EP1798056A2 - Fork mechanism and method of use thereof - Google Patents

Fork mechanism and method of use thereof Download PDF

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Publication number
EP1798056A2
EP1798056A2 EP20060256375 EP06256375A EP1798056A2 EP 1798056 A2 EP1798056 A2 EP 1798056A2 EP 20060256375 EP20060256375 EP 20060256375 EP 06256375 A EP06256375 A EP 06256375A EP 1798056 A2 EP1798056 A2 EP 1798056A2
Authority
EP
European Patent Office
Prior art keywords
disposed
fork mechanism
thrust bar
fastener
slice
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Withdrawn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
EP20060256375
Other languages
German (de)
English (en)
French (fr)
Inventor
Lin Chunhai
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.)
Leco Stationery Manufacturing Co Ltd
Original Assignee
Leco Stationery Manufacturing Co Ltd
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 Leco Stationery Manufacturing Co Ltd filed Critical Leco Stationery Manufacturing Co Ltd
Publication of EP1798056A2 publication Critical patent/EP1798056A2/en
Withdrawn legal-status Critical Current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

Definitions

  • the present invention relates to a fork mechanism, more particularly to a fork mechanism made of little material and used conveniently and its using method.
  • the invention also relates to a stationery retainer, such as for retaining items such as sheet-like materials such as paper.
  • Known fork mechanisms usually use two hinge connections; they are therefore large in size, and high in transport and manufacturing cost. Furthermore, when the known existing fork mechanisms are opened or closed, the moving direction is perpendicular to the hinge shaft, so the operation steps are numerous.
  • An object of the invention is to overcome at least to a certain extent the defaults of the known fork mechanism which are complex in structure, big in size, high in transport and manufacturing cost, complex and difficult to open, and to provide a new fork mechanism using a hinge connection, such as a single hinge connection, which can lower cost greatly and can be opened conveniently.
  • a fork mechanism comprising two seats with fork pins, the two seats connected to each other by a hinge.
  • One seat is disposed with a fastener with a bayonet (or latch); another seat is disposed with a supporting slice (or support) member.
  • a thrust bar 9 (or a thrust member) capable of sliding along the hinge shaft is disposed on the supporting slice, and the thrust bar is disposed with a clipping slice (or a member) matching the bayonet (or the latch) of the fastener.
  • the thrust bar is disposed with a slip groove.
  • a spring which can make the thrust bar home is preferably disposed in the slip groove.
  • a limiting slice (or limiting member) capable of being inserted into the slip groove is disposed on the supporting slice.
  • the clipping slice (or the member) is disposed (or provided) from inside to outside with two bayonets (or latches).
  • the hinge is disposed with a torsion spring, which can bounce the seat, or bias the seats away from one another.
  • the thrust bar is pushed in the direction of the hinge shaft so that the clipping slice (or the member) on the thrust bar disengages the bayonet (or the latch) of the fastener, in order to open the fork mechanism (or stationery retainer).
  • the thrust bar is pushed in the direction of the hinge shaft so that the clipping slice (or the member) on the thrust bar disengages the inside bayonet (or the first latch) of the fastener at first, thereby the fork mechanism is half opened. Then, the clipping slice (or member) on the thrust bar disengages the outside bayonet (or the second latch), thereby the fork mechanism is fully opened.
  • the material used and the plating area are reduced by 30% and 20% respectively compared with existing production, and the transport volume is reduced by about 50% compared with existing production. So the aggregate cost is lowered greatly.
  • the folder opening structure of the thrust bar pushed in the hinge shaft indirection or a direction parallel to a longitudinal axis of the hinge the opening step of the folder is extremely simple.
  • a fork mechanism (or stationery retainer) comprises two seats 1 with fork pins 108 (or stationery engagers), the two seats 1 connecting each other by a hinge 2.
  • One seat 1 is disposed with a fastener 3 with a bayonet or latch.
  • Another seat is disposed with a supporting slice 4 (or support member. 4).
  • a thrust bar 5 (or thrust member 5) capable of sliding along the hinge shaft (or hinge axis) is disposed on the supporting slice 4, and the thrust bar 5 is disposed with a clipping slice 6 (or a latch engaging member 6) matching the bayonet of the fastener 3.
  • the thrust bar 5 is disposed with a slip groove 7.
  • a spring 8 which can make the thrust bar 5 home (or which can bias the thrust member to a home position) is disposed in the slip groove 7.
  • a limiting slice 10 (or movement limiting member 10) capable of being inserted into the slip groove 7 is disposed on the supporting slice 4.
  • the fastener 3 is disposed from inside to outside with two bayonets.
  • the hinge 2 is disposed with a torsion spring 9, which can bounce the seat 1, or which can bias the seats 1 apart.
  • the thrust bar 5 when the fork mechanism is used, the thrust bar 5 is pushed in the direction of the hinge shaft so that the clipping slice 6 on the thrust bar 5 disengages the bayonet of the fastener 3, in order to open the fork mechanism.
  • the thrust bar 5 may be pushed in the direction of the hinge shaft so that the clipping slice 6 on the thrust bar 5 disengages the inside bayonet of the fastener 3 at first, in order to half open the fork mechanism. Then, the clipping slice on the thrust bar may disengage the outside bayonet, in order to fully open the fork mechanism.
  • a perforated paper or other sheet material may be put on one side fork pin seat 1, and the other fork pin seat 1 may be pushed in the direction perpendicular to the hinge shaft, such that the clipping slice 6 enters into the outside bayonet and the inside bayonet of the fastener 3 in turn, in order to clip and/or retain the paper 100 or other sheet-like material.
  • a folder 102 may be attached to the seats 1 using fasteners 104 (such as rivets or screws and nuts) attached through apertures 106 on seats 1.

Landscapes

  • Sewing Machines And Sewing (AREA)
  • Sheet Holders (AREA)
EP20060256375 2005-12-14 2006-12-14 Fork mechanism and method of use thereof Withdrawn EP1798056A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005101305366A CN100436158C (zh) 2005-12-14 2005-12-14 用于夹持文件的叉针夹及其使用方法

Publications (1)

Publication Number Publication Date
EP1798056A2 true EP1798056A2 (en) 2007-06-20

Family

ID=37846135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060256375 Withdrawn EP1798056A2 (en) 2005-12-14 2006-12-14 Fork mechanism and method of use thereof

Country Status (2)

Country Link
EP (1) EP1798056A2 (zh)
CN (1) CN100436158C (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120294669A1 (en) * 2011-05-16 2012-11-22 Staples The Office Superstore, Llc Binder
USD839343S1 (en) 2012-04-03 2019-01-29 Staples, Inc. Notebook pocket

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB637565A (en) * 1945-03-26 1950-05-24 Galco Ab Latch means for loose leaf binders
JPS5698480U (zh) * 1979-12-27 1981-08-04
JPH085271B2 (ja) * 1993-04-21 1996-01-24 株式会社リヒトラブ 綴 具
CN2913018Y (zh) * 2005-12-14 2007-06-20 利高文具制造厂有限公司 用于夹持文件的叉针夹

Also Published As

Publication number Publication date
CN100436158C (zh) 2008-11-26
CN1982078A (zh) 2007-06-20

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