the main portion of package 22 is beyond plate 35, only shoulder 33 of said plate being at the corner of the package at the opposite end thereof from where it was slit by knife 28 to form flap 39.
  • carrier 2I, lug 40 On said carrier, presses down on tongue 4
  • carrier 2! has swung down to its lowermost position, package 22 is discharged by gravity through opening 43 in the casing and tongue 4
  • a tension spring 41 Figs. 5 and 6 is fastened at its bottom to stay 48 and at its top to lug 49 on arm Said spring is placed under initial tension. Ehe swinging down of arm I9 about its pivotal axis, extends spring 41, so that when said arm is released it will be pulled up by the spring until it strikes stay 59.
  • a forked plate spring 5! attached to arm I9, is arranged to pinch stay for releasably fastening said arm in its upper position to prevent its rebounding.
  • the spacing of side walls is such that the ends of package 22 are squeezed between said side walls I2 and 3 at their portions opposite knife 23, so as to insure the proper gauging of the package between side wall I3 adjacent the knife and the knife for the proper cutting of the wrapper of the package.
  • a modified form of means is provided to ensure the proper gauging of the package.
  • the spacing of the side walls I2 and I3 is not wholly relied upon properly to gauge the package at the knife, but a plate spring 52 is fastened to wall 52 in the path of package 22 as it is swung down by arm I9, so that said spring is flattened by an end of the package as the opposite end of the package is pressed against side wall I5 and is entered into and slit by knife 28.
  • knife shaft 53 extends sufficiently through side wall H to have helical gear 54 fixed to its outer end.
  • Short shaft 55 is rotatably mounted in support 59, the latter being welded to side wall I3.
  • Fixed to one end of shaft 55 and meshing with helical gear 55 is a mating helical gear 56.
  • the other end of shaft 55 has cut-off knife 51 fifxedly mounted on it. Knife 51 projects through side wall I3 in slot 59 so that it can slice off flap 39 as it is moved past by carrier 2
  • a cigarette package opener comprising a carrier for holding the package, a pivotally mounted arm supporting said carrier, a rotatably concentrically mounted circular knife, the pivotal axis of the arm being spaced from and parallel to the axis of rotation of the knife, mechanism, connecting the arm and the knife, driven by the swinging down of the arm about its pivotal axis to rotate the knife, said swinging of the arm moving 1e carrier to cause a part of the package near one end to be moved against the knife, partially slitting its wrapper thereby, clear of the adjacent end of the cigarettes.
  • a cigarette package opener comprising a casing, a carrier for holding the package, an arm pivotally mounted on the casing supporting said carrier, said arm in its upper position holding the carrier opposite an opening provided in the casing for the reception of the package, a knife rotatably mounted on the casing, mechanism, connecting the arm and the knife, driven by the swinging down of the arm about its pivotal axis to rotate the knife, said swinging down of the germane rier being sufficiently tilted to discharge the packageby gravity when the arm isswung down to substantially the lowermost position.
  • a cigarette package opener comprising a casing having a pair ofside walls, a carrier for moving the package'between the side walls, a pivotally mounted arm, having its pivotal axis extending substantially perpendicular to the side walls, supporting.
  • said carrier a rotatably mounted knife with its axis of rotation substan-- tially perpendicular to the side walls, mecha-- nism, connecting the arm and thewknifa actuated bythe swinging down of the arm aboutitsapivotal' axis to drive the'knife to rotate about its axis of rotation, said knife being located substantially the thickness of the wrapper ofthe package'from one of said side walls, said swingingof the-arm moving'the carrier to push. apart of the package against the cutting edge of the knife causing to be slit a part of the wrapper along one side of; the package.
  • a cigarette package opener comprising a casing having; apa'ir of-side walls, a carrier for moving the package between theside walls, a
  • pivotally mounted arm supporting the carrier and having its pivotal axis extending substantially perpendicular to the side walls, a knife rotatably mounted in close proximity to one of the sidewalls, the axis of rotation of the knife being substantially perpendicular to the sidewall adjacent to it, mechanism, connectingthe" arm and the'knife, actuated by thefswinging' down of the arm about its pivotal axis: toeffe'ct the rotation'of-the knife, and means for-forcing one end of the package against the side: wall adjacent the knife, said swingingof the arm mov ing thecarrier-to push a part of on'e'endof the package against the rotating cutting edge of the knife.
  • a cigarette. package opener comprising a casing having a pair of side walls,a' carrier for moving: the package between the side walls with the ends of the package facing said walls, a'pivotally mounted arm supporting the carrier and having its pivotal axis extending substantially perpendicular tothe sidewalls, a kniferotatably mounted in close proximity to one of the side walls, the axis ofrotation of the knife beingsub stantially perpendicular to the side walradjacent to it, and mechanism, connecting the arm; and the knife, actuated-by the swinging.
  • a cigarette package. opener comprising-1av casing having a pair of side walls, acarrierfor' moving thepackage between-the sidewallswith:
  • the outer endof the arm extending; outside of the casing, thecarrier being supported bythe arm inside oi the'casing, said arm in its upper positiom-holdingthe carrier opposite anopening provided mzthe'casing'for thenreception of'the" package;the side walls being bulged outward at said opening; a knife rotatably mounted in close proximity to a portion of onev of the side walls, the
  • axis oi rotation of the knife being substantially perpendicular toxsaid portion, mechanism, conmeeting. the. arm and the knife, actuated by the.
  • "8i Alcigarettepackage opener comprising a casing having a pair'offside wallsand'an'arcuate front wall having a longitudinal slot thereimva pivotallymounted arm having'its pivotal axis extending substantially perpendicularto the side wallsiand substantially coincident with the center of curvatureofthefront wall, the outer end of the-arm extending through said slot to the outsideof said-front wall, a rotatably mounted knife, mechanism connecting'the.
  • A' cigarette package opener comprising a casing, a carrier for holding the'package, a pivotally' mounted arm supporting the carrier, said arminitsupper' position holding the carrier opposite an opening'provid'ed in the casing for the reception of'the package, a rotatably mounted knife inside the casing, mechanism connecting the. arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation'of'the knife, said swinging down of the arm. moving the carrier to cause a part of the package near one end to be moved against the knife.
  • A. cigarettev package. opener comprising a casing. having a pair of substantially'parallel side walls, a carrier'for. moving the package between the sides-walls, a'pivotally mountedarm supporting: the carrier and having its pivotal axis extending: substantially perpendicular to the side walls, arotatably'moimted-kniiewith its axis of rotation substantially perpendicular to the side 7 walls, mechanism, operatively connecting the arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation of the knife and a spring yieldingly resisting the manual force required for swinging down the arm, returning the latter when released to its upper position, said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife partially slitting its wrapper thereby.
  • a cigarette package opener comprising a casing having a pair of side walls, a carrier for moving the package between the side walls, a pivotally mounted arm supporting the carrier and having its pivotal axis extending substantially perpendicular to the side walls, a rotatably mounted knife with its axis of rotation substantially perpendicular to the side walls, mechanism, operatively connecting the arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation of the knife, said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife partially slitting its wrapper thereby, and a spring catch having mating parts, one part thereof being carried by the arm and the other part being attached to the casing for releasably holding the arm in its upper portion.
  • a cigarette package opener comprising a carrier for holding the package, a pivotally mounted arm supporting said carrier, a rotatably mounted knife, gear means rotatable in fixed relation to the arm and a gear coaxially mounted with the knife and engaging said gear means, the swinging down of the arm rotating said gear means, effecting the rotation of said gear and the knife, the axes of rotation of the arm and the knife being substantially parallel said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife while rotating, partially slitting its wrapper thereby.
  • a cigarette package opener comprising a carrier for holding the package, a movably mounted arm supporting the carrier, a rotatably concentrically mounted circular knife, the axis of rotation of the knife being substantially perpendicular to the direction of motion of the arm, mechanism operatively connecting the arm and the knife releasably engaging the knife for eifecting the rotation of the latter in one direction only.
  • said mechanism being driven by the motion of the arm to rotate the knife, the relative locations of the arm, carrier and knife being such that said motion of the arm enables mov- .ing the carrier to cause a part of the package near one end to be moved against the knife and beyond it during the rotation of the latter, partially slitting the package thereby and permitting the 'tnife to rotate by its own inertia when the is stopped with the package beyond the knife.
  • a cigarette package opener comprising a casing, a carrier for holding the package, a pivotaliy mounted arm supporting the carrier, a shaft extending transversely of the casing, a knife mounted on the shaft, the pivotal axis of the arm being substantially parallel to said shaft, a gear mounted on the shaft, ratchet mechanism fixed to the gear and releasably engaging the knife for driving the latter in one direction only, gear means, rotatable in fixed relation to the arm, engaging said gear, the swinging down of the arm rotating the gear and causing the ratchet mechanism to rotate the knife, the relative location of the knife, carrier and pivotal axis of the arm being such that said swinging down of the arm enables moving the carrier to cause part of the package near one end to be moved against the knife and beyond it during the rotation of the latter, partially slitting the package thereby and permitting the knife to rotate by its own inertia when the arm is stopped With the package beyond the knife.
  • a cigarette package opener comprising a carrier for holding the package, a pivotally mounted arm supporting said carrier, a rotatably mounted knife, mechanism, operatively connecting the arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation of the knife, said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife, partially slitting its Wrapper thereby to form a flap, and a second knife rotatably mounted at an angle with the first knife, said mechanism also operatively connecting the arm and the second knife, said swinging down of the arm effecting also the rotation of the second knife and moving the package against the second knife, cutting off the flap formed by the first knife.
  • a cigarette package opener comprising a casing, a carrier for holding the package, a pivotally mounted arm supporting the carrier, a shaft extending transversely through the casing, a knife loosely mounted on the shaft, a gear fixedly mounted on the shaft, ratchet mechanism fixed to the gear and releasably engaging the knife for driving the latter in one direction only, a second gear fixed to the arm meshing with said first gear, a third gear fixed to said shaft outside of the casing, a stub shaft rotatably mounted on the outside of the casing at an angle with the first shaft, a fourth gear fixed to the stub shaft and meshing with the third gear, a second knife fixedly mounted on the stub shaft,
  • a cigarette package opener comprising movably mounted means for carrying the package along a predetermined path substantially parallel to a plane, a knife for slitting the package partly across one end to form a flap as the package is moved along its path past the knife, and a pivotally mounted pusher with its pivotal axis substantially parallel to said plane, a part of said means engaging the pusher upon motion of the package beyond the knife, swinging the pusher thereby across the path of the package to push against the opposite end of the package from the slit end, causing one or more cigarettes to project from the package at the slit end.
  • a cigarette package opener comprising a casing having a pair of side walls, movably mounted means for moving the package between the side walls, a knife mounted in close proximity to one of the side walls, slitting the package partly across one end to form a flap as the package is moved past the knife, and a pivotally mounted pusher adjacent the other side wall, the pivotal axis of the pusher being substantially parallel to said other side wall, a part of said means engaging the pusher when the package is moved past the knife, swinging the pusher toward the first of said side walls against the opposite end of the package from the first of said sidewalls, causing one or more cigarettes to be pushed partly out of the package.
  • a cigarette package opener having a pair of side walls, a carrier for moving the package between the side walls with the opposite ends of the package facing said walls, a movable knife mounted in close proximity to one of the said side walls and substantially parallel thereto, and means projecting into the space between the walls for forcing one of said ends of the package against said side wall close to the knife as the package is moved between said walls past said means, said motion of the carrier pushing said latter end against the cutting edge of the knife.
  • a cigarette package opener comprising a casing having a pair of oppositely disposed side walls, a carrier for moving the package between the side walls with the opposite ends of the package facing said walls, an arm supporting the carrier mounted to move the package between the side Walls, a knife rotatably mounted in close proximity to one of the side walls, the axis of rotation of the knife being substantially perpendicular to the side wall adjacent to it, and mechanism connecting the arm and the knife actuated by the motion of the arm to rotate the knife, the spacing of the side walls at the knife being such as to squeeze said ends of the package between them with one end against the wall close to the knife, said motion of the arm moving the carrier to push a part of one of said ends against the rotating cutting edge of the knife.
  • a cigarette package opener having a pair of side walls, a carrier for moving the package between the side walls with opposite ends of the package facing said walls, and a knife mounted in close proximity to the first of the side walls and substantially parallel thereto, the spacing of the side walls at the knife being such as to squeeze said ends of the package between them with one end against the wall close to the knife, said motion of the carrier pushing one of said ends of the package against the cutting edge of the knife.
  • a cigarette package opener having a pair of oppositely disposed side walls, a carrier for moving the package between the side walls with opposite ends of the package facing said walls, a knife mounted in close proximity to one of said walls and substantially parallel thereto for slitting the package at one of said ends as it moves past, said walls being spaced sufiiciently for the introduction of the package at its initial position, the distance between the side walls being less near the knife than at said initial position to compress the package as it is moved and to force the end to be slit against the wall close to the knife.
  • a cigarette package opening device comprising means for moving the package through the device, means for slitting the package partly across near one end at one location on the path traversed by the package through the device, and a member mounted on the device to project into said path, said member being located on the device to be passed by the package as it is moved through the device after the package has been slit, the projection of said member causing it to push against the package at the packages opposite end from where slit for causing one or more cigarettes to project from the package at the slit as the package is moved by said member.
  • a cigarette package opening device comprising means for effecting the slitting of the package partly across near one end to form a flap, and a member movably mounted and located on the device to be actuated by said means after the package has been slit to push against the package at the packages opposite end from where slit for causing one or more cigarettes to project from the package at the slit.
  • a cigarette package opening device comprising means for moving the package through the device, means for slitting the package partly across near one end as the package is moved through the device, and a member rotatably mounted and located on the device to be actuated by the means for moving the package as the package passes by it to rotate into the path of the package and push against the package at the packages opposite end from where slit after the package has been slit for causing one or more cigarettes to project from the package at the slit.
  • a cigarette package opening device comprising means for effecting the removal of a corner of the device, and a member movably mounted and located on the device to be actuated by said means after the corner has been removed to push against the package at the packages opposite end from where said corner has been removed for causing one or more cigarettes to project from the package where said corner was removed.

Description

I E. CHARLOP PACKAGE OPENER May 17, 1949.
Filed Sept. 5, 1945 IN VEN T OR,
E. CHARLOP PACKAGE OPENER May 17, 1949.
4 Sheets-Sheet 2 Filed Sept. 5, 1945 FIGS INVENTOR.
BY E/I/azz Char/0,0
y 17, 1949. E. CHARLOP 2,470,236
PACKAGE OPENER Filed Sept. 5, 1945 4 Shets-Sheet :5
'20 ZL z INVENTOR. FI 9 Ell/0ft Char/0p BY WWW,
Mgy17,1949. ECHARLOP 2,470,236
PACKAGE OPENER Filed Sept. 5, 1945 4 Sheets-Shee t 4 FIG.11
FIG. I O
- Ema/r C/lar/cp Wad/4 in;
' INVENTOR.
Patented May 17, 1949 UNITED STATES PATENT OFFICE PACKAGE OPENER Elliot Charlop, New York..N. Y. Application September 5, 1945, Serial No. 614,555"
26 Claims.
Thisinvention relates to a package opener. It comprises means for holding apackage containing cigarettesor the like andv mechanism for slitting, the. package. part way across one .end and pushing out some of'its contents. In a simplified form of the device the pushing means may be omitted.
Throughout the specifications. including the claims, cigarette packages will be specified, but it is to be understood thati Ilam not limiting myself to such, where consistent with the context, as paekageshaving. other contents. may be operated upon.
The package is slit partially acrossat one end ofthe cigarettes, the slit extending. from the narrow side of the package without injury to the cigarettes contained therein. The flap thus produced, in one form of my device, may be left on the package to form a protection for the cigarettes. In another form of the-device, additional.
cutting mechanism is provided to cut off the flap.
The package is advanced into arotating cutting edge which slits the wrapper. The cutting edge is that of a circular knife-and driving means are provided for theknif'e which provides different portions of thecircumference of the knife for the slitting of successive packages to. prevent excessive wear at any oneportion of. the cutting edge. For safety, the knife is enclosed in a casing.
Another object of the invention is the automatic gauging of the package at the sidewall adiacent the knife so that the latter will slit the wrapper or cover. at the proper'distance from the endof the package. This is important to prevent injury to the. cigarettes as while the cigarettes are produced inaccurate lengths, the. wrapper may enclose them with varying amounts of'looseness. In. one form of my device,while the spacing of. the side walls .where the package is inserted may be more thanthe length of. the package for its easy insertion. into the casing, yet in the vicinityof theknife the wallsare accurately gauged sothat the end of the package adjacent the knife is pressed against the sidewall. adjacent the knife, the latter being mounted in. close proximity to the latter. sidewallwith its. axis. of rotation substantially. perpendicular thereto. In another form. ofthe device,the spacing of the side walls at the knife is not depended upon, but springmeans are provided so thatas the. ackage is. moved-past the knife for the slitting of its wrapper, the endoi the package at the knife is. pressed. against the side wall adjacent the. knife.
Other objects. and advantages will become apparent uponfurther study of. the. description and drawings in-which Fig. 1 is an isometric view of thepackageopener.
Fig. 2 is an isometric diagramv of .the. knife and package shown by themselves to illustrate the. slitting action of the knife.
Fig. 3 is an isometric diagr-amof thepackage by itself shown. slit, and withanarrow indicating the action of .the pusher in. pushing out a-fewcigarettes.
Fig. 4 isv an elevation of theknifeandoverrunning clutch shownby themselves.
Fig. 5 is an elevation. looking into the. back-of. the machine, that'is along the line 5--5 on Fig. 6,. the stay under the knife being omittedlfor clarity.
Fig. 6. is section,.to a smaller scale than Fig-5,
looking along the line 6.& of Fig. 5.
Fig. 7 is apartial elevationto .a smaller scale showing amodified form of thedevice, in'which a leafspring is provided for forcingoneendof the package against the sidewall adjacent. the knife.
Fig. 8 isvsubstantially anisometricview ofthe portion of the device at the ejector or pusher mechanism, the carriage being shownholding a. package opposite said. mechanism.
Fig. 9 is a sectional plan showingthepackage being slit by the knife.
Fig. 10 is an elevation ofa modified'form of the device looking towardthe- Wall adjacent the knife, an. additional knifebeing provided outside of the casingfor cutting off the flap,- and Fig-11 is a partial section, taken along the line H--ll of Fig. 10'.
The devicehas side wal-ls'li-andr Hand an arcuate front wall, one part ll of whichis attached to-sidewall l2 and theother part l5-of whichis attached-to-sidewall l3. Aspaceis leftbetween parts Hland-IEgiV-ing riseto slotlfi. The curva ture of parts Hand l5.-is circular. Shaft l!- is journaled atits. ends in sidewalls l2 and I3... Fixedly mountedon shaft" is segmental gear [8. A crooked arm I9 isfixed tov gear I 8. said arm; extending 1 up through. slotl6 and having handle Zll mountedon its outer end. Attached to. arm 19, justinsidef'ront wall. partslA and 15-, is a. channel-shaped package carrier 21- for holding the. cigarette package 2?. with itsv ends facing side walls l2 and. [3,.Figs. 6, 8 and 9. Witharm l9 and carrier 21in its extreme upper position, the carrier comes opposite tapered bulges 23 in side walls [2 and I3. Thispermits the easy introduction of a-package fi intocarrier Zlthrough opening 3! provided in the slotted. front wall formed of parts I4 and I5, Fig. 1. When carrier 2| with the package in it is swung down, the package is squeezed in by the tapered sides of bulges 23 so that when it passes down from the bulges it is held compressed between side walls I2 and I3. As will be seen later on, this is inn portant for the slitting of the package without injuring the cigarettes in it.
Another shaft, shaft 24, is journaled in side walls I2 and I3. Pinion 25, which meshes with segmental gear I8, is fixed to shaft 24. Ratchet wheel 26, Fig. 4, which is inside hollow hub or casing 21 of circular knife 28, is also fixed to shaft 24. Knife 28 is loose on shaft 24. Pawl 29 and its spring 30 are fixed to knife 28. When oarrier 2| is moved down by arm I9, segmental gear I 8 rotates pinion 25 in a clockwise direction as viewed in Fig. 6, causing ratchet wheel 26 also to move in this direction. Wheel 25 engages pawl 29 causing knife 28 to rotate in a clockwise dire tion. When carrier 2I is moved to its lowest position, segmental gear I8 ceases to rotate pinion 25 and ratchet wheel 26, but because of its inertia, knife 28 will continue to turn for a while, pawl 29 slipping over the teeth of wheel 25. Because of this lost motion, different portions of the cutting edge of the knife are presented toward subsequent packages 22 as the latter are moved against the knife by the swinging down of arm I9. The swinging down of arm I9 moves carrier 2I to push a part of package 22 near one end against the knife, partially slitting the wrapper as seen in Fig. 2. The spacing of side walls l2 and I3 is such, especially just above and opposite knife 28, as to squeeze the ends of the package between them so that the knife, which is in close proximity to side wall I3 will just slice the wrapper without injuring the ends of the cigarettes. A recess 6| is provided in wall I3 for the accommodation of knife 28. It is to be observed that the width of carrier 2| is less than the length of package 22 so that both ends of the package project beyond the carrier, permitting operations to be performed on said ends. So far the mecha nism for slitting the package has been described. The mechanism for pushing out a few cigarettes from the slit package, as shown in Fig. 3, will now be described.
Extending over opening 32 in side wall 42 and spot welded to said wall, Figs. 1, and 8 is a channel-shaped support 33 in the outstanding legs of which is mounted stub shaft 34. Loosely mounted on shaft 34 is a pusher plate denoted in its entirety by the numeral 35. An opening 36 is provided in plate 35, through which one end of spring 3'! projects, the spring being coiled about shaft 34 with its other end, not seen, engaging support 33. Spring 3'! acts to resist yieldingly the rotation of plate 35, Fig. 8 in a clockwise direction. The device in Fig. 8 is viewed in the same general direction as indicated by line 5-5 in Fig. 6, except that arm I9 has been broken off andthe carrier M has been swung down past knife 28. Further motion of carrier 2 I, as viewed in Fig. 8, would be down. As seen in said figure, the main portion of package 22 is beyond plate 35, only shoulder 33 of said plate being at the corner of the package at the opposite end thereof from where it was slit by knife 28 to form flap 39. In swinging down, carrier 2I, lug 40, on said carrier, presses down on tongue 4|, effecting clockwise rotation of plate 35 causing shoulder 38 to push against the end of the package forcing out a few cigarettes 42 against fiap39. When carrier 2! has swung down to its lowermost position, package 22 is discharged by gravity through opening 43 in the casing and tongue 4| rides on end wall of lug it. The discharged package is caught on platform and held thereon by stops 43.
A tension spring 41, Figs. 5 and 6 is fastened at its bottom to stay 48 and at its top to lug 49 on arm Said spring is placed under initial tension. Ehe swinging down of arm I9 about its pivotal axis, extends spring 41, so that when said arm is released it will be pulled up by the spring until it strikes stay 59. A forked plate spring 5!, attached to arm I9, is arranged to pinch stay for releasably fastening said arm in its upper position to prevent its rebounding.
In the form of the device previously described the spacing of side walls is such that the ends of package 22 are squeezed between said side walls I2 and 3 at their portions opposite knife 23, so as to insure the proper gauging of the package between side wall I3 adjacent the knife and the knife for the proper cutting of the wrapper of the package. In Fig. '7, a modified form of means is provided to ensure the proper gauging of the package. In this modified form, the spacing of the side walls I2 and I3 is not wholly relied upon properly to gauge the package at the knife, but a plate spring 52 is fastened to wall 52 in the path of package 22 as it is swung down by arm I9, so that said spring is flattened by an end of the package as the opposite end of the package is pressed against side wall I5 and is entered into and slit by knife 28.
As described thus far, the package opener is capable only of partially cutting the package near one end to produce a flap. The modification of the opener in Figs. 10 and 11 is capable of cutting off the flap. In this form knife shaft 53 extends sufficiently through side wall H to have helical gear 54 fixed to its outer end. Short shaft 55 is rotatably mounted in support 59, the latter being welded to side wall I3. Fixed to one end of shaft 55 and meshing with helical gear 55 is a mating helical gear 56. The other end of shaft 55 has cut-off knife 51 fifxedly mounted on it. Knife 51 projects through side wall I3 in slot 59 so that it can slice off flap 39 as it is moved past by carrier 2|. It is to be noted that the swinging down of arm I9 rotates knife 51.
I claim:
1. A cigarette package opener comprising a carrier for holding the package, a pivotally mounted arm supporting said carrier, a rotatably concentrically mounted circular knife, the pivotal axis of the arm being spaced from and parallel to the axis of rotation of the knife, mechanism, connecting the arm and the knife, driven by the swinging down of the arm about its pivotal axis to rotate the knife, said swinging of the arm moving 1e carrier to cause a part of the package near one end to be moved against the knife, partially slitting its wrapper thereby, clear of the adjacent end of the cigarettes.
2. A cigarette package opener comprising a casing, a carrier for holding the package, an arm pivotally mounted on the casing supporting said carrier, said arm in its upper position holding the carrier opposite an opening provided in the casing for the reception of the package, a knife rotatably mounted on the casing, mechanism, connecting the arm and the knife, driven by the swinging down of the arm about its pivotal axis to rotate the knife, said swinging down of the germane rier being sufficiently tilted to discharge the packageby gravity when the arm isswung down to substantially the lowermost position.-
3. A cigarette package opener comprising a casing having a pair ofside walls, a carrier for moving the package'between the side walls, a pivotally mounted arm, having its pivotal axis extending substantially perpendicular to the side walls, supporting. said carrier, a rotatably mounted knife with its axis of rotation substan-- tially perpendicular to the side walls, mecha-- nism, connecting the arm and thewknifa actuated bythe swinging down of the arm aboutitsapivotal' axis to drive the'knife to rotate about its axis of rotation, said knife being located substantially the thickness of the wrapper ofthe package'from one of said side walls, said swingingof the-arm moving'the carrier to push. apart of the package against the cutting edge of the knife causing to be slit a part of the wrapper along one side of; the package.
4'. A cigarette package opener comprising a casing having; apa'ir of-side walls, a carrier for moving the package between theside walls, a
pivotally mounted arm supporting the carrier and having its pivotal axis extending substantially perpendicular to the side walls, a knife rotatably mounted in close proximity to one of the sidewalls, the axis of rotation of the knife being substantially perpendicular to the sidewall adjacent to it, mechanism, connectingthe" arm and the'knife, actuated by thefswinging' down of the arm about its pivotal axis: toeffe'ct the rotation'of-the knife, and means for-forcing one end of the package against the side: wall adjacent the knife, said swingingof the arm mov ing thecarrier-to push a part of on'e'endof the package against the rotating cutting edge of the knife.
5. A cigarette. package opener comprising a casing having a pair of side walls,a' carrier for moving: the package between the side walls with the ends of the package facing said walls, a'pivotally mounted arm supporting the carrier and having its pivotal axis extending substantially perpendicular tothe sidewalls, a kniferotatably mounted in close proximity to one of the side walls, the axis ofrotation of the knife beingsub stantially perpendicular to the side walradjacent to it, and mechanism, connecting the arm; and the knife, actuated-by the swinging. down or'the arm about its pivotal axis to drive the knife to rotate about its axis of" rotation, the spacing; of the sidewalls at the knife being such as to squeeze the endsof the package between them, said swinging of the arm moving the carriertopusha; part of one end of the package against the rotat ing cutting edge of the knife.
6. A cigarette package. opener comprising-1av casing having a pair of side walls, acarrierfor' moving thepackage between-the sidewallswith:
oppositeends of the package facing said walls, an arm supporting the carrier and mounted-to move the package between the side walls, a knife mounted substantiallyparallel to and in close proximity to-the first of the side wall'sgand springactuated means mounted-substantially opposite the knife on the second of said side walls" for forcing one of saidends against said-firstsid'e wall adjacent the'knife as the motion of the arm moves thexcarrierzto push apart of said 'latterz'end" of the package againstwthecutting edge of'the' knife;
walls, the outer endof the arm extending; outside of the casing, thecarrier being supported bythe arm inside oi the'casing, said arm in its upper positiom-holdingthe carrier opposite anopening provided mzthe'casing'for thenreception of'the" package;the side walls being bulged outward at said opening; a knife rotatably mounted in close proximity to a portion of onev of the side walls, the
axis oi rotation of the knife being substantially perpendicular toxsaid portion, mechanism, conmeeting. the. arm and the knife, actuated by the.
swinging 'downof the arm about its pivotal. axiste' effect the rotation of the knife, said swinging downof thefi'arnrmoving the carrier to'push a part of onei-end of the package against the retatin'g cutting edge of'the knife,.said latter" end being heldiagain'st the'sidewall at the portion adiacent-the knife;
"8i Alcigarettepackage opener comprising a casing having a pair'offside wallsand'an'arcuate front wall having a longitudinal slot thereimva pivotallymounted arm having'its pivotal axis extending substantially perpendicularto the side wallsiand substantially coincident with the center of curvatureofthefront wall, the outer end of the-arm extending through said slot to the outsideof said-front wall, a rotatably mounted knife, mechanism connecting'the. arm and the knife; actuated by the swinging down of the arm to effect the rotation of-the'knife, and; a carrier supported hy'said arm moving the package substantially concentrically with and 'justinside the front wall when the arm is swung down about its pivotalaxi's causing a part of the package near one end to be moved against the knife, partially slitting its wrapper thereby.
9; A' cigarette package opener comprising a casing, a carrier for holding the'package, a pivotally' mounted arm supporting the carrier, said arminitsupper' position holding the carrier opposite an opening'provid'ed in the casing for the reception of'the package, a rotatably mounted knife inside the casing, mechanism connecting the. arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation'of'the knife, said swinging down of the arm. moving the carrier to cause a part of the package near one end to be moved against the knife. partially slitting its wrapper thereby, said carrier being sufliciently tilted to discharge the packagev by gravity when the arm is swung down to'substantially its lowermost position, an openi-ng beingprovided. in the. casing for the passage therethrough of the package discharged from the carrier; anda platform on the casing below said latter opening for receiving-the discharged pack.-
age;
10;. A. cigarettev package. opener comprising a casing. having a pair of substantially'parallel side walls, a carrier'for. moving the package between the sides-walls, a'pivotally mountedarm supporting: the carrier and having its pivotal axis extending: substantially perpendicular to the side walls, arotatably'moimted-kniiewith its axis of rotation substantially perpendicular to the side 7 walls, mechanism, operatively connecting the arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation of the knife and a spring yieldingly resisting the manual force required for swinging down the arm, returning the latter when released to its upper position, said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife partially slitting its wrapper thereby.
11. A cigarette package opener comprising a casing having a pair of side walls, a carrier for moving the package between the side walls, a pivotally mounted arm supporting the carrier and having its pivotal axis extending substantially perpendicular to the side walls, a rotatably mounted knife with its axis of rotation substantially perpendicular to the side walls, mechanism, operatively connecting the arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation of the knife, said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife partially slitting its wrapper thereby, and a spring catch having mating parts, one part thereof being carried by the arm and the other part being attached to the casing for releasably holding the arm in its upper portion.
12. A cigarette package opener comprising a carrier for holding the package, a pivotally mounted arm supporting said carrier, a rotatably mounted knife, gear means rotatable in fixed relation to the arm and a gear coaxially mounted with the knife and engaging said gear means, the swinging down of the arm rotating said gear means, effecting the rotation of said gear and the knife, the axes of rotation of the arm and the knife being substantially parallel said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife while rotating, partially slitting its wrapper thereby.
13. A cigarette package opener comprising a carrier for holding the package, a movably mounted arm supporting the carrier, a rotatably concentrically mounted circular knife, the axis of rotation of the knife being substantially perpendicular to the direction of motion of the arm, mechanism operatively connecting the arm and the knife releasably engaging the knife for eifecting the rotation of the latter in one direction only. said mechanism being driven by the motion of the arm to rotate the knife, the relative locations of the arm, carrier and knife being such that said motion of the arm enables mov- .ing the carrier to cause a part of the package near one end to be moved against the knife and beyond it during the rotation of the latter, partially slitting the package thereby and permitting the 'tnife to rotate by its own inertia when the is stopped with the package beyond the knife.
14.. A cigarette package opener comprising a casing, a carrier for holding the package, a pivotaliy mounted arm supporting the carrier, a shaft extending transversely of the casing, a knife mounted on the shaft, the pivotal axis of the arm being substantially parallel to said shaft, a gear mounted on the shaft, ratchet mechanism fixed to the gear and releasably engaging the knife for driving the latter in one direction only, gear means, rotatable in fixed relation to the arm, engaging said gear, the swinging down of the arm rotating the gear and causing the ratchet mechanism to rotate the knife, the relative location of the knife, carrier and pivotal axis of the arm being such that said swinging down of the arm enables moving the carrier to cause part of the package near one end to be moved against the knife and beyond it during the rotation of the latter, partially slitting the package thereby and permitting the knife to rotate by its own inertia when the arm is stopped With the package beyond the knife.
15. A cigarette package opener comprising a carrier for holding the package, a pivotally mounted arm supporting said carrier, a rotatably mounted knife, mechanism, operatively connecting the arm and the knife, actuated by the swinging down of the arm about its pivotal axis to effect the rotation of the knife, said swinging down of the arm moving the carrier to cause a part of the package near one end to be moved against the knife, partially slitting its Wrapper thereby to form a flap, and a second knife rotatably mounted at an angle with the first knife, said mechanism also operatively connecting the arm and the second knife, said swinging down of the arm effecting also the rotation of the second knife and moving the package against the second knife, cutting off the flap formed by the first knife.
16. A cigarette package opener comprising a casing, a carrier for holding the package, a pivotally mounted arm supporting the carrier, a shaft extending transversely through the casing, a knife loosely mounted on the shaft, a gear fixedly mounted on the shaft, ratchet mechanism fixed to the gear and releasably engaging the knife for driving the latter in one direction only, a second gear fixed to the arm meshing with said first gear, a third gear fixed to said shaft outside of the casing, a stub shaft rotatably mounted on the outside of the casing at an angle with the first shaft, a fourth gear fixed to the stub shaft and meshing with the third gear, a second knife fixedly mounted on the stub shaft,
the swinging down of the arm rotating the gears and the second knife and causing the ratchet mechanism to rotate the first knife, said swinging down of the arm moving the carrier first to cause part of the package near one end to be moved against the first knife during the rotation of the latter, partially slitting the package thereby to form a flap and then moving the package against the second knife during the rotation of the latter, cutting off the flap.
17. A cigarette package opener comprising movably mounted means for carrying the package along a predetermined path substantially parallel to a plane, a knife for slitting the package partly across one end to form a flap as the package is moved along its path past the knife, and a pivotally mounted pusher with its pivotal axis substantially parallel to said plane, a part of said means engaging the pusher upon motion of the package beyond the knife, swinging the pusher thereby across the path of the package to push against the opposite end of the package from the slit end, causing one or more cigarettes to project from the package at the slit end.
18. A cigarette package opener comprising a casing having a pair of side walls, movably mounted means for moving the package between the side walls, a knife mounted in close proximity to one of the side walls, slitting the package partly across one end to form a flap as the package is moved past the knife, and a pivotally mounted pusher adjacent the other side wall, the pivotal axis of the pusher being substantially parallel to said other side wall, a part of said means engaging the pusher when the package is moved past the knife, swinging the pusher toward the first of said side walls against the opposite end of the package from the first of said sidewalls, causing one or more cigarettes to be pushed partly out of the package.
19. A cigarette package opener having a pair of side walls, a carrier for moving the package between the side walls with the opposite ends of the package facing said walls, a movable knife mounted in close proximity to one of the said side walls and substantially parallel thereto, and means projecting into the space between the walls for forcing one of said ends of the package against said side wall close to the knife as the package is moved between said walls past said means, said motion of the carrier pushing said latter end against the cutting edge of the knife.
20. A cigarette package opener comprising a casing having a pair of oppositely disposed side walls, a carrier for moving the package between the side walls with the opposite ends of the package facing said walls, an arm supporting the carrier mounted to move the package between the side Walls, a knife rotatably mounted in close proximity to one of the side walls, the axis of rotation of the knife being substantially perpendicular to the side wall adjacent to it, and mechanism connecting the arm and the knife actuated by the motion of the arm to rotate the knife, the spacing of the side walls at the knife being such as to squeeze said ends of the package between them with one end against the wall close to the knife, said motion of the arm moving the carrier to push a part of one of said ends against the rotating cutting edge of the knife.
21. A cigarette package opener having a pair of side walls, a carrier for moving the package between the side walls with opposite ends of the package facing said walls, and a knife mounted in close proximity to the first of the side walls and substantially parallel thereto, the spacing of the side walls at the knife being such as to squeeze said ends of the package between them with one end against the wall close to the knife, said motion of the carrier pushing one of said ends of the package against the cutting edge of the knife.
22. A cigarette package opener having a pair of oppositely disposed side walls, a carrier for moving the package between the side walls with opposite ends of the package facing said walls, a knife mounted in close proximity to one of said walls and substantially parallel thereto for slitting the package at one of said ends as it moves past, said walls being spaced sufiiciently for the introduction of the package at its initial position, the distance between the side walls being less near the knife than at said initial position to compress the package as it is moved and to force the end to be slit against the wall close to the knife.
23. A cigarette package opening device comprising means for moving the package through the device, means for slitting the package partly across near one end at one location on the path traversed by the package through the device, and a member mounted on the device to project into said path, said member being located on the device to be passed by the package as it is moved through the device after the package has been slit, the projection of said member causing it to push against the package at the packages opposite end from where slit for causing one or more cigarettes to project from the package at the slit as the package is moved by said member.
24. A cigarette package opening device comprising means for effecting the slitting of the package partly across near one end to form a flap, and a member movably mounted and located on the device to be actuated by said means after the package has been slit to push against the package at the packages opposite end from where slit for causing one or more cigarettes to project from the package at the slit.
25. A cigarette package opening device comprising means for moving the package through the device, means for slitting the package partly across near one end as the package is moved through the device, and a member rotatably mounted and located on the device to be actuated by the means for moving the package as the package passes by it to rotate into the path of the package and push against the package at the packages opposite end from where slit after the package has been slit for causing one or more cigarettes to project from the package at the slit.
26. A cigarette package opening device comprising means for effecting the removal of a corner of the device, and a member movably mounted and located on the device to be actuated by said means after the corner has been removed to push against the package at the packages opposite end from where said corner has been removed for causing one or more cigarettes to project from the package where said corner was removed.
ELLIOTT CHARLOP.
REFERENCES CITED Ihe following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,541,030 Cohen June 9, 1925 1,859,120 West et a1 May 17, 1932 2,252,559 Dreis Aug. 12, 1941
US614555A 1945-09-05 1945-09-05 Package opener Expired - Lifetime US2470236A (en)

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US2470236A true US2470236A (en) 1949-05-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354718A1 (en) * 1976-06-15 1978-01-13 Loews Theatres Inc APPARATUS FOR OPENING CARTRIDGES AND PACKS OF CIGARETTES AND EXTRACTING CIGARETTES
EP0481191A1 (en) * 1990-09-12 1992-04-22 Maschinenfabrik Fr. Niepmann GmbH & Co. Apparatus for unpackung cigarettes from the enclosing package

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1541030A (en) * 1923-10-03 1925-06-09 Cohen Morris Package slitter
US1859120A (en) * 1930-05-21 1932-05-17 Frank L West Cigarette package opener
US2252559A (en) * 1938-08-15 1941-08-12 Henry N Dreis Cigarette package opener

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1541030A (en) * 1923-10-03 1925-06-09 Cohen Morris Package slitter
US1859120A (en) * 1930-05-21 1932-05-17 Frank L West Cigarette package opener
US2252559A (en) * 1938-08-15 1941-08-12 Henry N Dreis Cigarette package opener

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354718A1 (en) * 1976-06-15 1978-01-13 Loews Theatres Inc APPARATUS FOR OPENING CARTRIDGES AND PACKS OF CIGARETTES AND EXTRACTING CIGARETTES
EP0481191A1 (en) * 1990-09-12 1992-04-22 Maschinenfabrik Fr. Niepmann GmbH & Co. Apparatus for unpackung cigarettes from the enclosing package
US5275523A (en) * 1990-09-12 1994-01-04 Maschinenfabrik Fr. Niepmann Gmbh & Co. Apparatus for removing cigarettes from a package that encloses the same

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