Binder device releasably engaging aperture or notch of sheet – Combined
Patent
1989-03-03
1990-03-20
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Combined
402 9, B42F 300, B42F 900, B42F 1302
Patent
active
049096516
ABSTRACT:
This invention relates to a portable file for form feeds paper, which is comprised of an upper and a lower cover board, each having an integrally made channel bar for setting therein of flexible cords at both ends to let the flexible cords insert through the perforations of form feeds paper document. By means of retainer means to slide in the channel bars, the flexible cords may be pulled out for insertion into the perforations of form feeds paper or may be retained by the retainer means in the channel bars respectively. A hanger is provided and attached to the lower cover board by means of rivets, such that the file may be hanging on a storage stand with form feeds paper document carried by the file.
REFERENCES:
patent: 2641261 (1953-06-01), Vthrriague
patent: 4487520 (1984-12-01), Maier-Hunke et al.
patent: 4685821 (1987-08-01), Marsh
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