Stabilizer for record discs

Details Stabilizer for record discs Stabilizer for record discs

1982-05-26

1984-02-28

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 362, G11B 1702

Patent

active

044344848

ABSTRACT:
A record disc stabilizer is provided which is detachably placed on the turntable of a record player to hold a record disc placed thereon by attraction for securement. The stabilizer comprises a solid disc having a center opening and having an axial length which is less than the length of the centering spindle on the turntable, and an upper and a lower plate which cover the upside and the downside of the center opening formed in the disc to define an air tight air chamber therebetween. Annular elastic seals are mounted around the outer periphery, the inner periphery and on the upper surface of the disc to define an air space between the record disc, the upper surface of the disc and the elastic seals. The air space may communicate with the air chamber, to which a negative pressure may be applied to hold the record disc by attraction.

REFERENCES:
patent: 1062579 (1913-05-01), Aylsworth
patent: 4065135 (1977-12-01), Doughty
patent: 4367547 (1983-01-01), Thigpen

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