Holder for paper-keeping bags

Details Holder for paper-keeping bags Holder for paper-keeping bags

1988-07-25

1990-07-10

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet

402 52, B42F 1314

Patent

active

049403532

ABSTRACT:
A holder for paper-keeping bags is disclosed, which comprises an elastic sleeve with U-shaped transverse section open at along one longitudinal side, a sliding bind base inserted into the elastic sleeve slidably in the longitudinal direction, a board bonded at one side edge adhesive portion of the sliding bind base and a plurality of paper-keeping envelopes held in layers at one side edge holder portion of the board. The sliding bind base is provided at a predetermined distance apart from each other along its longitudinal direction with L-shaped guide grooves and binding apertures connected thereto for inserting binding rods sideward, while the elastic sleeve is provided with engagement grooves for opening or closing the binding apertures in transverse portions of the L-shaped guide grooves, the transverse portions and engagement grooves being so constructed that the last ones thereof positioned in the sliding direction for closing the binding aperture of the sliding bind base are slant grooves open to the sliding direction.

REFERENCES:
patent: 1364973 (1921-01-01), Averill
patent: 4551039 (1985-11-01), Basseches
patent: 4820075 (1989-04-01), Osono

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