US2612169A - Slidably actuated loose-leaf binder - Google Patents
Slidably actuated loose-leaf binder Download PDFInfo
- Publication number
- US2612169A US2612169A US32809A US3280948A US2612169A US 2612169 A US2612169 A US 2612169A US 32809 A US32809 A US 32809A US 3280948 A US3280948 A US 3280948A US 2612169 A US2612169 A US 2612169A
- Authority
- US
- United States
- Prior art keywords
- leaves
- plate
- portions
- opening
- cam plate
- 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
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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
- 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
Definitions
- the subject matter of this inven ion is a n and vefiloient loose Ileaf binder of the type having complementary .half ringv sections car e by I .companionleaves which may be tiltably actuated for open n and closing he hall? rin sections when desired.
- the primary object of the invention is to effectively utilize a slidablyguided plate having cam means projecting into the complementary leaves to tiltably displace the latter to open or close the half in sections-
- Ano her object resides. in the provision of spaced cam shaped, loops on the slidably guided plate, .for cooperating with longitudinally spaced abutment means constituted by adjacent portions of the companion leaves for tiltably actuating adjacent inner por ions.
- the invention Qcomprehends as a ,furtherand specific object the employment, of serviceable primary and. suppleinentary locking means to preclude involuntary upward tiltin of the companion. leaves and consequently accidental opening of the half ring sec,- tions. More particularly the invention has as another object, the provision of spaced loops pro vided. with corresponding oifset limb portions defining.
- the invention is concerned with the provision of intervening retaining or keep portions integrally merged. with oilset cam portions of the spaced loops. Another important object is realized in; employing uninterru-pted corresponding limbs of the loops to cooperate with abutment means integral with the leavesior limiting the extent of opening of the plate.
- Fig. 1 is a side elevational view of the loose leaf binder.
- Fig. 2 is aplan view of Fig. 1 illustrating the complementary ring sections closed.
- Fig. 3 is a. view similar to Fig. 2 with the cover removed to illustrate the internal construction. and showing compl m n ar rin sectio partly broken. away to exhibit the several, keeper means interlocked with the. .swingable leav s to p even as:cidental open ng of the rin sections.
- Fig.33A is anenlarged' iragmentarylongi'tudinal sectional view on the"1ine.3A-.-.3A of 4 is a view along the lines of :3 but showing the cam plate in open position in which it is unlocked from the swingable half :ring supporting leaves.
- Fig. 5 is a perspective viewof thesliidablyiflfi tuatedcam plate.
- Fig. '7 is av sectional view on .the..,1ine 1-24.29! Fig. 4.
- Fig. 8 is a. sectional view taken on the line B.-.-8 0f- Fig. 9 is a fragmentary perspeetiveview oi. the loose leaf binder shown partly; broken away-and with the cam plate .in closingi'positionaand locked or retained by the primary and secondary keep,- mg-means.
- Fig. 10 is a fragmentary view similar toEig. 9 but with the cam plate partly-withdrawrr-with the primary and secondary keeper means thereof unlocked or removed fromxthe 'swingable. leaves.
- Fig. 11' is aplan view on a smaller scale of the complementary and juxtapositloned swingable leaves but with the. half. rings or ring sections removed, and.
- Fi '12 is a fragmentary enlar s. horizontal sectional-view of; Fig. '8' with theoover removed, taken. across upper part of; the casing for pur poses of clearly illustrating the manner of. Pro.-
- venting longitudinal displacement of the 111 5 s ction carryin means relative o the casi
- the cam plate e -1v; a i nated I0 is slidablvguid d lonsitudinallyo the arcnate casing 11.
- This longitudinal, slid ing movement is facilitated by a. manipulating portion M which extends upwardly Iromtheend of the cam plate projecting beyond theend of easing H.
- the cam plate is adapted by reason of spaced loop C to tiltably displace the jnxtae positioned and companion leaves H which have their outer margins pivotally retained within.
- The. casing is also provided with lower hollow and, transversed alined beads or ribs l6 constituting inwardly arranged channels or grooves in, which the cam plate is slidably guid d and so ld ther i y the inwardly overhanging transversely a'linedir tainins p 1- y th s ar an em nt t esa pla e is a s sl dably retaine n the des of the are iagse bottowal of the. as ng l!
- the companion leaves l4 are interrupted by the mating cut-away portions 20 to characterize elongated and longitudinally arranged slots 21. Further interrupting leaves 14 are the cutaway portions 22 to form the spaced openings 23. With this arrangement inwardly extending lugs 24 are formedin the companion leaves I4 which carry the companion and complementary half rings or sections H as is well understood.
- the spaced cams C are struck out of the body of the slidable plate l and each is preferably in a form of an upstanding loop as illustrated, having one leg -or limb thereof provided with spaced upper and lower but ofiset inclined or sloping portions 26 and 21 merged with an intermediate retaining part or primary keeper means 28.
- the other legs of the loops C are characterized by the inclined portions 29 which project upwardly through slots 2
- cam plate As the cam plate is further withdrawn or opened, the inclined portions or supplementary camming portions 26 of the loops'C abut and cam under ends 30 of the openings 23 of the tiltable leaves l4, thereby further raising or tilting the inner ends upwardly.
- the withdrawal of cam plate it causes the half ring sections to fully open as in Fig. '7, at which time the sloping limbs or inclined portions 29' of the loops hit the lugs 24, thus limiting outward displacement or opening of the cam plate it.
- the leaves I4 constitute primary and secondary disconnectable interlocking means to preclude accidental opening of the half ring sections H, the primary interlocking means being constituted by the intervening portions 28 and the lugs 24, while the secondary interlocking means is defined by the keeper K and contiguous portions 3
- the upper ribs l5 are 4 anchored to the casing to resist their longitudinal displacement.
- the upper ribs are interrupted by pairs of spaced kerfs 32 and 33 forming biased or downwardly and inwardly extending lugs 34 closely projecting into notches 35 in the sides of the leaves 14 to interlock therewith.
- Grooved studs 35' of the type well known in the art are utilized to cooperatively position and retain the tiltable leaves [4 in alinement as desired.
- a relatively thin sheet metal member 36 which is of a pleasing arcuate appearance and provided with depending arcuate margins adapted to snap over and frictionally grasp the upper beads I5 forms a top cover for the structure.
- portions of the tiltable leaves 14 at the ends of openings 23 may be said to be abutment means for receiving the thrust imparted by the inclined portions 26 on opening or closing of the cam plate.
- lugs 24 receive the thrust imparted by the inclined cam portions 26.
- lugs 24 are in effect abutment means and the same may be said of portions 36 at the ends of the openings 23 since they receive the impact of the cam portions 26 on the opening stroke of the cam plate.
- a loose leaf binder a casing, a plate slidably .mounted in said casing, a pair of complementary leaves pivotally mounted in said casing above said plate, complementary and separable ring sections-mounted on said leaves, an opening in said leaves, a loop projecting upwardly from said plate through said opening, said loop having one end inclined to cooperate with the edge of said leaves adjacent one end of said opening to tilt the inner edges of said leaves upwardly upon slidable movement of said plate in one direction, 2.
- a loose leaf binder In a loose leaf binder, a casing, a plate slidably mounted in said casing, a pair of complementary leaves pivotally mounted in said casing above said plate, complementary and separable ringsections mounted on said leaves,'an opening insaid leaves, a loop projecting upwardly from said plate through said opening, said loop having one end inclined to cooperate with the edge of said leaves'adjacent one end of said opening to tilt the inneredges of said leaves upwardly upon slidable movement of said plate in one direction, a lug extendin inwardly of said opening intermediate the ends of said loop, said lug engaging the opposite end of said loop to limit slidable movement of said plate in said one direction, said lug engaging said first mentioned end of said loop to tilt the inner edges of said leaves downwardly upohslidable movement of said platein the 0p- 5 6 poslte direction, an intermediate retaining por- REFERENCES CITED tion on Said 1009 cooperating with said mg to
- the following references
Description
Sept. 30, 1952 s, s
SLIDABLY ACTUATED LOOSE-LEAF BINDER 2 SHEETSSHEET 1 Filed June 14, 1948 Z IgVENTOR. BY
ATTORNEY Patented Sept. 30, 1952 $LIDAI'BLY ACTUATED LOOSE-LEAF BINDER Samue .Sesat. New K rk M 1-, assi n r town-- axo, 111-. a c rpora ion of.
son-Jones (30., Qhic Y Massachusetts Application June 14, 1948', Serial No. 32, 809
,2 Claims.
11 r The subject matter of this inven ion is a n and vefiloient loose Ileaf binder of the type having complementary .half ringv sections car e by I .companionleaves which may be tiltably actuated for open n and closing he hall? rin sections when desired. The primary object of the invention is to effectively utilize a slidablyguided plate having cam means projecting into the complementary leaves to tiltably displace the latter to open or close the half in sections- Ano her object resides. in the provision of spaced cam shaped, loops on the slidably guided plate, .for cooperating with longitudinally spaced abutment means constituted by adjacent portions of the companion leaves for tiltably actuating adjacent inner por ions. of the'latte upwardly o th opening. stroke of the, plate for separ ing theihalf ring 'etnions.v or for ilta lv shiftin contiguous inner portions of the leaves downwardly on the closin stroke of the plate for closing the half ring sections. The invention Qcomprehends as a ,furtherand specific object the employment, of serviceable primary and. suppleinentary locking means to preclude involuntary upward tiltin of the companion. leaves and consequently accidental opening of the half ring sec,- tions. More particularly the invention has as another object, the provision of spaced loops pro vided. with corresponding oifset limb portions defining. primary and supplementary mean for upwardly and tiltably shif i g he companion leaves on he openin stroke of the plate. ,As a further aspect, the invention ,is concerned with the provision of intervening retaining or keep portions integrally merged. with oilset cam portions of the spaced loops. Another important object is realized in; employing uninterru-pted corresponding limbs of the loops to cooperate with abutment means integral with the leavesior limiting the extent of opening of the plate. Other important objects and functional and structural advantages of the invention will appear from the following detailedspecification taken with the accompanying drawings wherein:
Fig. 1, is a side elevational view of the loose leaf binder.
Fig. 2 is aplan view of Fig. 1 illustrating the complementary ring sections closed. Fig. 3 is a. view similar to Fig. 2 with the cover removed to illustrate the internal construction. and showing compl m n ar rin sectio partly broken. away to exhibit the several, keeper means interlocked with the. .swingable leav s to p even as:cidental open ng of the rin sections.
Fig.33A is anenlarged' iragmentarylongi'tudinal sectional view on the"1ine.3A-.-.3A of 4 is a view along the lines of :3 but showing the cam plate in open position in which it is unlocked from the swingable half :ring supporting leaves.
Fig. 4A is an enlarged fragmentary sectional view on the line Mia-4A of Fig. .4.
Fig. 5 is a perspective viewof thesliidablyiflfi tuatedcam plate.
Fig. 6 is a transverse sectional view on the line 6--.6 of Fig. '3. I
Fig. '7 is av sectional view on .the..,1ine 1-24.29! Fig. 4.
Fig. 8 is a. sectional view taken on the line B.-.-8 0f- Fig. 9 is a fragmentary perspeetiveview oi. the loose leaf binder shown partly; broken away-and with the cam plate .in closingi'positionaand locked or retained by the primary and secondary keep,- mg-means.
Fig. 10 is a fragmentary view similar toEig. 9 but with the cam plate partly-withdrawrr-with the primary and secondary keeper means thereof unlocked or removed fromxthe 'swingable. leaves.
Fig. 11' is aplan view on a smaller scale of the complementary and juxtapositloned swingable leaves but with the. half. rings or ring sections removed, and.
Fi '12 is a fragmentary enlar s. horizontal sectional-view of; Fig. '8' with theoover removed, taken. across upper part of; the casing for pur poses of clearly illustrating the manner of. Pro.-
venting longitudinal displacement of the 111 5 s ction carryin means relative o the casi In the drawings, the cam plate e -1v; a i nated I0 is slidablvguid d lonsitudinallyo the arcnate casing 11. This longitudinal, slid ing movement is facilitated by a. manipulating portion M which extends upwardly Iromtheend of the cam plate projecting beyond theend of easing H. The cam plate is adapted by reason of spaced loop C to tiltably displace the jnxtae positioned and companion leaves H which have their outer margins pivotally retained within. the channels of the transversely alined andspa'ced ribs or beads l 5 at the upper parts of the spaced upstanding sides of the casing. The. casing is also provided with lower hollow and, transversed alined beads or ribs l6 constituting inwardly arranged channels or grooves in, which the cam plate is slidably guid d and so ld ther i y the inwardly overhanging transversely a'linedir tainins p 1- y th s ar an em nt t esa pla e is a s sl dably retaine n the des of the are iagse bottowal of the. as ng l! asili usf- Referring to Fig. 11, it will be observed that the companion leaves l4 are interrupted by the mating cut-away portions 20 to characterize elongated and longitudinally arranged slots 21. Further interrupting leaves 14 are the cutaway portions 22 to form the spaced openings 23. With this arrangement inwardly extending lugs 24 are formedin the companion leaves I4 which carry the companion and complementary half rings or sections H as is well understood.
More specifically the spaced cams C are struck out of the body of the slidable plate l and each is preferably in a form of an upstanding loop as illustrated, having one leg -or limb thereof provided with spaced upper and lower but ofiset inclined or sloping portions 26 and 21 merged with an intermediate retaining part or primary keeper means 28. The other legs of the loops C are characterized by the inclined portions 29 which project upwardly through slots 2| of the leaves l4.while the upper portions 26 are adapted to removably be received in the spaced openings If the cam plate [0 be slidably displaced from its closing position shown in Fig. 3, that is, moved to the right relative to the casing II, the intermediate primary cam shaped portions CP, in part defined by the lower limbs 21, ride under leaves l4, thus partly tilting the latter upwardly. This movement of the cam plate causes the primary retaining portions or keepers 28 to move free of the top faces of the lugs 24. The keepers 28 are driven into openings 23 and under the leaves 14 as shown in Fig. 4A. During this operation, the hooks or supplementary keeper or retaining means K extending from the cam plate also move free of the companion leaves Hi thereby also unlocking the cam plate from the leaves. 7
As the cam plate is further withdrawn or opened, the inclined portions or supplementary camming portions 26 of the loops'C abut and cam under ends 30 of the openings 23 of the tiltable leaves l4, thereby further raising or tilting the inner ends upwardly. The withdrawal of cam plate it causes the half ring sections to fully open as in Fig. '7, at which time the sloping limbs or inclined portions 29' of the loops hit the lugs 24, thus limiting outward displacement or opening of the cam plate it.
On the closing or retractive stroke of the cam plate Illjfor example,'-when slidably displaced to the left, limbs or sloping portions 26 meet the lugs 24, hence camming'or tilting leaves I l downwardly, and eventually intervening retaining keeping portions 28 ride over and frictionally bear against lugs 24 thereby holding the leaves against accidental opening. At the same time the keeper means or hooks K ride over corresponding and contiguous parts as 3! of the leaves to supplementthe locking relation of the cam plate against opening. It is apparent therefore that the cam plate lfl. in cooperation. with the leaves I4 constitute primary and secondary disconnectable interlocking means to preclude accidental opening of the half ring sections H, the primary interlocking means being constituted by the intervening portions 28 and the lugs 24, while the secondary interlocking means is defined by the keeper K and contiguous portions 3| of the companion leaves [4 adjacent corresponding ends of slots 2|.
the upper ribs l5, nevertheless these leaves are 4 anchored to the casing to resist their longitudinal displacement. In this connection it will be observed that the upper ribs are interrupted by pairs of spaced kerfs 32 and 33 forming biased or downwardly and inwardly extending lugs 34 closely projecting into notches 35 in the sides of the leaves 14 to interlock therewith.
Grooved studs 35' of the type well known in the art are utilized to cooperatively position and retain the tiltable leaves [4 in alinement as desired. 'A relatively thin sheet metal member 36 which is of a pleasing arcuate appearance and provided with depending arcuate margins adapted to snap over and frictionally grasp the upper beads I5 forms a top cover for the structure.
Briefly recapitulating, portions of the tiltable leaves 14 at the ends of openings 23 may be said to be abutment means for receiving the thrust imparted by the inclined portions 26 on opening or closing of the cam plate.
In other words, on the closing stroke of the slidably guided cam plate It, lugs 24 receive the thrust imparted by the inclined cam portions 26. Thus lugs 24 are in effect abutment means and the same may be said of portions 36 at the ends of the openings 23 since they receive the impact of the cam portions 26 on the opening stroke of the cam plate.
Various changes may be made in the details of construction and'arrangement of parts without departing from the spirit of the invention or sacrificing any of the advantages thereof inherent therein.
' I claim:
1. In a loose leaf binder, a casing, a plate slidably .mounted in said casing, a pair of complementary leaves pivotally mounted in said casing above said plate, complementary and separable ring sections-mounted on said leaves, an opening in said leaves, a loop projecting upwardly from said plate through said opening, said loop having one end inclined to cooperate with the edge of said leaves adjacent one end of said opening to tilt the inner edges of said leaves upwardly upon slidable movement of said plate in one direction, 2. lug extending inwardly of said opening intermediate the ends of said loop, said lug engaging the opposite end of said loop to limit slidable movement of said'plate in said one direction, said lug engaging said first mentioned end of said loop to tilt theinner edges of said leaves downwardly upon slidable movement of said plate in the opposite direction, and an intermediate retaining portion on said loop cooperating with said lug to prevent accidental sliding movement of said platerelative to said leaves. r 2. In a loose leaf binder, a casing, a plate slidably mounted in said casing, a pair of complementary leaves pivotally mounted in said casing above said plate, complementary and separable ringsections mounted on said leaves,'an opening insaid leaves, a loop projecting upwardly from said plate through said opening, said loop having one end inclined to cooperate with the edge of said leaves'adjacent one end of said opening to tilt the inneredges of said leaves upwardly upon slidable movement of said plate in one direction, a lug extendin inwardly of said opening intermediate the ends of said loop, said lug engaging the opposite end of said loop to limit slidable movement of said plate in said one direction, said lug engaging said first mentioned end of said loop to tilt the inner edges of said leaves downwardly upohslidable movement of said platein the 0p- 5 6 poslte direction, an intermediate retaining por- REFERENCES CITED tion on Said 1009 cooperating with said mg to The following references are of record in the vent accidental sliding movement of said plate me of this patent: relative to said leaves, and a plurality of supplementary keepers projecting upwardly from said 5 UNITED STATES PATENTS plate, said supplementary keeper engaging the Number Name Date inner edges of said leaves at a plurality of longi- 901,549 Nelson Oct. 20, 1908 v tudinally spaced points to help hold said leaves 1,183,083 Krumming May 16, 1916 against accidental pivotal displacement. 1,440,394 Krag Jan. 2, 1923 10 2,013,416 1 McClure Sept. 13, 1935 SAMUEL SEGAL. 2,439,675 Segal Apr. 13, 1943
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32809A US2612169A (en) | 1948-06-14 | 1948-06-14 | Slidably actuated loose-leaf binder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32809A US2612169A (en) | 1948-06-14 | 1948-06-14 | Slidably actuated loose-leaf binder |
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US2612169A true US2612169A (en) | 1952-09-30 |
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US32809A Expired - Lifetime US2612169A (en) | 1948-06-14 | 1948-06-14 | Slidably actuated loose-leaf binder |
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Cited By (47)
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US2888727A (en) * | 1951-12-29 | 1959-06-02 | Heimberger Helmut | Sliding clasp fasteners |
US3253603A (en) * | 1963-09-16 | 1966-05-31 | Gen Binding Corp | Binding element |
US4070073A (en) * | 1974-09-24 | 1978-01-24 | Robert Krause Kg | Filing device for papers |
US4571108A (en) * | 1982-11-26 | 1986-02-18 | Kurt Vogl | Locking ring binder mechanism with control slide |
US5788392A (en) * | 1996-01-24 | 1998-08-04 | Leco Stationery Manufacturing Company Limited | Ring binder |
US5788390A (en) * | 1996-01-24 | 1998-08-04 | Leco Stationery Manufacturing Company Limited | Ring binder |
US5788391A (en) * | 1996-01-24 | 1998-08-04 | Leco Stationary Manufacturing Company Limited | Ring binder |
US5807006A (en) * | 1996-01-24 | 1998-09-15 | Leco Stationery Manufacturing Company Limited | Ring binder |
US5810499A (en) * | 1996-01-24 | 1998-09-22 | Leco Stationery Manufacturing Company Limited | Ring binder |
US5836709A (en) * | 1996-01-24 | 1998-11-17 | Leco Stationery Manufacturing Company Limited | Ring binder |
US5868513A (en) * | 1996-01-24 | 1999-02-09 | Leco Statioinery Manufacturing Company Limited | Ring binder |
CN1070119C (en) * | 1996-01-24 | 2001-08-29 | 利高文具制造厂有限公司 | Circular binding clip |
US20030103798A1 (en) * | 2001-11-30 | 2003-06-05 | World Wide Stationery Manufacturing Company, Ltd. | Ring binder mechanism |
US20040234328A1 (en) * | 2003-05-22 | 2004-11-25 | Hong Kong Stationery Manufacturing Co., Ltd. | Safety ring binder having sliding actuators |
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 |
US20050201819A1 (en) * | 2004-03-15 | 2005-09-15 | Cheng Hung Y. | Positive lock ring binder mechanism |
US20050201818A1 (en) * | 2004-03-15 | 2005-09-15 | Cheng Hung Y. | Soft close ring binder mechanism |
US20060088364A1 (en) * | 2004-10-21 | 2006-04-27 | Whaley Paul A | Easy open ring binder |
US20060088365A1 (en) * | 2004-10-21 | 2006-04-27 | Whaley Paul A | Easy open ring binder |
EP1657078A1 (en) * | 2004-11-15 | 2006-05-17 | Kokki Kaneda | Loose-leaf binding tool |
US20060147253A1 (en) * | 2004-12-30 | 2006-07-06 | World Wide Stationery Mfg. Co., Ltd. | Ring binder mechanism spring biased to a locked position when ring members close |
US20060147254A1 (en) * | 2004-12-30 | 2006-07-06 | World Wide Stationery Mfg. Co., Ltd. | Lever for a ring mechanism |
US20060153629A1 (en) * | 2005-01-12 | 2006-07-13 | World Wide Stationery Manufacturing Company, Limited | Ring mechanism biased to closed and locked position |
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 |
US20080075526A1 (en) * | 2006-09-27 | 2008-03-27 | 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 |
US20080089736A1 (en) * | 2002-12-18 | 2008-04-17 | Cheng Hung Y | Ready lock ring binder mechanism |
US20080124166A1 (en) * | 2006-09-27 | 2008-05-29 | World Wide Stationery Mfg. Co., Ltd. | Ring Binder Mechanism |
US7524128B2 (en) | 2004-12-30 | 2009-04-28 | World Wide Stationery Manufacturing Company Limited | Ring binder mechanism spring biased to a locked position |
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 |
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 |
US20100166490A1 (en) * | 2008-12-30 | 2010-07-01 | World Wide Stationery, Mfg. Co., Ltd. | Actuator 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 |
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 |
USD735808S1 (en) | 2012-04-23 | 2015-08-04 | World Wide Stationery Mfg. Co., Ltd. | Elliptical cross sectional ring member for a ring 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 |
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US1183083A (en) * | 1915-10-18 | 1916-05-16 | Reinhold Krumming | Temporary binder or loose-sheet holder. |
US1440394A (en) * | 1920-06-01 | 1923-01-02 | Franz K Krag | Binder |
US2013416A (en) * | 1934-05-12 | 1935-09-03 | Mcmillan Book Co | Snap ring loose leaf binder |
US2439675A (en) * | 1944-08-21 | 1948-04-13 | Wilson Jones Co | Loose-leaf binder |
-
1948
- 1948-06-14 US US32809A patent/US2612169A/en not_active Expired - Lifetime
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US901549A (en) * | 1903-11-30 | 1908-10-20 | Sieber & Trussell Mfg Co | Loose-leaf binder. |
US1183083A (en) * | 1915-10-18 | 1916-05-16 | Reinhold Krumming | Temporary binder or loose-sheet holder. |
US1440394A (en) * | 1920-06-01 | 1923-01-02 | Franz K Krag | Binder |
US2013416A (en) * | 1934-05-12 | 1935-09-03 | Mcmillan Book Co | Snap ring loose leaf binder |
US2439675A (en) * | 1944-08-21 | 1948-04-13 | Wilson Jones Co | Loose-leaf binder |
Cited By (117)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888727A (en) * | 1951-12-29 | 1959-06-02 | Heimberger Helmut | Sliding clasp fasteners |
US3253603A (en) * | 1963-09-16 | 1966-05-31 | Gen Binding Corp | Binding element |
US4070073A (en) * | 1974-09-24 | 1978-01-24 | Robert Krause Kg | Filing device for papers |
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