Holder for magnetic disks

Special receptacle or package – For body treatment article or material – Bandage – drape or dressing

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Details

206445, 211 594, 292251, 360133, 411418, B65D 8502

Patent

active

045025983

ABSTRACT:
A holder for removably receiving a plurality of magnetic memory disks and for holding the disks in a vertical stack. The holder includes a base having a center post secured thereto and extending upwardly therefrom. The post is adapted to receive the magnetic disks thereon with the disks being arranged on the posts in generally parallel, horizontal planes and separated from each other by ring-like spacers. A nut is removably mounted on the post for locking the disks in place. The nut has a number of spaced projections on its inner periphery for engagement with spaced, circumferentially extending screw thread segments on the outer surface of the post. The segments are spaced from each other to present recesses for receiving the projections on the nut when the nut is first placed on and moved axially along the post until the nut rests on the uppermost spacer. By rotating the nut through a finite angle, such as 30.degree. to 95.degree., the projections on the nut are threaded onto the screw thread segments on the post and the nut becomes locked on the post to thereby lock the disks against movement relative to the post. A cover is placed over the disks on the post and secured to the post by a screw carried by the cover. The outer peripheries of the base and cover have projections which engage each other when the cover is secured on the post. One of these projections is flexible so that it yields outwardly when it engages the other projection yet the projections remain in contact with each other to provide an annular seal for the holder when the cover is in place.

REFERENCES:
patent: 1365659 (1921-01-01), Carter
patent: 3315840 (1967-04-01), Tollkuhn
patent: 3378183 (1968-04-01), Ferrer
patent: 3465875 (1969-09-01), McKelvey, Jr.
patent: 3509992 (1970-05-01), David et al.
patent: 3543922 (1970-12-01), Charlton
patent: 3709397 (1973-01-01), Daenen
patent: 3736777 (1973-06-01), Wirth
patent: 4195733 (1980-04-01), Abel

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