Optical disc assembly retaining rings

Details Optical disc assembly retaining rings Optical disc assembly retaining rings

1982-11-03

1985-10-08

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Flexible

160392, 3461351, 346137, 369284, 369286, G01D 1532

Patent

active

045464650

ABSTRACT:
An optical disc assembly includes a flexible disc-shaped support carrying a record layer. The support has an information storage region. A pair of annular retaining ring members engage opposite sides of an annular peripheral region of the support as the ring members close together to clamp the support therebetween. The peripheral region of the support is wrapped about an annular reference surface of one ring member and is pushed into an annular recess in that ring member. Cooperative surfaces on the ring members provide a locking interfit therebetween with the peripheral region of the support interleaved between the ring members.

REFERENCES:
patent: 3273633 (1966-09-01), Seidmon et al.
patent: 4195312 (1980-03-01), Bell et al.
patent: 4267876 (1981-05-01), Bloomfield
patent: 4365258 (1982-12-01), Geyer et al.
patent: 4380016 (1983-04-01), Lehureau et al.
patent: 4408213 (1983-10-01), Bell
patent: 4453246 (1984-06-01), Covington

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