US5263580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Case for an optical disk
Assignee: Pioneer Corp
•
Filing: 1992-06-25
•
Granted: 1993-11-23
•
Expires: 2012-06-25
Abstract
Abstract A plurality of supporting members are provided on a base plate of a case body. A peripheral portion of an optical disk is mounted on the supporting members. A spring is provided in the case body. A peripheral edge of the disk is engaged with the spring so that the disk is urged to a pair of supporting members opposite the spring.
Inventors
- 👤 Yukiyoshi Ciba
- 👤 Tomoyoshi Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:16
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/04; G11B33/0405; G11B33/0411; G11B33/0422
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A case for an optical disk having a case body having a base plate, side plate and a front plate, and a cover, comprising: a plurality of supporting members provided on the base plate, wherein a peripheral portion of an optical disk in said case is mounted on the supporting members with a gap between the optical disk and the base plate; a spring provided in the case body for engaging a peripheral edge of the disk to urge the disk at least against supporting members opposite the spring, each of the plurality of supporting members having a support portion for supporting the disk and a bevel on which the disk is urged by the spring; and a pair of resilient lugs provided on the cover, each having a ball-shaped projection which is provided to be abutted on a peripheral portion of the optical disk to urge the disk to the supporting members when the cover is closed.
Claim 2
Dependent Claim
158 words
A case for an optical disk having a case body having a base plate, side plate and a front plate, and a cover, comprising: a plurality of supporting members provided on the base plate, wherein a peripheral portion of an optical disk in said case is mounted on the supporting members with a gap between the optical disk and the base plate; a spring provided in the case body for engaging a peripheral edge of the disk to urge the disk at least against supporting members opposite the spring, each of the plurality of supporting members having a support portion for supporting the disk and a bevel on which the disk is urged by the spring; and a pair of resilient lugs provided on the cover, each having a ball-shaped projection which is provided to be abutted on a peripheral portion of the optical disk to urge the disk to the supporting members when the cover is closed.
References Cited (Backward Citations)
US4433410A
Cited
JPH0199882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-11-22 | 1997-05-24 | 1997-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-22 | 2001-05-24 | 2001-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-22 | 2005-05-24 | 2005-11-23 | $7700.00 | Window Closed / Lapsed |