EP0442845A1 - Mécanisme de fermeture pour classeur - Google Patents

Mécanisme de fermeture pour classeur Download PDF

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Publication number
EP0442845A1
EP0442845A1 EP91810081A EP91810081A EP0442845A1 EP 0442845 A1 EP0442845 A1 EP 0442845A1 EP 91810081 A EP91810081 A EP 91810081A EP 91810081 A EP91810081 A EP 91810081A EP 0442845 A1 EP0442845 A1 EP 0442845A1
Authority
EP
European Patent Office
Prior art keywords
lever
base plate
locking
mechanism according
carrier
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Withdrawn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
EP91810081A
Other languages
German (de)
English (en)
Inventor
Benedikt Rohner
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.)
BIELLA-NEHER AG
BIELLA NEHER AG
Original Assignee
BIELLA-NEHER AG
BIELLA NEHER AG
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 BIELLA-NEHER AG, BIELLA NEHER AG filed Critical BIELLA-NEHER AG
Publication of EP0442845A1 publication Critical patent/EP0442845A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
    • B42F13/22—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges in two sections engaging each other when closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/36—Locking followers; Pressure bars

Definitions

  • the invention relates to a locking mechanism for file folders according to the preamble of claim 1.
  • Closure mechanisms in a variety of embodiments are known for receiving perforated sheets in file folders.
  • Closure mechanisms of this type have two or more brackets which are divided in the middle or outside the middle and are attached to a base body in such a way that they can be opened for inserting and removing sheets by pivoting one or the two bracket halves.
  • Locking mechanisms that have an actuating element in the form of a pivoted lever are very common, especially for use in large files.
  • the brackets on one side of the mechanism can be pivoted using the lever mechanism, while the other bracket parts are firmly connected to the base plate.
  • the mechanics should have a flat shape in order to have the greatest possible free height available for stacking sheets.
  • this object is achieved by the features listed in the characterizing part of claim 1.
  • the hold-down defined in the characterizing part of claim 8 also contributes to a flat design of the mechanics.
  • the locking mechanism 1 shown in perspective in FIG. 1 is provided with brackets 2, 3 for lining up perforated sheets.
  • the brackets 2, 3 are each divided into a left bracket part 2a, 3a and a right bracket part 2b, 3b in their upper region.
  • the dividing joint is located to the right of the middle of the bracket, so that the right bracket parts 2b, 3b have the shape of alignment pins bent slightly towards the center of the mechanism in their upper part.
  • the bracket parts of one side 2a, 3a; 2b, 3b are each attached to a common carrier plate 4. This attachment is preferably done in such a way that the foot of the bracket parts is riveted to the carrier plate, but other types of connection are also possible.
  • the carrier plates 4 are pivotally connected to the base plate of the mechanism in a manner to be described.
  • the base plate 5 is provided with a longitudinal rail 6 which extends upwards from its center.
  • longitudinal elevations 7 also extend upwards on both sides of the outer edge of the base plate 5.
  • the height of these elevations 7 preferably corresponds to the thickness of the carrier plates 4, so that there is a smooth transition between the two parts.
  • the carrier plates 4 preferably have a smooth rectangular shape and cover the entire area of the base plate in the area between the elevations and the longitudinal rail, which favors the visual appearance of the mechanics.
  • the mechanism for inserting and removing sheets is opened by pivoting the two carrier plates equally around an imaginary axis in the area of their outer edge.
  • An actuating lever 8 which is pivotably connected to the longitudinal rail 6 by means of an axis 9, is used for the relevant actuation. At the other end of the actuating lever 8 there is a bolt 10 for locking the mechanism.
  • a helical spring 11 which presses against the support plate from below and thus moves the mechanics into the open position.
  • These springs are conical and are received by depressions 12 provided in the base plate 5 to fix their position.
  • the conical design of the coil springs 11 helps to achieve the desired flat design of the entire mechanism.
  • the carrier plates 4 lie essentially flat on the base plate 5, the coil springs 11 approximately on their Block length are compressed. With a conical spring, this length only corresponds to the diameter of its spring wire.
  • the depressions 12 have at least such a depth that corresponds to the diameter of the wire of the spring.
  • there are bores or depressions 5a in the base plate in which protruding parts of the means for fastening the bracket parts, for example screw or rivet heads, can be accommodated.
  • the operating lever 8 has the cross-sectional shape of a U-profile which is open at the bottom.
  • the lever 8 thus acts like a cap located above the longitudinal rail 6 and covers it over its entire length.
  • the pivotable attachment of the actuating lever 8 with the longitudinal rail 6 takes place via the axis 9.
  • This axis 9 projects through holes 9a in the side cheeks 8a of the lever and through a hole 9b in the longitudinal rail 6.
  • the diameter of the bores and the axis are dimensioned so that on the one hand a pivoting movement of the lever is possible, but an axial securing of the pivot pin against falling out is not necessary.
  • a bolt 10 is provided for locking the lever 8.
  • the lower part of the latch 10 is connected to the longitudinal rail 6, and the upper part is movable by elastically deforming the latch.
  • the bolt protrudes through a recess 8b in the lever 8, so that it is essentially covered by the lever 8 and only its upper part is visible from the outside.
  • the locking means are designed so that two different positions of the lever 8 are fixed. Consequently, the lever, which is pivotally mounted at its other end, can assume two different angular positions.
  • the openings 14 on the inner surface adjacent to the elevation 7 of the base plate are each provided with a continuous strip 15.
  • the bar 15 present on the base plate engages in the longitudinal groove 16 provided on the carrier plate 4.
  • the strip 15 and the groove 16 are dimensioned such that the carrier plate 4 can be pivoted within the area limited by the locking means 10 relative to the base plate.
  • the edge 17 of the base plate 5 adjacent to the projection 13 and the edge 18 of the support plate adjacent to the elevation 7 4 are chamfered to have space for the pivoting of the support plate.
  • the mounting of the carrier plate 4 on the base plate 5 can be seen in Fig. 5.
  • the part 19 of the base plate 5 adjacent to the openings 14 must be bent downward, that is to say elastically deformed.
  • the parts 19 of the base plate are designed like leaf springs.
  • FIG. 2 there is a slot 20 at the beginning and at the end of each of the openings 14 provided in the base plate. These slots 20 run essentially perpendicular to the openings 14 in the direction of the center of the mechanism.
  • the slots 20 end on the inside with a rounded portion 21 in order to reduce the notch effect and thus to avoid cracks or breaking off of the leaf spring-like part 19 due to the bending.
  • the mounting plate 4 is inserted into the base plate 5 for mounting so that the projections 13 press on the counterparts 19 from above.
  • the spring 11 is inserted into the depression 12 intended for this purpose.
  • the counterparts 19 which have a leaf spring-like design because of the slots 20, bend downward.
  • the base plate 5 must be supported for assembly so that the counterparts 19 can be bent down. If the projections 13 are pressed down far enough against the counterparts 19, the strips can 15 each engage in the longitudinal grooves 16, whereupon the projections 13 slide completely into the openings 14 receiving them and the counterparts 19 can spring back.
  • the edges 17, 18 a limitation of the opening angle of the mechanics which has not yet been fully assembled is achieved.
  • the longitudinal section through the mechanics shown in FIG. 6 shows the function of the locking means.
  • the locking means are formed by a bolt 10 attached to the longitudinal rail 6, which has two projections 22, 23, and by the two locking edges 24, 25 provided on the lever 8.
  • the front projection 22 of the bolt 10 is in engagement with the locking edge 24 of the lever 8.
  • the end 26 of the bolt 10 is pulled back so that the locking edge 24 can pass the projection 22.
  • the mechanism opens by pivoting the carrier plates 4 with the bracket parts 2a, 3a; 2b, 3b.
  • the lever 8 is pivoted into such a position until the rear projection 23 of the bolt 10 engages with the lower locking edge 25 of the lever 8. The second locking stage is thus achieved.
  • This second locking level cannot be released, so that pivoting of the lever 8 beyond the position present when the mechanism is open is impossible. In this way, the opening position of the mechanics is limited.
  • the springs 11 are dimensioned such that they are still under tension even when the mechanics are open.
  • the second locking level thus serves on the one hand to define a defined opening position of the mechanics and at any time to keep the path for folding the sheets clear and on the other hand to avoid that the lever 8, which rises due to the spring force, strikes the fingers of the operator.
  • the lever 8 is pressed down by pressing on the step 27, the edge 24 pressing against the bevel 28 adjoining the projection 22.
  • the end 26 of the latch 10 is thus elastically deformed to the rear until the projection 22 passes over the locking edge 24.
  • the latch 10 springs back into its initial position and the edge 24 is in engagement with the projection 22.
  • the underside of the lever 8 has two different regions 29, 30 which are offset from one another by the amount of the opening angle of the lever.
  • the lever 8, which is preferably made of a plastic is thus in each case with an approximately equally large area on the carrier plates 4, with the result that the pressure force exerted by the spring 11 is distributed over the largest possible area in both end positions.
  • FIG. 7 shows a second embodiment of the locking mechanism according to the invention.
  • the pivotable lever 80 of the exemplary embodiment shown in FIG. 7 is designed as an upwardly open bracket.
  • the correspondingly adapted shape of the longitudinal rail 60 can also be seen in FIG. 7.
  • the pivotable attachment of the actuating lever 80 to the longitudinal rail 60 takes place via the axis 90.
  • This axis 90 projects through bores 90a present in the bracket halves 80a of the pivotable lever 80 and through a bore 90b provided at one end of the longitudinal rail 60.
  • the diameter of the bores and the axes are measured so that on the one hand a pivoting movement of the lever is possible, but an axial securing of the pivot pin against falling out is not absolutely necessary.
  • a latch 100 is provided for locking the lever 80.
  • Fig. 7 shows a second embodiment of this bolt, but it should be noted that the locking mechanism according to the invention can also be provided with other versions of a bolt. It is thus possible to equip the first embodiment of the mechanism according to the invention shown in the above figures with a lever of the type shown in FIG. 7. It is also possible to equip the second embodiment of the mechanism according to the invention shown in FIG. 7 with a bolt of the type obtained with reference to the first embodiment of the mechanism shown in the preceding figures.
  • the bolt 100 shown in FIG. 7 is inserted with its front part 101 into a recess 61 provided in the longitudinal rail 60. Between the end face of the front part 101 of the bolt 100 and the base of the recess 61 in the longitudinal rail 60 there is an intermediate space in which a compression spring 70 is located.
  • the latch 100 is designed in such a way that the two locking edges 220, 230 are located at different heights, which can cooperate with a locking pin 240 present between the two bracket halves of the lever 80.
  • the locking pin 240 is in engagement with the lower locking edge 220 of the latch 100.
  • the latch is pressed into the longitudinal rail 60 by finger pressure on its end face 105 against the pressure of the spring 101.
  • the locking pin 240 is disengaged from the locking edge 220 and the lever 80 pivots upwards due to the compression springs present between the support plate and the base plate.
  • the locking pin 240 passes through the slot connecting the two locking edges 220 and 230 and finally comes into engagement with the upper locking edge 230, and a further pivoting movement of the lever 80 is blocked. With this stop, the opening position of the mechanics is defined.
  • the mechanism described is characterized by simple operation with regard to opening and closing and by the possibility of unhindered folding of sheets even when the mechanism is open. Furthermore, the mechanism is characterized by a flat design, which results in a large height available for stacking sheets.

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  • Sheet Holders (AREA)
EP91810081A 1990-02-16 1991-02-06 Mécanisme de fermeture pour classeur Withdrawn EP0442845A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH501/90 1990-02-16
CH50190 1990-02-16

Publications (1)

Publication Number Publication Date
EP0442845A1 true EP0442845A1 (fr) 1991-08-21

Family

ID=4188451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810081A Withdrawn EP0442845A1 (fr) 1990-02-16 1991-02-06 Mécanisme de fermeture pour classeur

Country Status (3)

Country Link
US (1) US5076722A (fr)
EP (1) EP0442845A1 (fr)
JP (1) JPH05309986A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1834809A1 (fr) * 2004-12-27 2007-09-19 King Jim Co., Ltd. Reliure pour document
EP2186646A1 (fr) * 2007-09-04 2010-05-19 Kokuyo Co., Ltd. Classeur et fiche

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4428114A1 (de) * 1994-08-09 1996-02-15 Leitz Louis Kg Ordnermechanik
US6637968B2 (en) * 2001-05-07 2003-10-28 Hong Kong Stationery Manufacturing Co., Ltd. Three-ring binder with actuating crank
JP4521883B2 (ja) * 2004-04-05 2010-08-11 株式会社キングジム 書類等の綴じ具
JP5097977B2 (ja) * 2007-09-04 2012-12-12 コクヨ株式会社 綴じ具、ファイル

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004570A (en) * 1933-10-09 1935-06-11 Wilson Jones Co Loose leaf binder
US3153417A (en) * 1961-07-14 1964-10-20 Plaswin Corp Loose leaf binder
DE3146392A1 (de) * 1981-11-23 1983-06-09 SOENNECKEN Gesellschaft für Büroorganisation mbH, 6000 Frankfurt Briefordnermechanik
DE3306987A1 (de) * 1983-02-28 1984-08-30 Elektrische Licht- und Kraftanlagen AG, 3588 Homberg Briefordnermechanik

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL87245C (fr) * 1953-05-20
US3083713A (en) * 1958-04-02 1963-04-02 Soennecken F Paper retaining devices for files
US3104667A (en) * 1961-12-07 1963-09-24 Mintz Julius Ring binder
DE1214197B (de) * 1963-08-10 1966-04-14 Leitz Fa Louis Abdeckschiene zum Festklemmen von aufgereihtem Schriftgut an den Aufreihstiften eines Briefordners
US4349289A (en) * 1977-04-19 1982-09-14 Cardellini Vincenzo E Loose leaf binder
DE3004830C2 (de) * 1979-02-17 1983-10-20 King Jim Co., Ltd., Tokyo Aufreihvorrichtung für einen Ringordner
GB2116481B (en) * 1982-03-03 1985-09-11 Victor Blunt Improvements relating to filing arrangements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004570A (en) * 1933-10-09 1935-06-11 Wilson Jones Co Loose leaf binder
US3153417A (en) * 1961-07-14 1964-10-20 Plaswin Corp Loose leaf binder
DE3146392A1 (de) * 1981-11-23 1983-06-09 SOENNECKEN Gesellschaft für Büroorganisation mbH, 6000 Frankfurt Briefordnermechanik
DE3306987A1 (de) * 1983-02-28 1984-08-30 Elektrische Licht- und Kraftanlagen AG, 3588 Homberg Briefordnermechanik

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1834809A1 (fr) * 2004-12-27 2007-09-19 King Jim Co., Ltd. Reliure pour document
EP1834809A4 (fr) * 2004-12-27 2011-08-03 King Jim Co Ltd Reliure pour document
EP2186646A1 (fr) * 2007-09-04 2010-05-19 Kokuyo Co., Ltd. Classeur et fiche
EP2186646A4 (fr) * 2007-09-04 2013-06-12 Kokuyo Kk Classeur et fiche

Also Published As

Publication number Publication date
JPH05309986A (ja) 1993-11-22
US5076722A (en) 1991-12-31

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