EP0604918A1 - Dispositif pour élargir l'ouverture d'une enveloppe pour une machine à insérer et fermer - Google Patents

Dispositif pour élargir l'ouverture d'une enveloppe pour une machine à insérer et fermer Download PDF

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Publication number
EP0604918A1
EP0604918A1 EP93120825A EP93120825A EP0604918A1 EP 0604918 A1 EP0604918 A1 EP 0604918A1 EP 93120825 A EP93120825 A EP 93120825A EP 93120825 A EP93120825 A EP 93120825A EP 0604918 A1 EP0604918 A1 EP 0604918A1
Authority
EP
European Patent Office
Prior art keywords
envelope
insert guides
insert
open
flap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP93120825A
Other languages
German (de)
English (en)
Inventor
Shigeru C/O Juki Corporation Sakai
Norio C/O Juki Corporation Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Juki Corp
Original Assignee
Juki Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Juki Corp filed Critical Juki Corp
Publication of EP0604918A1 publication Critical patent/EP0604918A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M3/00—Devices for inserting documents into envelopes
    • B43M3/04—Devices for inserting documents into envelopes automatic
    • B43M3/045—Devices for inserting documents into envelopes automatic for envelopes with only one flap

Definitions

  • This invention relates to an envelope open-end widening device for use in an enclosure inserting and sealing machine.
  • the machine enables the insertion of enclosures such as a letter, a printed matter, documents and the like into a plurality of envelopes and sealing envelopes automatically.
  • the device of the invention opens the open-end or the mouth of respective envelopes automatically thereby enabling easy insertion of enclosures.
  • Figs. 7 through 9 show a typical prior art envelope opening device in an automatic mail inserting and sealing machine (although the entire machine is not shown in these drawings).
  • the device 1 functions to open the open-end or the mouth of an envelope 5 which has been delivered through an envelope passage 4 defined between tables 2 and 3, with a flap portion 5A of the envelope 5 clamped by rollers 6.
  • a pair of insert guides 7 are utilized to open the envelope 5.
  • the insert guides 7 are pivotally mounted around fulcrums 8A, and are urged by springs (not shown) in the counter clockwise direction in Fig. 8 around the fulcrums 8A, which are supported on tip ends of arms 9 pivotally supported around a shaft 8B.
  • the insert guides 7 should be located as near as the opposite side edges of the envelope 5.
  • the envelope 5 includes, as shown in Fig. 10, a front sheet 5B, a rear sheet 5E, a flap or the top flap 5A formed integrally with the front sheet 5B, and side flaps or margins 5C bent at opposite side edges of the front sheet 5B and secured respectively to the rear sheet 5E by a glue 5D. It will be noted that portions 5F of the side margins 5C near to the flap 5A are not secured to the rear sheet 5E.
  • the insert guides 7 should be located as near as possible to the opposite side edges of the envelope 5 so that items 10 as inserted into the envelope do not contact or interfere with non-secured portions of the side flaps 5C, thereby preventing jamming.
  • An object of the invention is to provide a novel envelope opening device for use in an enclosure inserting and sealing machine, whose machine delivers envelopes intermittently one by one with the top flap portion of an envelope positioned on the downstream side.
  • the device opens the opening of the envelope for inserting items or enclosure such as a letter, a printed matter, documents and the like into the envelope.
  • an envelope opening device which comprises flap retaining means for retaining the top flap of the envelope in an open position; and a pair of insert guides disposed at positions near to respective sidewise opposite ends of the envelope with the top flap portion thereof and retained by the flap retaining means and rockingly movable along a surface nearly parallel to the surface of the envelope in the synchronized relationship and between a first position and a second position such that the leading edges of the insert guides adjacent to the envelope are, at the first position, positioned on the rear side or outside of the open-end of the envelope with the top flap portion thereof retained by the flap retaining means, and at the second position and further positioned near to sidewise opposite ends of the envelope and inside thereof; with the tip ends opposing each other and being provided close to the sidewise central portion of the envelope at the first position, and at the second position, the leading edges extending along and inside of sidewise opposite edges of the envelope, the insert guides including inclined surface portions which are extending from the leading edges rearwardly, separating from the envelope upwardly and separating
  • the insert guide may have a generally V-shaped cross-section, at least in the range to be inserted into the envelope at the second position, with the apex defined by the leading edge, one side extending from the leading edge upwardly and the other side extending generally parallel to and adjacent to the front sheet of the envelope.
  • the tip ends of the pair of insert guides move into the envelope widthwise at a central position, thus enabling easy opening of the envelope. And since the insert guides move to widthwise opposite ends of the envelope, the open-end can be easily enlarged.
  • the inclined surfaces of the insert guides extend from respective leading edges, thus, the insert guides do not interfere with portions of the side margins not secured to the rear sheet of the envelope, and the open-end of the envelope can be easily and sufficiently widened.
  • the horizontally extending surface portion acts to restrict movement such as upward movement of the front sheet of the envelope, whereby items can be easily inserted into the envelope.
  • Each insert guide 32 has a generally rectangular shape as viewed in the plan view of Fig. 2 with one end slightly tapered, and as viewed in the sectional view of Fig. 4, has a generally V-shape cross-section consisting of a horizontally extending surface portion 33A parallel to the upper surface of the table 26B and an inclined surface portion 33B extending from one end of the horizontal surface portion 33A.
  • the inclined surface portions 33B of the pair of the insert guides 32 are integrally connected respectively to the lower ends of a pair of vertical rotatable shafts 34, and the shafts 34 are rockingly movable around 90 degrees and in synchronous relationship by a rocking device 36, the details of which will be explained hereinafter.
  • each insert guide 32 rockingly moves between a first position, as shown in double dotted chain line in Fig. 2, at which an apex or a ridge 32A of the V-shape is parallel to an edge 22B of the opening of the envelope 22 being located by the envelope gripper 30 and the flap retaining rollers 28, and the lengthwise tip end 32B is positioned near to the widthwise central portion of the envelope 22, and a second position, as shown in solid line and broken line in Fig. 2, at which the tip end 32B moves into the interior of the envelope and the tip edge 32A approaches and is generally parallel to the widthwise edge 22C of the envelope 22.
  • the rocking device 36 is constituted of a pair of rocking plates 36A secured respectively and integrally to the rotatable shafts 34; pins 36B mounted respectively on the rocking plates 36A; slide plates 36C slidably engaging with respective pins 36B and being slidably mounted in the envelope delivery direction or in the directions shown in double arrow line in Fig.
  • rocking plates 36A are rockingly moved around respective rotatable shafts 34 through the range of 90 degrees; a drive shaft 36D being disposed above the table 26A to extend horizontally and in a direction perpendicular to the envelope delivery direction; tension springs 36E; and drive plates 36F secured to the drive shaft 36D with one end (the lower end) of each drive plate engaging on each slide plate 36C against the force of the spring 36E to move the slide plate in the left upper direction as viewed in Fig. 1.
  • the spring 36F urges the slide plate 36C in the envelope delivery direction, thereby urging the insert guide 32 to its first position.
  • Shown at numeral 38 in Fig. 1 is an insert carriage for pushing items such as mail, documents and the like into the envelope 22.
  • An envelope 22 is delivered onto the table 22B through the envelope passage 24 with the flap portion 22A left open and oriented back.
  • the up-stream edge of the envelope 22 is located on the table 26B and abuts against the envelope gripper 30, and the flap portion 22A of the envelope 22 is retained by the flap retaining rollers 28.
  • the insert guides 32 are, at this condition, located on the first position with the slide plates 36C pulled in the left downward directions in Fig. 1 by springs 36E of the rocking device 36.
  • the drive shaft 36D is rotated in the arrow direction in Fig. 1
  • the drive plates 36F integrally connected to the drive shaft 36D act to push the slide plates 36C against the force of the springs 36E in the right upper direction in Fig. 1
  • the slide plates 36C rockingly drive the rocking plates 36A and the rotatable shafts 34 through the pins 36B, thereby the insert guides 32 are moved to the second position.
  • the tip ends 32B of the insert guides 32 move from the positions near to the widthwise central portion of the edge 22B of the mouth or the open-end of the envelope 22 to positions between the front sheet 22D and the rear sheet 22E of the envelope 22.
  • the widthwise central portion of the open-end 22B of the envelope 22 can move upward easily as compared with the widthwise edge portions of the envelope, and does not have any overlapping portion such as side margins and the like, thus, the insert guides 32 can smoothly move into the interior of the envelope 22.
  • the insert guides 32 move into the lowerside of the side margins 22F of the envelope 22 as shown in Fig. 2.
  • the side margins 22F of the envelope 22 is sufficiently secured to the rear sheet of the envelope in a zone through which the portion near to the tip end 32B of the insert guide 32 moves along during the rocking movement from the first position to the second position, and the inclined surface portion 33B pushes up sufficiently the rear sheet of the envelope and side margins 22F secured thereto, thus the tip edge 32A of the insert guide 32 can easily move to the location near to the widthwise edge 22C of the envelope 22.
  • the envelope 22 is, as shown in Figs. 1 and 4, widely opened by the inclined surface portions 33B of the pair of the insert guides 32.
  • the insert carriage 38 acts to push an item 40 in the left downward direction as viewed in Fig. 1, then, the item 40 does not interfere with side margins 22F of the envelope 22 and, can smoothly be inserted into the most inner portion of the envelope 22.
  • the inclined surface portions 33B of the insert guides 32 act to locate the item 40 in the widthwise direction, and the item 40 are inserted moves slidingly on the upper surfaces of the horizontal surface portions 33A of the insert guides 32.
  • the envelope gripper 30 acts to clamp or grip the leading edge of the envelope 22 and the inner end portion of the item 40, and to carry the envelope 22 and the item 40 in the left lower direction as viewed in Fig. 1.
  • the rocking device 36 moves to the standby position by the springs 36, and the insert guides 32 move to the first position shown by double dotted chain line in Fig. 2.
  • the insert guides 32 rockingly move between the first position and the second position, whereby the items 40 such as a letter, documents and the like can sequentially and reliably be inserted into respective envelopes 22 which are intermittently delivered to the inserting station.
  • the insert guide 32 has a generally rectangular shape in the plan view, however, the invention is not limited to the embodiment, the insert guide according to the invention may be of the type which can move rockingly between a first position and a second position where the side flap portion of the envelope is not interfered and can push up sufficiently the rear surface of the envelope with respect to the front sheet of the envelope.
  • Fig. 5 shows a second embodiment of the invention, in which an arcuate shaped horizontal surface portion 33C is provided integrally to the inclined surface portion 33B.
  • the horizontal surface portion 33C reliably prevents the upward movement of the front surface portion 22D of the envelope 22, and acts as a guide when an item 40 is inserted into the envelope 22.
  • Fig. 6 shows another embodiment of the invention, in which the insert guides are not provided with the horizontal surface portions, or the insert guides are composed of inclined surface portions 33B only.
  • the envelope 22 is delivered to the envelope opening device 20 with the front sheet 22D downside, however, the envelope 20 may be delivered with the front sheet 22D and the flap portion 22A upperside.
  • the insert guides 32 are arranged such that the tip ends 32B of the insert guides 32 move into the interior of the envelope 22 from the widthwise central portion of the open-end 22B of the envelope 22, which portion is easiest to push up.
  • an envelope pusher 42 may be provided as shown in double dotted chain line and solid line in Fig. 1 at the location between the envelope gripper 30 and the open-end 22B of the envelope 22. The envelope pusher 42 pushes down the envelope, whereby the open-end 22B of the envelope 22 is expanded by the reaction force of the envelope pusher 42.
  • the tip ends of the pair of the insert guides move into the envelope at widthwise central position, whose position is very easy in expanding the mouth of the envelope, thus, the insert guides can easily be inserted into the envelope. And since the insert guides move to widthwise opposite ends of the envelope, the open-end can be widened.
  • the inclined surfaces of the insert guides extend from respective leading edges, thus, the insert guides do not interfere with portions of the side margins not secured to the rear surface of the envelope, and the open-end of the envelope can easily and sufficiently be expanded.
  • the horizontally extending surface portion acts to restrict movement such as upward movement of the front surface of the envelope, thereby enabling easy insertion of the items into the envelope.

Landscapes

  • Packaging Of Special Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP93120825A 1992-12-28 1993-12-23 Dispositif pour élargir l'ouverture d'une enveloppe pour une machine à insérer et fermer Withdrawn EP0604918A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP347590/92 1992-12-28
JP4347590A JP2898157B2 (ja) 1992-12-28 1992-12-28 封筒の封入封緘機における封筒開口装置

Publications (1)

Publication Number Publication Date
EP0604918A1 true EP0604918A1 (fr) 1994-07-06

Family

ID=18391251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93120825A Withdrawn EP0604918A1 (fr) 1992-12-28 1993-12-23 Dispositif pour élargir l'ouverture d'une enveloppe pour une machine à insérer et fermer

Country Status (2)

Country Link
EP (1) EP0604918A1 (fr)
JP (1) JP2898157B2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0785093A1 (fr) * 1996-01-18 1997-07-23 Pitney Bowes Inc. Doigts d'ouverture pour machine à insérer
EP0943458A1 (fr) * 1998-03-19 1999-09-22 Pitney Bowes Limited Appareil pour ouvrir des enveloppes
EP1120288A1 (fr) * 2000-01-28 2001-08-01 Neopost Industrie Système pour la fermeture optimisée de rabats d'enveloppes
EP1388431A2 (fr) * 2002-08-09 2004-02-11 Haller, Jürg Paul Machine d'insertion et procédé d'insertion de courrier dans des enveloppes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2001009A (en) * 1931-08-20 1935-05-14 Patten Paper Company Ltd Envelope stuffing machine
US3423900A (en) * 1965-01-18 1969-01-28 Bell & Howell Co Collating-inserting machine
US4020615A (en) * 1975-12-15 1977-05-03 Pitney-Bowes, Inc. Envelope inserter and feeder system
EP0392867A1 (fr) * 1989-04-14 1990-10-17 BELL & HOWELL PHILLIPSBURG COMPANY Dispositif rotatif en ligne pour insérer des documents
US5168689A (en) * 1991-10-24 1992-12-08 Pitney Bowes Inc. Envelope stuffing apparatus with adjustable deck for handling different styled envelopes
US5247780A (en) * 1993-03-29 1993-09-28 Pitney Bowes Inc. Rotating envelope opening finger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2001009A (en) * 1931-08-20 1935-05-14 Patten Paper Company Ltd Envelope stuffing machine
US3423900A (en) * 1965-01-18 1969-01-28 Bell & Howell Co Collating-inserting machine
US4020615A (en) * 1975-12-15 1977-05-03 Pitney-Bowes, Inc. Envelope inserter and feeder system
EP0392867A1 (fr) * 1989-04-14 1990-10-17 BELL & HOWELL PHILLIPSBURG COMPANY Dispositif rotatif en ligne pour insérer des documents
US5168689A (en) * 1991-10-24 1992-12-08 Pitney Bowes Inc. Envelope stuffing apparatus with adjustable deck for handling different styled envelopes
US5247780A (en) * 1993-03-29 1993-09-28 Pitney Bowes Inc. Rotating envelope opening finger

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0785093A1 (fr) * 1996-01-18 1997-07-23 Pitney Bowes Inc. Doigts d'ouverture pour machine à insérer
EP0943458A1 (fr) * 1998-03-19 1999-09-22 Pitney Bowes Limited Appareil pour ouvrir des enveloppes
EP1120288A1 (fr) * 2000-01-28 2001-08-01 Neopost Industrie Système pour la fermeture optimisée de rabats d'enveloppes
FR2804373A1 (fr) * 2000-01-28 2001-08-03 Neopost Ind Systeme pour la fermeture optimisee de rabats d'enveloppes
US6701693B2 (en) 2000-01-28 2004-03-09 Neopost Industrie System for the optimalized closure of envelope flaps
EP1388431A2 (fr) * 2002-08-09 2004-02-11 Haller, Jürg Paul Machine d'insertion et procédé d'insertion de courrier dans des enveloppes
EP1388431A3 (fr) * 2002-08-09 2004-06-09 Haller, Jürg Paul Machine d'insertion et procédé d'insertion de courrier dans des enveloppes

Also Published As

Publication number Publication date
JPH06191192A (ja) 1994-07-12
JP2898157B2 (ja) 1999-05-31

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