Self-lifting apparatus for box cover

Details Self-lifting apparatus for box cover Self-lifting apparatus for box cover

2005-03-01

2005-03-01

Fidei, David T. (Department: 3728)

Special receptacle or package

For plural stationery implements

C206S751000, C220S829000, C220S830000, C016S295000

Reexamination Certificate

active

06860387

ABSTRACT:
An improved self-lifting apparatus for a box cover including a bent bar locator on the box cover with both ends bended to accommodate an elastic component. The elastic component is provided with extended arms on both ends, one end pressing the bent bar and the other end being inserted into a hole of the box, thereby simplifying the production procedure and allowing box cover to be lifted automatically. With the elastic component, the bent bar is usable as a file holder in the box and the box can be used for a longer period of time.

REFERENCES:
patent: 790578 (1905-05-01), Kirby
patent: 2442873 (1948-06-01), Graham
patent: 2557048 (1951-06-01), Haase
patent: 2682969 (1954-07-01), Sunko
patent: 3438152 (1969-04-01), Cadiou
patent: 4458379 (1984-07-01), Shelton
patent: 4524438 (1985-06-01), Einhaus
patent: 4590692 (1986-05-01), Leonardi
patent: 5041818 (1991-08-01), Liu
patent: 438877 (1967-06-01), None

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