Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper
Patent
1994-01-28
1995-05-09
Payer, Hwei Siu
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with releasable keeper
402 80R, 281 45, B42F 1302, B42D 1700
Patent
active
054134307
ABSTRACT:
A clamping device and clamping file for releasably holding sheets of paper or the like is disclosed. The clamping file includes two file covers connected to one another along a folding edge. The clamping device is swivellably fastened to one of the file covers at a window cut-out in the clamping file adjacent the folding edge. The clamping device includes first and second legs connected by a back to form a U-shaped elastic clamp for paper sheets. To facilitate insertion of paper sheets, a longitudinal end area of the clamping device is configured with one of the legs spaced from the other leg to form a paper inserting mouth which is maximally wide at a longitudinal end of one of the legs.
REFERENCES:
patent: 632491 (1899-09-01), Hiscock
patent: 1557550 (1925-10-01), Benson
patent: 2605526 (1952-08-01), Bader
patent: 4402530 (1983-09-01), Daguerre
patent: 4904104 (1990-02-01), Gloeckle
patent: 5226676 (1993-07-01), Su
patent: 5285952 (1994-02-01), Ho
Benn Alexander
Kratzert Herbert
Schrem Kurt
Kratzert & Schrem GmbH
Payer Hwei Siu
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