CA2048958A1 - Ring binder - Google Patents

Ring binder

Info

Publication number
CA2048958A1
CA2048958A1 CA 2048958 CA2048958A CA2048958A1 CA 2048958 A1 CA2048958 A1 CA 2048958A1 CA 2048958 CA2048958 CA 2048958 CA 2048958 A CA2048958 A CA 2048958A CA 2048958 A1 CA2048958 A1 CA 2048958A1
Authority
CA
Canada
Prior art keywords
base member
opening
ring members
opening mechanism
ring binder
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.)
Granted
Application number
CA 2048958
Other languages
French (fr)
Other versions
CA2048958C (en
Inventor
Hung Yu Cheng
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.)
World Wide Stationery Manufacturing Co Ltd
Original Assignee
World Wide 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 World Wide Stationery Manufacturing Co Ltd filed Critical World Wide Stationery Manufacturing Co Ltd
Publication of CA2048958A1 publication Critical patent/CA2048958A1/en
Application granted granted Critical
Publication of CA2048958C publication Critical patent/CA2048958C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B42F13/26—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 and locked when so engaged, e.g. snap-action
    • 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

Landscapes

  • Sheet Holders (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

A ring binder includes a base member supporting a plurality of ring members, and an opening mechanism at each end of the base member for opening the plurality of ring members, each opening mechanism including lock means to lock the opening mechanisms in its closed position, the base member comprising a rigid upper structure supporting a pivotable lower structure to which the ring members are mounted, wherein at each end of the binder, the opening mechanism is pivotally supported between the lower structure and the upper structure, externally of the lower structure, and internally of the upper structure.
CA 2048958 1991-05-03 1991-08-12 Ring binder Expired - Fee Related CA2048958C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP91304057A EP0512169A1 (en) 1991-05-03 1991-05-03 Ring binder
EP91304057.2 1991-05-03

Publications (2)

Publication Number Publication Date
CA2048958A1 true CA2048958A1 (en) 1992-11-04
CA2048958C CA2048958C (en) 1996-04-16

Family

ID=8208279

Family Applications (2)

Application Number Title Priority Date Filing Date
CA 2048958 Expired - Fee Related CA2048958C (en) 1991-05-03 1991-08-12 Ring binder
CA 2056942 Expired - Lifetime CA2056942C (en) 1991-05-03 1991-12-04 Ring binder

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA 2056942 Expired - Lifetime CA2056942C (en) 1991-05-03 1991-12-04 Ring binder

Country Status (5)

Country Link
EP (1) EP0512169A1 (en)
CN (1) CN1040735C (en)
CA (2) CA2048958C (en)
GB (2) GB2255529B (en)
HK (4) HK22196A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0618085B1 (en) * 1993-03-31 1998-06-03 World Wide Stationery Manufacturing Co. Ltd. Improvements in and relating to a ring binder carrier rail
ES2105105T3 (en) * 1993-03-31 1997-10-16 World Wide Stationery Mfg Co IMPROVEMENTS IN AND RELATED TO CARRIER LANES IN RING FILE.
CN1037755C (en) * 1993-04-15 1998-03-18 国际文具制造厂有限公司 Improved pallet rail for ring binders
EP0764549A1 (en) * 1995-09-20 1997-03-26 World Wide Stationery Manufacturing Co. Ltd. A ring binder
EP0808727B1 (en) * 1996-05-21 2000-10-11 Leco Stationery Manufacturing Co. Ltd. A ring binder
US7726897B2 (en) * 2005-03-22 2010-06-01 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2056812A (en) * 1934-10-29 1936-10-06 Wilson Jones Co Loose leaf binder
BE420277A (en) * 1936-02-29
US2242035A (en) * 1939-05-06 1941-05-13 Edward A Koelling Loose leaf binder device
US3101719A (en) * 1960-06-21 1963-08-27 S E & M Vernon Inc Loose leaf binder
US3098490A (en) * 1961-06-09 1963-07-23 S E & M Vernon Inc Loose leaf ring binder
AT317840B (en) * 1972-12-15 1974-09-10 Metallwarenfabrik Koloman Hand Ring binder mechanism
US3884586A (en) * 1973-02-01 1975-05-20 Swingline Inc Safety lock loose-leaf ring binder mechanism
US4522526A (en) * 1982-06-28 1985-06-11 Dennison National Company Ring mechanism for loose leaf binders and method of manufacture therefor
GB2209500A (en) * 1987-09-08 1989-05-17 Lewis Cohen Ring binder mechanism
US4813803A (en) * 1987-10-05 1989-03-21 Wilson Jones Company Trigger mechanism for ring binder
MY104163A (en) * 1989-05-08 1994-02-28 Acco World Corp Binder locking ring mechanism with configured trigger.
US5116157A (en) * 1990-12-28 1992-05-26 U.S. Ring Binder Corporation Locking ring binder

Also Published As

Publication number Publication date
GB9125498D0 (en) 1992-01-29
HK22196A (en) 1996-02-16
GB2255529A (en) 1992-11-11
GB2255316A (en) 1992-11-04
GB2255316B (en) 1995-12-06
CN1066421A (en) 1992-11-25
EP0512169A1 (en) 1992-11-11
CA2048958C (en) 1996-04-16
CN1040735C (en) 1998-11-18
CA2056942C (en) 1998-03-31
CA2056942A1 (en) 1992-11-04
GB2255529B (en) 1995-08-09
GB9119715D0 (en) 1991-10-30
HK148596A (en) 1996-08-16
HK196996A (en) 1996-11-08
HK148696A (en) 1996-08-16

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed