US4772973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading/ejecting mechanism in disk driving device having sliding plate below the turntable motor
Assignee: Alps Alpine Co Ltd
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Filing: 1987-01-06
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Granted: 1988-09-20
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Expires: 2007-01-06
Abstract
Abstract A disk driving device having a reduced thickness and formed in a compact construction, comprising a cartridge holder for holding a disk cartridge carrying a disk for recording information, a sliding plate for moving the cartridge holder toward and away from a turntable, a motor for rotatively driving the turntable, and a frame holding the motor and having a bottom plate along which the sliding plate slides for disk cartridge loading and ejecting operations. The motor supporting parts of the frame is raised slightly from the bottom plate of the frame toward the cartridge holder so that part of the sliding plate is allowed to extend in the clearance between the bottom plate and the motor supporting parts of the frame and the clearance between the bottom plate and part of the motor facing the bottom plate, for free sliding movement.
Inventors
- 👤 Masao Ohkita
- 👤 Shinichi Omori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:19
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/041; G11B17/043; G11B17/0434; G11B25/00; G11B25/04; G11B25/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
292 words
A loading/ejecting mechanism for a disk driving device comprising: a frame for said device having a bottom plate in one plane, side walls, and a motor mounting part formed by a portion of said bottom plate being raised upward so as to be spaced by a given spacing above the plane of said bottom plate; a motor mounted on said motor mounting part of said bottom plate of said frame; a turntable supported in said frame above said motor which is rotatively driven by said motor; a horizontal cartridge holder movably supported in said frame vertically above said turntable for receiving and holding a disk cartridge inserted horizontally therein along an insertion direction, said cartridge holder having a pair of sides in parallel with said insertion direction and side projections projecting therefrom; and a sliding plate movable in horizontal sliding movement on said bottom plate of said frame in parallel with said insertion direction, and having a pair of side plates extending vertically upwards and which are spaced apart in parallel with said insertion direction for accomodating said cartridge holder therebetween, said side plates having inclined cam grooves formed therein which are engaged with said side projections of said cartridge holder for guiding said cartridge holder vertically downward onto and upward from said turntable in conjunction with the sliding movement of said sliding plate, and a lower connecting plate connecting the two side plates of said sliding plate, wherein a portion of said lower connecting plate is slidable in the given spacing under said motor mounting part of said bottom plate in conjunction with the sliding movement of said sliding plate, whereby said disk driving device is formed with a compact construction of its part and allows a reduction in its thickness.
Claim 2
Dependent Claim
292 words
A loading/ejecting mechanism for a disk driving device comprising: a frame for said device having a bottom plate in one plane, side walls, and a motor mounting part formed by a portion of said bottom plate being raised upward so as to be spaced by a given spacing above the plane of said bottom plate; a motor mounted on said motor mounting part of said bottom plate of said frame; a turntable supported in said frame above said motor which is rotatively driven by said motor; a horizontal cartridge holder movably supported in said frame vertically above said turntable for receiving and holding a disk cartridge inserted horizontally therein along an insertion direction, said cartridge holder having a pair of sides in parallel with said insertion direction and side projections projecting therefrom; and a sliding plate movable in horizontal sliding movement on said bottom plate of said frame in parallel with said insertion direction, and having a pair of side plates extending vertically upwards and which are spaced apart in parallel with said insertion direction for accomodating said cartridge holder therebetween, said side plates having inclined cam grooves formed therein which are engaged with said side projections of said cartridge holder for guiding said cartridge holder vertically downward onto and upward from said turntable in conjunction with the sliding movement of said sliding plate, and a lower connecting plate connecting the two side plates of said sliding plate, wherein a portion of said lower connecting plate is slidable in the given spacing under said motor mounting part of said bottom plate in conjunction with the sliding movement of said sliding plate, whereby said disk driving device is formed with a compact construction of its part and allows a reduction in its thickness.
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) | 1991-09-20 | 1992-03-21 | 1992-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-20 | 1996-03-21 | 1996-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-20 | 2000-03-21 | 2000-09-20 | $7700.00 | Window Closed / Lapsed |