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US4724497A Expired / Lapsed US ⏱️ 0.0 years remaining

Eject button unit for a disk recording and reproducing device

Assignee: Alps Alpine Co Ltd
•
Filing: 1985-05-24
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Granted: 1988-02-09
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Expires: 2005-05-24
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Abstract

Abstract A disk recording and reproducing device includes a chassis, a front panel mounted on a front side of the chassis, a disk holder movably mounted on the chassis for holding an information storage disk, and an eject button unit for operating the disk holder to allow the information storage disk to be ejected therefrom, the eject button unit being lockingly mounted on the chassis and having a portion projecting through the front panel. The eject button unit is mounted in place on the chassis before the front panel is attached thereto.

Inventors

  • 👤 Kuninobu Takeda
  • 👤 Osamu Shigenai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:27
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/041; G11B17/043; G11B17/0434; G11B19/00; G11B19/02; G11B19/16

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 159 words
A disk recording and reproducing device comprising: (a) a chassis; (b) a front panel mounted on a front side of said chassis and having a hole therein for allowing an eject button to project therethrough; (c) a disk holder movably mounted on said chassis for holding an information storage disk, said disk holder being movable between an eject position and in loaded position; (d) an eject means including a slide mounted on said chassis and having a portion connected to said disk holder for releasing said disk holder from the loaded position to the eject position; and (e) an eject button unit mounted on said chassis having means for lockingly mounting an eject button on a front end of said slide independently of said front panel such that said button can be assembled to said slide on said chassis and then said front panel can be assembled thereto with said button projected through said hole in said front panel.
Claim 2
Dependent Claim 159 words
A disk recording and reproducing device comprising: (a) a chassis; (b) a front panel mounted on a front side of said chassis and having a hole therein for allowing an eject button to project therethrough; (c) a disk holder movably mounted on said chassis for holding an information storage disk, said disk holder being movable between an eject position and in loaded position; (d) an eject means including a slide mounted on said chassis and having a portion connected to said disk holder for releasing said disk holder from the loaded position to the eject position; and (e) an eject button unit mounted on said chassis having means for lockingly mounting an eject button on a front end of said slide independently of said front panel such that said button can be assembled to said slide on said chassis and then said front panel can be assembled thereto with said button projected through said hole in said front panel.
Claim 3
Dependent Claim 65 words
A disk recording and reproducing device according to claim 1, wherein said eject button unit comprises a button holder mounted on said chassis, a slide coupled to said eject botton and slidably extending through said button holder, said slide having a portion for operating said disk holder, and a spring for normally urging said eject button in a direction to project from said front panel.
Claim 4
Dependent Claim 68 words
A magnetic recording and reproducing device according to claim 2, wherein said eject button has a rearwardly opening cavity, said slide having a front end force-fitted in said cavity in said eject button and at least one flange on a rear end thereof, said button holder having a guide hole,through which said button holder is slidably disposed, said flange of said slide being engageable with said button holder.
Claim 5
Dependent Claim 40 words
A magnetic recording and reproducing device according to claim 3, wherein said eject button has at least one locking hole defined therein in communication with said cavity, said slide having at least one locking tooth engaging in said locking hole.
Claim 6
Dependent Claim 28 words
A magnetic recording and reproducing device according to claim 3, wherein said slide has a plurality of ridges engaging inner surfaces defining said cavity in the eject button.

References Cited (Backward Citations)

US4573093A Cited
US4562498A Cited
JPS6063761A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-02-08 1991-08-10 1992-02-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-02-08 1995-08-10 1996-02-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-02-08 1999-08-10 2000-02-09 $7700.00 Window Closed / Lapsed

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