US5719725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk playback device
Assignee: Sanyo Electric Co Ltd
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Filing: 1996-12-02
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Granted: 1998-02-17
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Expires: 2016-12-02
Abstract
Abstract A chassis has rotatably mounted thereon a magazine in the form of a hollow cylinder for accommodating a plurality of disks as positioned upright. A playback portion and an insertion-discharge portion are arranged respectively inside and outside the magazine radially thereof. Roller units for holding and transporting the disk are provided respectively between the Insertion-discharge portion and the magazine and between the magazine and the playback portion. The two roller units are coupled by a gear train and rotatable in directions opposite to each other.
Inventors
- 👤 Koichi Nakao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/22; G11B17/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
196 words
A disk playback device comprising a magazine rotatably mounted on a chassis for accommodating a plurality of disks as positioned upright in a radial arrangement, a magazine lock mechanism for restraining the magazine from rotating or releasing the magazine by a changeover, a playback portion disposed inside the magazine for chucking the desired disk withdrawn from the magazine, a rotary shutter disposed outside the magazine and openably provided on a path of movement of the disk, a disk kickout mechanism disposed between the rotary shutter or and the playback portion for kicking out the disk from the interior of the magazine toward the rotary shutter or the playback portion, and a shutter opening-closing mechanism for operating the rotary shutter, the disk playback device being characterized in that a chuck slide is provided for controlling the chucking movement of the playback portion, the chuck slide and the disk kickout mechanism being drivable by a first cam gear on the chassis, the shutter opening-closing mechanism and the magazine lock mechanism being coupled to and drivable by a second cam gear coupled to the first cam gear, the two cam gears being rotatingly drivable by a single common motor.
Claim 2
Dependent Claim
196 words
A disk playback device comprising a magazine rotatably mounted on a chassis for accommodating a plurality of disks as positioned upright in a radial arrangement, a magazine lock mechanism for restraining the magazine from rotating or releasing the magazine by a changeover, a playback portion disposed inside the magazine for chucking the desired disk withdrawn from the magazine, a rotary shutter disposed outside the magazine and openably provided on a path of movement of the disk, a disk kickout mechanism disposed between the rotary shutter or and the playback portion for kicking out the disk from the interior of the magazine toward the rotary shutter or the playback portion, and a shutter opening-closing mechanism for operating the rotary shutter, the disk playback device being characterized in that a chuck slide is provided for controlling the chucking movement of the playback portion, the chuck slide and the disk kickout mechanism being drivable by a first cam gear on the chassis, the shutter opening-closing mechanism and the magazine lock mechanism being coupled to and drivable by a second cam gear coupled to the first cam gear, the two cam gears being rotatingly drivable by a single common motor.
Claim 3
Dependent Claim
165 words
A disk playback device comprising a magazine in the form of a double cylinder and rotatably mounted on a chassis for accommodating a plurality of disks as positioned upright in a radial arrangement, a playback portion disposed inside the magazine for chucking the desired disk withdrawn from the magazine, a rotary shutter disposed outside the magazine and openably provided on a path of movement of the disk, a disk kickout mechanism disposed between the rotary shutter and the playback portion for kicking out the disk from the interior of the magazine toward the rotary shutter or the playback portion, and roller units provided respectively between the rotary shutter and the magazine and between the magazine and the playback portion for holding and transporting the disk as kicked out from the interior of the magazine by the disk kickout mechanism, the disk playback device being characterized in that the two roller units are coupled by a gear train and rotatable in directions opposite to each other.
Claim 4
Dependent Claim
165 words
A disk playback device comprising a magazine in the form of a double cylinder and rotatably mounted on a chassis for accommodating a plurality of disks as positioned upright in a radial arrangement, a playback portion disposed inside the magazine for chucking the desired disk withdrawn from the magazine, a rotary shutter disposed outside the magazine and openably provided on a path of movement of the disk, a disk kickout mechanism disposed between the rotary shutter and the playback portion for kicking out the disk from the interior of the magazine toward the rotary shutter or the playback portion, and roller units provided respectively between the rotary shutter and the magazine and between the magazine and the playback portion for holding and transporting the disk as kicked out from the interior of the magazine by the disk kickout mechanism, the disk playback device being characterized in that the two roller units are coupled by a gear train and rotatable in directions opposite to each other.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-02-16 | 2001-08-18 | 2002-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-02-16 | 2005-08-18 | 2006-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-02-16 | 2009-08-18 | 2010-02-17 | $7700.00 | Window Closed / Lapsed |