Optical disk assembly retaining rings

Details Optical disk assembly retaining rings Optical disk assembly retaining rings

1983-01-17

1985-06-25

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Layered

3461351, 369287, G01D 1532

Patent

active

045258295

ABSTRACT:
An optical disk assembly includes a web assembly having a flexible disk-shaped support web carrying a record layer. The support web has an information storage region. A pair of annular retaining ring members engage opposite sides of an annular peripheral region of the web assembly 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 with undercut area in that ring member. The other ring member is formed from a malleable ring, such as an annular tube, which is deformed into the recess undercut to provide a locking interfit therebetween. The peripheral region of the web assembly is interleaved between the ring members.

REFERENCES:
patent: 2312721 (1943-03-01), Lang
patent: 3273633 (1966-09-01), Seidmon et al.
patent: 3720256 (1973-03-01), Fralick et al.
patent: 3991806 (1976-11-01), Abell
patent: 4057095 (1977-11-01), Hirota
patent: 4267876 (1981-05-01), Bloomfield
patent: 4365258 (1982-12-01), Geyer et al.

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