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1. WO1989004769 - SYSTEME DE RELIURE DE FEUILLES DE PAPIER

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[ EN ]

CLAIMS

We Claim:

1. An apertured paper sheets binding connector comprising:
a binding member including a pair of elongated
parallel posts integrally extending from a common head, each of said posts including inwardly facing ratcheted surfaces and oppositely-disposed flat outwardly-facing surfaces parallel to said ratcheted surfaces;
a locking collar having a pair of matching
through-apertures, an integral medial cross-bar
extending between and separating said apertures, and at least one pawl hingedly mounted to said cross-bar, said apertures including oppositely disposed peripheral flat sections, corresponding to and allowing sliding passage of said posts outwardly-facing flat surfaces therepast;
wherein said posts are insertable into at least one paper sheets aperture from one side of a stack of paper sheets and through said locking collar, said
locking collar including a head juxtaposed to a paper sheets aperture on an opposite side of said stack of paper sheets; and
wherein said at least one pawl ratchets along said at least one of said ratcheted surfaces until said posts flat head and said locking collar head clamp said paper sheets together; excess length of said posts being
frangibly breakable across a cross section of said posts from a root of said ratchet surfaces across said posts to said posts flat surfaces generally in a plane of an exterior surface of said locking collar head.

2. The binding connector of Claim 1 wherein said locking collar includes an integral circular rim having a diameter greater than a maximum width diameter of said posts extending from an interior surface of said locking collar, said rim being extendable towards a paper sheets aperture.

3. The binding connector of Claim 1 further including a punch tool insertable into said locking collar along opposite sides of said cross-bar and against said pawls for shearing off said pawls to allow separation of a locked locking collar from said binding member.

4. The binding connector of Claim 1 in which said locking collar head has an outer D-shaped configuration, the straight edge of said D-shaped head being alignable with an edge of a paper sheets stack margin adjacent said at least one paper sheets aperture, and wherein the curved edge of said D-shaped head generally surrounds said at least one paper sheets aperture; and
wherein said matching through-apertures of said locking collar are asymmetrically positioned along a bisector of said D-shaped head perpendicular to said straight edge of said D-shaped head.

5. The binding connector of Claim 4 wherein said D-shaped head includes a semi-circular portion surrounding one-half of said at least one paper sheets aperture and a generally rectangular portion extending from said semicircular portion to said straight edge of said D-shaped head.

6. The binding connector of Claim 1 including a pair of multi-apertured binding strips positionable along opposed margins of said stack of paper sheets adjacent said at least one paper sheets aperture; and where each aperture of each of said strips includes a counterbore therein, a locking collar and binding member head being insertable oppositely into each of said counterbores in opposed ones of said pairs of strips; and
wherein each of said counterbores is of a
D-configuration and each of said locking collar heads and said binding member heads are of a D-configuration.

7. The binding connector of Claim 6 further including a pair of apertured covers positioned between said stack of paper sheets and an inwardly-facing surface of said strips.

8. The binding connector of Claim 7 wherein said covers are foldable 180* to overlie said strips and said binding member heads and locking collar heads after said posts have been frangibly broken.

9. The binding connector of Claim 6 wherein each said D-shaped counterbore includes a circular aperture
asymmetrically positioned along a bisector of said D-shaped counterbore perpendicular to a straight edge of said
D-shaped counterbore.

10. The binding connector of Claim 1 in which said binding member common head has an outer D-shaped
configuration, the straight edge of said D-shaped common head being alignable with an edge of a paper sheets stack margin adjacent said paper sheets aperture, and the curved edge of said D-shaped common head generally surrounding said paper sheets aperture; and
wherein said posts are asymmetrically positioned along a bisector of said D-shaped common head
perpendicular to said straight edge of said D-shaped common head.

11. An apertured paper sheets binding connector comprising: a binding member including a pair of elongated parallel spaced posts integrally extending from a
common head, said posts having at least one ratcheted surface thereon, and an integral rim extending
longitudinally from said common head adjacent root
portions of said posts, said rim including a peripheral ridge adjacent an extremity of said rim;
a locking collar having a pair of matching
through-apertures, an integral medial cross-bar
extending between and separating said apertures, and at least one pawl hingedly mounted to said cross-bar, said through-apertures allowing sliding passage of said
posts therepast and said at least one pawl to ratchet along said at least one ratcheted surface of said
posts; and
a pair of multi-apertured binding strips positionable along opposed margins of a stack of paper sheets adjacent at least two paper sheets apertures; and where each aperture of each of said strips includes a
counterbore therein, a locking collar head and binding member head being insertable oppositely into each of said counterbores in opposed ones of said pairs of
strips to clamp said stack of paper sheets together, and where said peripheral ridge of said binding member has a diameter greater than a strip aperture such that said binding member is click locked into said strip
aperture upon insertion of said common head with said counterbore.

12. The binding connector of Claim 11 wherein each of said strip apertures includes a peripheral exit portion on a strip side opposite said counterbore and wherein said peripheral ridge of said binding member click locks against said exit portion.

13. The binding connector of Claim 12 wherein said peripheral ridge is beveled, including a first bevel having a first outer diameter less than the diameter of said strip apertures and a second diameter greater than the diameter of said strip aperture, said second diameter corresponding to an outer diameter of said exit portion.

14. The binding connector of Claim 11 in which said integral rim is bifurcated and includes an open groove parallel to said posts ratcheted surfaces extending across said rim to accommodate said at least one pawl when said at least one pawl is excised from said cross-bar to debind said stack of sheets.

15. The binding connector of Claim 14 in which said groove extends inwardly substantially to a plane in which said rim and posts are integrally attached to said common head.

16. An apertured paper sheets binding connector comprising:
a binding member including a pair of elongated
parallel posts integrally extending asymmetrically from a common head, said posts including inwardly facing
ratcheted surfaces;
a locking collar having a pair of matching
through-apertures, an integral medial cross-bar
extending between and separating said apertures, and at least one pawl hingedly mounted to said cross-bar, said apertures including oppositely disposed sections,
corresponding to and allowing sliding passage of said posts therepast;
wherein said posts are insertable into at least one paper sheets aperture from one side of a stack of paper sheets and through said locking collar, said locking collar including an asymmetrical head
juxtaposed to a paper sheets aperture on an opposite side of said stack of paper sheets;
wherein said at least one pawl ratchets along said at least one of said ratcheted surfaces until said
posts flat head and said locking collar head clamp said paper sheets together; excess length of said posts
being frangibly breakable across a cross section of
said posts from a root of said ratchet surfaces across said posts generally in a plane of an exterior surface of said locking collar head; and
wherein said locking collar includes an integral circular rim extending from an interior surface of said locking collar, said rim being extendable towards a
paper sheets aperture.

17. The binding connector of Claim 16 further
including a punch tool insertable into said locking collar along opposite sides of said cross-bar and against said pawls for shearing off said pawls to allow separation of a locked locking collar from said binding member.

18. The binding connector of Claim 16 in which said common head and locking collar head have an outer D-shaped configuration, the straight edge of each of said D-shaped heads being alignable with an edge of a paper sheets stack margin adjacent said at least one paper sheets aperture, and wherein the curved edge of said D-shaped head generally surrounds said at least one paper sheets aperture; and
wherein said posts and said matching through- apertures of said locking collar are asymmetrically
positioned along a bisector of each of said D-shaped heads perpendicular to said straight edge of each of said D-shaped heads.

19. The binding connector of Claim 16 wherein said posts common head includes an integral circular rim
extending from an under surface of said common head, said rim being dimensioned to be in an interference or snap-in fit into said strip apertures.

20. The binding connector of Claim 16 wherein said posts and said matching through-apertures have oppositely disposed flat outward surfaces for facilitating the
frangible breaking of said posts.

21. A tool for binding and/or unbinding a binding fastener for a stack of paper sheets wherein said binding fastener comprises a locking collar including at least one hinged inverted U-shaped pawl, and at least one headed ratcheted post ratchetable into interlocking relationship with said at least one locking collar pawl, said tool comprising a body having a first end insertable into shearing contact with a portion of said at least one
U-shaped pawl and a second end to ratchetly seat said locking collar on said post in interlocking relationship and to firmly fasten said stack of paper sheets.

22. The tool of Claim 21 in which said tool first end comprises a slotted end having a pair of blades for
simultaneously shearing a pair of hinged U-shaped pawls extending from said locking collar to break the interlocking relationship of said pawls with a pair of ratcheted posts.

23. The tool of Claim 21 wherein said tool comprises an essentially flat disc having a through-aperture to accommodate connector posts, a finger-engageable surface and a locking collar-engageable surface for ratcheting and clamping said locking collar and said at least one ratcheted post together to hold said paper sheets stack; and wherein said body first end includes a debinding bit extending from a surface of said disc to shear an engaged pawl from said collar and allow separation of said at least one post from said collar.

24. The apparatus of Claim 23 in which said flat disc has an edge thickness greater than the spacing between a pair of said posts, and wherein, after clamped assembly of said paper sheets stack by said posts and locking collar, excess length of posts extending outward of said paper sheets stack from said locking collar is broken off by insertion of said disk edge between said posts.

25. The apparatus of Claim 24 wherein said disc edge is beveled such that one of said posts is broken off adjacent to its root.