CD protector ring

Details CD protector ring CD protector ring

1996-12-20

1998-12-15

Ackun, Jacob K.

Special receptacle or package

For holding a machine readable recording medium

For holding an optical disc

206509, B65D 8557

Patent

active

058486879

ABSTRACT:
A flexible protector ring is provided that can be "snapped" onto the outer periphery of a disc-like recording medium, wherein the outer periphery of the recording medium fits into an annular slot on the inner surface of the protector ring, and the dimension of the protector ring in the direction normal to the plane of that medium/protector ring combination is sufficient to raise the exposed inward and downward surface of the medium far enough above a flat surface onto which the combination is placed to avoid contact with dust and dirt on the table top. The "upper" surface of the protector ring is provided with an annular slot or groove, and the "lower" surface of the protector ring is provided with an annular tip sized to fit within that annular slot or groove of a second protector ring, whereby two or more such medium/protector ring combinations can be stacked one upon the other such that lateral movement of one relative to the other will be precluded.

REFERENCES:
patent: 4144968 (1979-03-01), Shelton
patent: 4316281 (1982-02-01), Prusak
patent: 4589104 (1986-05-01), Brockley
patent: 4736840 (1988-04-01), Deiglmeier
patent: 4930636 (1990-06-01), Meadows
patent: 5299186 (1994-03-01), Tsurushima

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