B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
129/7
B42F 13/08 (2006.01) B42F 13/02 (2006.01) B42F 13/14 (2006.01)
Patent
CA 1109352
PAPER CLIP AND BINDER DEVICE ABSTRACT An improved sheet binding device for fastening together a plurality of sheets having pre-punched, spaced-apart openings, comprises an elongated backing member extending between such spaced-apart openings; and, attached to the backing member at spaced-apart positions corresponding to the spacing between such openings, a plurality of fastening elements, each comprising a connecting portion for insertion into such openings, and at the end of said connecting portion remote from said backing member, locking means movable between (1) a collapsed position in which the fastening element is insertable into such opening, and (2) an expanded position in which the locking means is effective to pre- clude removal of such sheets from said fastening element. This structure can be integrally molded from plastic material. In a preferred embodiment, the structure is substantially self-locking. Single-hole embodiments suitable as replacements for conventional brass head fasteners are also disclosed.
320896
Garfield Nathaniel H.
Mcsherry Thomas W.
Mechanical Plastics Corp
Osler Hoskin & Harcourt Llp
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