US974831A - Loose-leaf binder. - Google Patents

Loose-leaf binder. Download PDF

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Publication number
US974831A
US974831A US50646609A US1909506466A US974831A US 974831 A US974831 A US 974831A US 50646609 A US50646609 A US 50646609A US 1909506466 A US1909506466 A US 1909506466A US 974831 A US974831 A US 974831A
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US
United States
Prior art keywords
plates
loose
hinge
binder
prongs
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.)
Expired - Lifetime
Application number
US50646609A
Inventor
Lawrence F Scherzinger
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.)
TENGWALL Co
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TENGWALL Co
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 TENGWALL Co filed Critical TENGWALL Co
Priority to US50646609A priority Critical patent/US974831A/en
Application granted granted Critical
Publication of US974831A publication Critical patent/US974831A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42FSHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00Filing appliances with means for engaging perforations or slots
    • B42F13/16Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/20Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
    • B42F13/22Filing 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
    • B42F13/26Filing 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

Description

L. F. sGHERZNGBR.
LOOSE LEAF BINDER.
'APPLICATION FILED JULY 8, 1909.
9749831 o Patented Nov. 8, 1910.
MM .914 20 52121 -gl z i@ i @www ..20 in which' the hinge leaf remain in open or ing'is aspecificatioii.
` T his invention'` relates to improvements I To all whom 'it may concern:
Beit known that I, LAWRENCE F. 'SoHER-' ZINGER, a citizen ofthe United States, resid' ing at 119 Cullom avnue,-0hicago, county of Cook, and State of Illinois,j'have invented' [hinge plates 11 byfmeans of knuckles 12 vcertain V. nevv and "useful Improvements in 'Loose-Leaf Bintiers,V of whichfthe `i'ollowknuckles upon the supporting plate. The
`LAWRENGE F. SHERZINGER, OF CHICAGO, ILLINOIS,IASSIGNOR TO THE TENGWALL- ooMPANm'oEoHICAGo, rLLrNqis, A CORPORATION or MAINE.
in loose leaf binders'and refers more part'icularlyjto-fimproved locking mechanism 'v anism oivvhich 'may be used ondiflerent for bindersor files of the'prong type.x Among the salient'objects .of the inven` A tion are to provide a construction in which@ the. hinge leafs carrying the prong r'iiembeis are-forced open by simple cam mechanism; and are positivelyflcked in either open or`^v closed position; to .provide a construction lin 'which the-"operating mechanism is substantially concealedvvit inthe binder, and
=closed position Without manual control, hereby permitting lthe use of both 'hands for inserting the-leaves upon the binder.; to provide a construction the locking mechstyles 'of binders; Vt'o-provide 4an extremely simple and reliable construction Whichcan be manufactured at a verylow cost; and in -general to provide 'an improvedconstruction of the character'referred to.
The invention consists inthe mattersliere-A after` described and more particularly `,pointed.'fout in the appended claims.
'In the drawings-fFigure'lis a perspecf tivevie'W of a temporary binder ofthe prong 1 i' v type equipped with. my invent-ion, the covers eing open a'ndthe sheet-holding prongs closed.. Fig. 42 is the top plan .vievv of the binder proper,V` the cover plate beingjhow-. lever, removed, in order to bring out certain details of construction. Fig. 3 is a 'longitudinal vertical sectional View of the binder. Fig. 4 is a transverse sectional vievv .showing the prongs closed and Fig; 5 is a view showing the prongs open.
: the covers 'of thebinder having -anintegral' Referring to the drawings, 1,'.1Ldesignates back. Lyin-ginside ofthe back isa connecting strip 4, the ends of `which are suitably securedto" the covers asshoii'vn at. 5.
. f lThis strip 4 is fastenedv between the curved su ortin l,plate 6 and a clamping plate-7' pp g The longitudinal by' means of rivets 8.
Specification of Letterslatent.
' Application filed July 8, 190.9. Serial No. 500,466.
fastened in' the usual-manner. plates 11'A are-*normally forced into-aline- `ment, thus closing the prongs, by means of the meeting edges of the hinge `plates 11.
Loose-LEAF BINDER.
Patented Nov. 8,1910.
edges of the curved plate-6 are provided withv spaced apart hinge strips or4 knuckles 9, 9 clamped around the ypintles 10, 10. To
these' pintles` are .pivotally connected the which register With the alternately disposed hingepla'tes orfstrips are provided With the usual prongsl'g lto which the leaves are coiled springs 14 mounted upon the `pintles and provided With-fingers 15 'Which engage the. upper. face of the` corresponding hinge plates.
Describing now the locking mechanism for holding the prongs in either open or closed position, Within, the upper face of the curved supporting plate 6` is mounted a sliding'bar or arm 16,' the ends of which are provided with closedslots 17 riding in suitable conining studs or. guide screws 18. The outer end of the arm is provided with an upstanding handle 19 `whereby the-arm may be reoiprocatedacross'the face of the curved support-ingplate .As an important feature of construction the arm 16 is provided with ivedgelshaped cams 20 normally projecting through suitable apertures 21 formed'by cutting awfiiy n order'to positively lock or clamp the hinge plates in cl-osed position the cams are each provided With a locking lip or tongue 22 vvhi'ch project over the meeting edges of the hinge' plates'vvhen the latter are in closed position as 'shown at 23. The hinge plates are limited in their upward .movement by means of a downwardly curved closure plate Q41, the edges of. which are crimped over the hinge knuckles as shown at 25. This upper member 24 is slotted as shown at 26 at points .opposite`the prongs 13 in order that the lat- The` hinge lThe operation of the device is apparent I `from the above description. When 1t is desired to open the prongs to insert the leaves,
the arm 16 is drawn back until the cams pass out of theslots' 21 `whereupon the hinge plates will be obviously lifted and the prongs v swung apart. Tl1ey.will remain in this position `until the'arm 1G is again forced back to its original position whereupon the cam will reenter the slots and the hinge plates return to normal through the action of the springs. At the same time thelocking lips will ride `up over the meeting edges of the plates and positively lock the latter in closed position. j
yThe invention is not limited to the details v of construct-ion shown except as set forth in the appended claims. I claim as my lnventionz' y m 1. Ina binder, the combination with a,
supporting plate, of pronged' carryingmembers hinged thereto'an'd provided with a plurality of opposed prongs, 'an actuating arm slidably mounted in said supporting-} )late, and cam blocks carried by saidarm and projectingthrough slots-formed in `the meeting edges 'of said prong carrying members when the latter are in closed position.
2. Inv a binder, the combination with a supporting frame member, of prong plates hinged thereto and provided with a plu- `rality of -opposed prongs, an actuating arm slidably mounted in said frame member, and
cam blocks carried by said arm and moving te: v 974,831I
supporting frame member, of leaf carrying .plates hinged thereto, an actuating arm slidablymount-edbeneath said plates anda cam block carried by said arm and projecting through an aperture formed in the meeting edges of saidplates when the latter are in closed position.
5. In a binder, the combination with a Asupporting plate, of prong carrying mem bers hinged thereto and'orovicled'with o3- e l, A p osed prongs,l an actuating armslidably mounted beneath said plates, a caln block carried thereby, a conningplate, and a flexible cover attaching member secured be-V tween said confining and supporting plates.
LMVRENCE` 1r. SCHERZINGER. Vilitnesses':U I* Y HOYT N. MCCLAIN, JOHNJ. Diem..
US50646609A 1909-07-08 1909-07-08 Loose-leaf binder. Expired - Lifetime US974831A (en)

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US50646609A US974831A (en) 1909-07-08 1909-07-08 Loose-leaf binder.

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US50646609A US974831A (en) 1909-07-08 1909-07-08 Loose-leaf binder.

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US974831A true US974831A (en) 1910-11-08

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077888A (en) * 1958-07-21 1963-02-19 Gen Binding Corp Slide lock for a binding element
US3253603A (en) * 1963-09-16 1966-05-31 Gen Binding Corp Binding element
US4486112A (en) * 1982-03-04 1984-12-04 R. D. Cummins, Incorporated Loose leaf binder
US4566817A (en) * 1984-01-16 1986-01-28 Barrett Jr Arthur M Ring binder
US4571108A (en) * 1982-11-26 1986-02-18 Kurt Vogl Locking ring binder mechanism with control slide
US5660490A (en) * 1995-03-31 1997-08-26 U.S. Ring Binder Corporation Ring binder
US6196749B1 (en) 1999-04-22 2001-03-06 James S. Chizmar Loose-leaf binder
US20020122687A1 (en) * 2000-04-25 2002-09-05 Horn Hans Johann Ring-binder mechanism
US6702501B2 (en) 1999-04-22 2004-03-09 James S. Chizmar Loose-leaf binder
US20040170468A1 (en) * 1999-04-22 2004-09-02 Chizmar James S. Loose-leaf binder
DE10329758A1 (en) * 2003-07-02 2005-01-20 Dieter Mesterheide Loose-leaf filing mechanism for documents has angled material projections on long side of carrier rail to offer resistance to closing and opening mechanism
US20050013654A1 (en) * 2002-12-18 2005-01-20 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US20050100396A1 (en) * 2003-11-10 2005-05-12 Arpad Barabas Ring binder and ring binder mechanism
US20050201817A1 (en) * 2004-03-15 2005-09-15 World Wide Stationery Manufacturing Company, Limited. Ring binder mechanism with dual pivot locking elements
US20050201820A1 (en) * 2004-03-15 2005-09-15 Word Wide Stationery Manufacturing Company, Limited Soft close ring binder mechanism with reinforced travel bar
US20050201818A1 (en) * 2004-03-15 2005-09-15 Cheng Hung Y. Soft close ring binder mechanism
US20050201819A1 (en) * 2004-03-15 2005-09-15 Cheng Hung Y. Positive lock ring binder mechanism
US20060088364A1 (en) * 2004-10-21 2006-04-27 Whaley Paul A Easy open ring binder
US20060147254A1 (en) * 2004-12-30 2006-07-06 World Wide Stationery Mfg. Co., Ltd. Lever for a ring mechanism
US20060228164A1 (en) * 2005-04-12 2006-10-12 Horn Hans J Ring binder mechanism
US20060245821A1 (en) * 2005-05-02 2006-11-02 Whaley Paul A Binder metal with shield insert
US20060251468A1 (en) * 2005-05-06 2006-11-09 World Wide Stationery Mfg. Co., Ltd. Ring mechanism with spring biased travel bar
US20070086836A1 (en) * 2005-09-19 2007-04-19 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism with operating lever and travel bar
US20070160415A1 (en) * 2005-03-22 2007-07-12 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US7296946B2 (en) 2001-11-30 2007-11-20 Microsoft Corporation Ring binder mechanism
US20080075527A1 (en) * 2006-09-27 2008-03-27 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US20080075526A1 (en) * 2006-09-27 2008-03-27 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US20080124166A1 (en) * 2006-09-27 2008-05-29 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US7404685B2 (en) 2004-12-30 2008-07-29 World Wide Stationery Manufacturing Company, Limited Ring binder mechanism spring biased to a locked position when ring members close
US20090003925A1 (en) * 1999-04-22 2009-01-01 Chizmar James S Loose-Leaf Binder
US7491006B2 (en) 2004-10-21 2009-02-17 U.S. Ring Binder, L.P. Easy open ring binder
US7524128B2 (en) 2004-12-30 2009-04-28 World Wide Stationery Manufacturing Company Limited Ring binder mechanism spring biased to a locked position
US20090110469A1 (en) * 2007-10-31 2009-04-30 Chun Yuen To Ring binder mechanism
US20090110470A1 (en) * 2007-10-31 2009-04-30 World Wide Stationery, Mfg. Co., Ltd. Ring binder mechanism with polymeric housing and actuator
US7534064B2 (en) 2005-01-12 2009-05-19 World Wide Stationery Mfg. Co., Ltd. Ring mechanism biased to closed and locked position
US7600939B2 (en) 2006-09-28 2009-10-13 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism with sliding hinge plate
US7661899B2 (en) 2005-03-22 2010-02-16 World Wide Stationery Mfg. Co., Ltd. Lever for a ring binder mechanism
US20110170942A1 (en) * 2010-01-14 2011-07-14 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism having dual time buffer actuator
US8162556B2 (en) 2008-12-30 2012-04-24 World Wide Stationery Mfg. Co., Ltd. Actuator for a ring binder mechanism
US8480327B2 (en) 2009-01-16 2013-07-09 Hans Johann Horn Binder apparatus
US8573876B2 (en) 2004-03-15 2013-11-05 World Wide Stationery Manufacturing Company, Limited Soft close ring binder mechanism with mating ring tips
US8851783B2 (en) 2010-06-09 2014-10-07 World Wide Stationary Mfg. Co. Ltd. Ring binder mechanism having snap-in ring members
US8899866B2 (en) 2012-04-28 2014-12-02 World Wide Stationary Mfg. Co. Ltd. Ring binder mechanism with self-locking actuator
US9102187B1 (en) * 2014-02-19 2015-08-11 Chung Tin International, Inc. Ring binder mechanism
US9511617B2 (en) 2013-10-31 2016-12-06 World Wide Stationary Mfg. Co., Ltd. Ring binder mechanism
US9522561B2 (en) 2013-08-27 2016-12-20 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US9895922B2 (en) 2015-02-05 2018-02-20 World Wide Stationery Mfg. Co., Ltd. Ring binder with interlocking ring members

Cited By (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077888A (en) * 1958-07-21 1963-02-19 Gen Binding Corp Slide lock for a binding element
US3253603A (en) * 1963-09-16 1966-05-31 Gen Binding Corp Binding element
US4486112A (en) * 1982-03-04 1984-12-04 R. D. Cummins, Incorporated Loose leaf binder
US4571108A (en) * 1982-11-26 1986-02-18 Kurt Vogl Locking ring binder mechanism with control slide
US4566817A (en) * 1984-01-16 1986-01-28 Barrett Jr Arthur M Ring binder
US5660490A (en) * 1995-03-31 1997-08-26 U.S. Ring Binder Corporation Ring binder
US20090003925A1 (en) * 1999-04-22 2009-01-01 Chizmar James S Loose-Leaf Binder
US6196749B1 (en) 1999-04-22 2001-03-06 James S. Chizmar Loose-leaf binder
US6371678B1 (en) 1999-04-22 2002-04-16 James S. Chizmar Loose-leaf binder
US6702501B2 (en) 1999-04-22 2004-03-09 James S. Chizmar Loose-leaf binder
US20040170468A1 (en) * 1999-04-22 2004-09-02 Chizmar James S. Loose-leaf binder
US8277140B2 (en) 1999-04-22 2012-10-02 Chizmar James S Loose-leaf binder
US7347640B2 (en) 1999-04-22 2008-03-25 James S. Chizmar Loose-leaf binder
US6840695B2 (en) 2000-04-25 2005-01-11 Esselte Leitz Gmbh & Co Kg Ring-binder mechanism
US20020122687A1 (en) * 2000-04-25 2002-09-05 Horn Hans Johann Ring-binder mechanism
US7878729B2 (en) 2001-11-30 2011-02-01 World Wide Stationery Manufacturing Company, Ltd. Intermediate connector for a ring binder mechanism
US20080050171A1 (en) * 2001-11-30 2008-02-28 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US7296946B2 (en) 2001-11-30 2007-11-20 Microsoft Corporation Ring binder mechanism
US8414212B2 (en) 2001-11-30 2013-04-09 Hung Yuen Cheng Ring binder mechanism
US20050013654A1 (en) * 2002-12-18 2005-01-20 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US7891901B2 (en) 2002-12-18 2011-02-22 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US20110110703A1 (en) * 2002-12-18 2011-05-12 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US7744300B2 (en) 2002-12-18 2010-06-29 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US8038361B2 (en) 2002-12-18 2011-10-18 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US20080089736A1 (en) * 2002-12-18 2008-04-17 Cheng Hung Y Ready lock ring binder mechanism
US7549817B2 (en) 2002-12-18 2009-06-23 World Wide Stationery Mfg. Co., Ltd. Ready lock ring binder mechanism
US20090041532A1 (en) * 2002-12-18 2009-02-12 World Wide Stationery Mfg. Co., Ltd Ready lock ring binder mechanism
DE10329758A1 (en) * 2003-07-02 2005-01-20 Dieter Mesterheide Loose-leaf filing mechanism for documents has angled material projections on long side of carrier rail to offer resistance to closing and opening mechanism
US20050100396A1 (en) * 2003-11-10 2005-05-12 Arpad Barabas Ring binder and ring binder mechanism
WO2005044585A1 (en) * 2003-11-10 2005-05-19 Springerbinder Inc. Ring binder and ring binder mechanism
US7275886B2 (en) 2004-03-15 2007-10-02 World Wide Stationary Mfg. Co., Ltd. Positive lock ring binder mechanism
US20050201817A1 (en) * 2004-03-15 2005-09-15 World Wide Stationery Manufacturing Company, Limited. Ring binder mechanism with dual pivot locking elements
US7748922B2 (en) 2004-03-15 2010-07-06 World Wide Stationery Manufacturing Company, Limited Ring binder mechanism with dual pivot locking elements
US7661898B2 (en) 2004-03-15 2010-02-16 World Wide Stationery Manufacturing Company, Limited Soft close ring binder mechanism with reinforced travel bar
US20050201818A1 (en) * 2004-03-15 2005-09-15 Cheng Hung Y. Soft close ring binder mechanism
US8573876B2 (en) 2004-03-15 2013-11-05 World Wide Stationery Manufacturing Company, Limited Soft close ring binder mechanism with mating ring tips
US20050201819A1 (en) * 2004-03-15 2005-09-15 Cheng Hung Y. Positive lock ring binder mechanism
US8002488B2 (en) 2004-03-15 2011-08-23 World Wide Stationery Mfg. Co., Ltd. Soft close ring binder mechanism
US20050201820A1 (en) * 2004-03-15 2005-09-15 Word Wide Stationery Manufacturing Company, Limited Soft close ring binder mechanism with reinforced travel bar
US7597498B2 (en) 2004-03-15 2009-10-06 World Wide Stationery Mfg. Co., Ltd. Positive lock ring binder mechanism
US20060088364A1 (en) * 2004-10-21 2006-04-27 Whaley Paul A Easy open ring binder
US7491006B2 (en) 2004-10-21 2009-02-17 U.S. Ring Binder, L.P. Easy open ring binder
US7530755B2 (en) 2004-10-21 2009-05-12 U.S. Ring Binder, L.P. Easy open ring binder
US7524128B2 (en) 2004-12-30 2009-04-28 World Wide Stationery Manufacturing Company Limited Ring binder mechanism spring biased to a locked position
US7762734B2 (en) 2004-12-30 2010-07-27 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US20060147254A1 (en) * 2004-12-30 2006-07-06 World Wide Stationery Mfg. Co., Ltd. Lever for a ring mechanism
US20080267691A1 (en) * 2004-12-30 2008-10-30 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US8043018B2 (en) 2004-12-30 2011-10-25 World Wide Stationery Manufacturing Co., Ltd. Ring binder mechanism
US7404685B2 (en) 2004-12-30 2008-07-29 World Wide Stationery Manufacturing Company, Limited Ring binder mechanism spring biased to a locked position when ring members close
US20100278583A1 (en) * 2004-12-30 2010-11-04 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US7534064B2 (en) 2005-01-12 2009-05-19 World Wide Stationery Mfg. Co., Ltd. Ring mechanism biased to closed and locked position
US7758271B2 (en) 2005-01-12 2010-07-20 World Wide Stationery Mfg. Co., Ltd. Ring mechanism biased to closed and locked position
US20090169287A1 (en) * 2005-01-12 2009-07-02 World Wide Stationery Mfg. Co., Ltd. Ring mechanism biased to closed and locked position
US20100054850A1 (en) * 2005-03-22 2010-03-04 World Wide Stationery Mfg. Co., Ltd. Lever for a ring binder mechanism
US20070160415A1 (en) * 2005-03-22 2007-07-12 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US8814458B2 (en) 2005-03-22 2014-08-26 World Wide Stationery Mfg. Co. Ltd. Lever for a ring binder mechanism
US7661899B2 (en) 2005-03-22 2010-02-16 World Wide Stationery Mfg. Co., Ltd. Lever for a ring binder mechanism
US9676222B2 (en) 2005-03-22 2017-06-13 World Wide Stationary Mfg. Co., Ltd. Ring binder mechanism
US7704005B2 (en) 2005-03-22 2010-04-27 World Wide Stationary Mfg. Co., Ltd. Ring mechanism having locking element operatively connected to lever
US7726897B2 (en) 2005-03-22 2010-06-01 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US7950867B2 (en) 2005-03-22 2011-05-31 World Wide Stationery Mfg. Co., Ltd. Lever for a ring binder mechanism
US10173458B2 (en) 2005-03-22 2019-01-08 World Wide Stationery Mfg. Co., Ltd. Lever for a ring binder mechanism
US20100166491A1 (en) * 2005-03-22 2010-07-01 World Wide Stationery Mfg. Co., Ltd. Lever for a ring binder mechanism
US9180721B2 (en) 2005-03-22 2015-11-10 World Wide Stationary Mfg. Co., Ltd. Lever for a ring binder mechanism
US7674062B2 (en) 2005-04-12 2010-03-09 Hans Johann Horn Ring binder mechanism
US20060228164A1 (en) * 2005-04-12 2006-10-12 Horn Hans J Ring binder mechanism
US7419324B2 (en) 2005-05-02 2008-09-02 U.S. Ring Binder, L.P. Binder metal with shield insert
US20060245821A1 (en) * 2005-05-02 2006-11-02 Whaley Paul A Binder metal with shield insert
US7828491B2 (en) 2005-05-06 2010-11-09 World Wide Stationery Mfg. Co., Ltd. Travel bar for use with a ring mechanism
US20060251468A1 (en) * 2005-05-06 2006-11-09 World Wide Stationery Mfg. Co., Ltd. Ring mechanism with spring biased travel bar
US20110020053A1 (en) * 2005-05-06 2011-01-27 World Wide Stationery Mfg. Co., Ltd. Ring mechanism having guide for travel bar
US7665926B2 (en) 2005-05-06 2010-02-23 World Wide Stationery Mfg. Co., Ltd. Ring mechanism with spring biased travel bar
US20060251467A1 (en) * 2005-05-06 2006-11-09 Cheng Hung Y Travel bar for use with a ring mechanism
US20070086836A1 (en) * 2005-09-19 2007-04-19 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism with operating lever and travel bar
US20100232867A1 (en) * 2006-09-27 2010-09-16 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
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US20090274508A1 (en) * 2006-09-27 2009-11-05 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US20080124166A1 (en) * 2006-09-27 2008-05-29 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US7731441B2 (en) 2006-09-27 2010-06-08 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US8047737B2 (en) 2006-09-27 2011-11-01 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US8052343B2 (en) 2006-09-27 2011-11-08 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US7648302B2 (en) 2006-09-27 2010-01-19 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US8801317B2 (en) 2006-09-27 2014-08-12 World Wide Stationary Mfg. Co., Ltd. Ring binder mechanism
US8186899B2 (en) 2006-09-27 2012-05-29 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US20080075527A1 (en) * 2006-09-27 2008-03-27 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US10532598B2 (en) 2006-09-27 2020-01-14 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US20080075526A1 (en) * 2006-09-27 2008-03-27 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US9044994B2 (en) 2006-09-27 2015-06-02 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US7600939B2 (en) 2006-09-28 2009-10-13 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism with sliding hinge plate
US20090110470A1 (en) * 2007-10-31 2009-04-30 World Wide Stationery, Mfg. Co., Ltd. Ring binder mechanism with polymeric housing and actuator
US20090110469A1 (en) * 2007-10-31 2009-04-30 Chun Yuen To Ring binder mechanism
US9688091B2 (en) 2007-10-31 2017-06-27 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US7819602B2 (en) 2007-10-31 2010-10-26 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US8147160B2 (en) 2007-10-31 2012-04-03 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism with polymeric housing and actuator
US20100284729A1 (en) * 2007-10-31 2010-11-11 World Wide Stationery Mfg. Co., Ltd. Ring Binder Mechanism
US8162556B2 (en) 2008-12-30 2012-04-24 World Wide Stationery Mfg. Co., Ltd. Actuator for a ring binder mechanism
US8480327B2 (en) 2009-01-16 2013-07-09 Hans Johann Horn Binder apparatus
US20110170942A1 (en) * 2010-01-14 2011-07-14 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism having dual time buffer actuator
US10369833B2 (en) 2010-01-14 2019-08-06 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US9033608B2 (en) 2010-01-14 2015-05-19 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism having dual time buffer actuator
US8899864B2 (en) 2010-06-09 2014-12-02 World Wide Stationery Mfg., Co., Ltd. Ring binder mechanism having unitary structure
US9067457B2 (en) 2010-06-09 2015-06-30 Cooper Technologies Company Ring binder mechanism having unitary structure
US8851783B2 (en) 2010-06-09 2014-10-07 World Wide Stationary Mfg. Co. Ltd. Ring binder mechanism having snap-in ring members
US8899865B2 (en) 2010-06-09 2014-12-02 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism having retaining system on ring members
US9656507B2 (en) 2010-06-09 2017-05-23 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism having snap-in ring members
US8899866B2 (en) 2012-04-28 2014-12-02 World Wide Stationary Mfg. Co. Ltd. Ring binder mechanism with self-locking actuator
US9469149B2 (en) 2012-04-28 2016-10-18 World Wide Stationery Mfg. Co., Ltd. Self-locking actuator for ring binder mechanism
US9522561B2 (en) 2013-08-27 2016-12-20 World Wide Stationery Mfg. Co., Ltd. Ring binder mechanism
US9511617B2 (en) 2013-10-31 2016-12-06 World Wide Stationary Mfg. Co., Ltd. Ring binder mechanism
US9914321B2 (en) 2014-02-19 2018-03-13 Chung Tin International, Inc. Ring binder mechanism
US20150231913A1 (en) * 2014-02-19 2015-08-20 Chung Tin International, Inc. Ring binder mechanism
US9102187B1 (en) * 2014-02-19 2015-08-11 Chung Tin International, Inc. Ring binder mechanism
US9333794B2 (en) 2014-02-19 2016-05-10 Chung Tin International, Inc. Ring binder mechanism
US9895922B2 (en) 2015-02-05 2018-02-20 World Wide Stationery Mfg. Co., Ltd. Ring binder with interlocking ring members

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