Binder device releasably engaging aperture or notch of sheet – Pliant – deformable sheet retainer
Patent
1996-02-13
1997-05-06
Fridie, Jr., Willmon
Binder device releasably engaging aperture or notch of sheet
Pliant, deformable sheet retainer
402 13, 402 15, 402 63, 402 60, B42F 300
Patent
active
056264321
ABSTRACT:
An improved sheet binding device for fastening together a plurality of sheets having prepunched, spaced apart openings, comprises a plurality of locking members for each pre-punched hole, either with an individual restraining element or connected with a backing member extending between them, each comprising a connecting portion for insertion through the openings and a series of interlocking elements or teeth extending along the length of the locking member and a receiving member with an opening to receive the length of the locking member and a series of compatible interlocking elements or teeth, shaped to receive the interlocking elements of the locking member, so that when the locking element is in the (1) locked position, the interlocking elements or teeth are engaged and immovable relative to each other and when the locking element is in the (2) unlocked position, the interlocking elements or teeth are disengaged to allow removal of the receiving element and insertion of sheets of paper. The interlocking elements of the locking member may engage the interlocking elements of the receiving member at any position along the length of each, allowing the device to automatically bind any thickness of paper within a certain range without manually changing settings, and locking members of different lengths may be substituted to accommodate extreme thicknesses of paper sheets. This structure may be integrally cast from plastic material.
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Bullock William E.
La Croix Thomas R.
Swift Daniel P.
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