← Back to Patent Explorer
US5198933A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording medium emergency release mechanism

Assignee: International Business Machines Corp
•
Filing: 1991-03-07
•
Granted: 1993-03-30
•
Expires: 2011-03-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The invention is an information reproduction apparatus provided with supporting means for supporting a recording medium, a drive source for moving the recording medium between the initial insertion position and the reproduction position by driving said supporting means, transmission means for transmitting the driving force of said drive source to said supporting means, retraction means operable to force a transmission element to retract from said transmission means, said transmission element being a part of said transmission means, and motion means operable to force the recording medium to move from the reproduction position to the initial insertion position under the condition that said transmission element is not engaged in said transmission means. In forcibly moving said supporting means, when the drive is out of operation, said supporting means are released from the drive force by means of said retraction means, freeing the supporting means from the resistance force of the drive force.

Inventors

  • 👤 Hiroshi Matsushita
  • 👤 Koichiro Nanke
  • 👤 Kouji Takahashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:31
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/041; G11B17/043; G11B17/0438

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 110 words
An information reproduction apparatus comprising: supporting means for supporting a recording medium, drive means for driving said supporting means to move the recording medium between an initial insertion position and a reproduction position, a gear train for transmitting the driving force of said drive means to said supporting means, said gear train including a gear which is retractable therefrom, manually activated retraction means operable to force the gear to retract from said gear train and manually activated motion means operable to force the recording medium to move from the reproduction position to the initial insertion position after said retraction means has forced the gear to retract from said gear train.
Claim 2
Dependent Claim 110 words
An information reproduction apparatus comprising: supporting means for supporting a recording medium, drive means for driving said supporting means to move the recording medium between an initial insertion position and a reproduction position, a gear train for transmitting the driving force of said drive means to said supporting means, said gear train including a gear which is retractable therefrom, manually activated retraction means operable to force the gear to retract from said gear train and manually activated motion means operable to force the recording medium to move from the reproduction position to the initial insertion position after said retraction means has forced the gear to retract from said gear train.
Claim 3
Dependent Claim 43 words
An information reproduction apparatus as described in claim 1, wherein said motion means includes a through-hole provided in a front panel, said through-hole permitting an operation rod such as a pin, clip or a screw-driver, etc., for activating said motion means to move.
Claim 4
Dependent Claim 31 words
An information reproduction apparatus as described in claim 2, wherein both said retraction means and said motion means are so designed as to be driven by means of said operation rod.
Claim 5
Dependent Claim 22 words
An information reproduction apparatus as described in claim 1, wherein said motion means includes a rotary arm for transmitting a driving force.
Claim 6
Dependent Claim 41 words
An information reproduction apparatus as described in claim 4, wherein said motion means includes a through-hole provided in a front panel, said through-hole permitting an operation rod such as a pin, clip or a screw-driver, etc., for activating said motion means.
Claim 7
Dependent Claim 31 words
An information reproduction apparatus as described in claim 5, wherein both said retraction means and said motion means are so designed as to be driven by means of said operation rod.
Claim 8
Dependent Claim 117 words
An information reproduction apparatus comprising: supporting means for supporting a recording medium, a drive means for driving said supporting means to move the recording medium between an initial insertion position and a reproduction position, transmission means for transmitting the driving force of said drive means to said supporting means, said transmission means including a transmission element which is retractable therefrom, manually activated retraction means operable to force the transmission element to retract from said transmission means, and manually activated motion means including a rotary arm operable to force the recording medium to move from the reproduction position to the initial insertion position after said retracting means has forced the transmission element to retract from said transmission means.
Claim 9
Dependent Claim 117 words
An information reproduction apparatus comprising: supporting means for supporting a recording medium, a drive means for driving said supporting means to move the recording medium between an initial insertion position and a reproduction position, transmission means for transmitting the driving force of said drive means to said supporting means, said transmission means including a transmission element which is retractable therefrom, manually activated retraction means operable to force the transmission element to retract from said transmission means, and manually activated motion means including a rotary arm operable to force the recording medium to move from the reproduction position to the initial insertion position after said retracting means has forced the transmission element to retract from said transmission means.
Claim 10
Dependent Claim 41 words
An information reproduction apparatus as described in claim 7, wherein said motion means includes a through-hole provided in a front panel, said through-hole permitting an operation rod such as a pin, clip or a screw-driver, etc., for activating said motion means.
Claim 11
Dependent Claim 31 words
An information reproduction apparatus as described in claim 8, wherein both said retraction means and said motion means are so designed as to be driven by means of said operation rod.

References Cited (Backward Citations)

US4670802A Cited
JPS5996559A Cited
JPS6231061A Cited
JPH09210562A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-03-29 1996-09-28 1997-03-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-03-29 2000-09-28 2001-03-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-03-29 2004-09-28 2005-03-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag