Sheet retaining device and method of packaging sheet retaining d

Details Sheet retaining device and method of packaging sheet retaining d Sheet retaining device and method of packaging sheet retaining d

1998-06-17

2000-11-14

Wellington, A. L.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

402 31, 402 36, 402 38, 402 39, 402 41, 29 13, B42F 304

Patent

active

061460427

ABSTRACT:
A sheet retaining device includes an upper member having a pair of hinged leaves supported thereby, with a plurality of ring members secured to the hinged leaves for engaging corresponding holes in sheets of material retained by the sheet retaining device. A pair of laterally spaced-apart elongated first ribs are located on the upper member and protrude outwardly from the upper member. At least one pair of laterally spaced-apart elongated second ribs protrude outwardly from the upper member and are spaced laterally outwardly from the first ribs. During shipment, the sheet retaining devices are packages together with one of the sheet retaining devices located below another of the sheet retaining devices. In this package, the ring members of the one sheet retaining device engage one or more of the ribs of the other sheet retaining device. Engagement of the ring members with the ribs minimizes damage to the sheet retaining device during transit because the ring members are positively located against or cradled by the ribs of adjacent sheet retaining devices. The ribs therefore not only reinforce the sheet retaining devices against bending, but also provide a mechanism for packaging the sheet retaining devices to prevent damage to the sheet retaining devices.

REFERENCES:
patent: 5354142 (1994-10-01), Yu
patent: 5577852 (1996-11-01), To
patent: 5810500 (1998-09-01), Whaley
patent: 5836709 (1998-11-01), Cheung

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