Patent US4647996A successfully refreshed from Google Patents.
US4647996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording and reproducing apparatus having sliding loading and unloading mechanism
Assignee: Alps Alpine Co Ltd
•
Filing: 1983-12-30
•
Granted: 1987-03-03
•
Expires: 2003-12-30
Abstract
Abstract A recording and reproducing apparatus comprises a cartridge holder accommodating therein a disk cartridge, a body housing therein the cartridge holder and having a side wall, and a cam slidable on the side wall for moving the cartridge holder from a loaded position back to a position prior to loading, the cam being disposed between the side wall and a side of the cartridge holder and having on a side thereof a plurality of projections held in contact with the side wall.
Inventors
- 👤 Motohiro Shimaoka
- 👤 Yukio Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:59
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/041; G11B17/043; G11B17/0434; G11B17/022; G11B17/028; G11B17/035
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
158 words
A recording and reproducing apparatus having a front opening for insertion of a disk cartridge to be loaded or unloaded to or from an operative position for recording and reproducing in the apparatus, comprising: a housing having a side wall extending longitudinally from the front opening of the apparatus; a cartridge holder in said housing for receiving a disk cartridge inserted therein, said cartridge holder being movable to or from the operative position; and a movable cam disposed between said side wall and said cartridge holder having a portion in engagement with said cartridge holder such that said cam is moved longitudinally as said cartridge holder is moved to the operative position; wherein said movable cam has a plurality of rounded projections unitary with said cam and extending in sliding contact against said side wall for ensuring lateral stability in the sliding movement of the cam with respect to said side wall when said cam is moved longitudinally.
Claim 2
Dependent Claim
158 words
A recording and reproducing apparatus having a front opening for insertion of a disk cartridge to be loaded or unloaded to or from an operative position for recording and reproducing in the apparatus, comprising: a housing having a side wall extending longitudinally from the front opening of the apparatus; a cartridge holder in said housing for receiving a disk cartridge inserted therein, said cartridge holder being movable to or from the operative position; and a movable cam disposed between said side wall and said cartridge holder having a portion in engagement with said cartridge holder such that said cam is moved longitudinally as said cartridge holder is moved to the operative position; wherein said movable cam has a plurality of rounded projections unitary with said cam and extending in sliding contact against said side wall for ensuring lateral stability in the sliding movement of the cam with respect to said side wall when said cam is moved longitudinally.
Claim 3
Dependent Claim
38 words
A recording and reproducing apparatus according to claim 1, wherein said side wall have hook-shaped holes, said cartridge holder having rollers disposed in said hook-shaped holes, respectively, and slidably movable therein in response to operation of said cam.
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) | 1990-03-02 | 1990-09-01 | 1991-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-03-02 | 1994-09-01 | 1995-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-03-02 | 1998-09-01 | 1999-03-03 | $7700.00 | Window Closed / Lapsed |