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US4832284A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for drawing out a leader block in a tape cartridge for a magnetic instrument

Assignee: Nakamichi Corp
•
Filing: 1987-10-23
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Granted: 1989-05-23
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Expires: 2007-10-23
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Abstract

Abstract An apparatus for drawing out a leader block in a tape cartridge for a magnetic instrument comprising engagement means movably provided in leader block guide means for guiding and driving the leader block along a predetermined guide path so that the leader block is associated with the leader block guide means in accordance with the tape cartridge entering the magnetic instrument and so that the leader block is released out of the leader block guide means in accordance with the tape cartridge being removed out of the magnetic instrument.

Inventors

  • 👤 Yoshihisa Inoue

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:25
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/60; G11B15/66; G11B15/67; G11B15/672

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 128 words
An apparatus for drawing out a leader block contained in a tape cartridge for a magnetic instrument having a single reel and connected to a leader end of a tape in the tape cartridge comprising: leader block guide means including a drawing pin to guide and drive said leader block along a guide path; engagement means including an engagement member slidably mounted on said drawing pin, an urging member for urging said engagement member to engage with said leader block, and a control arm engaging said engagement member when said tape cartridge enters into and is removed from said magnetic instrument; and a holder base plate pivotally mounted on a chassis of said magnetic instrument and having a cartrdige holder and said leader block guide means provided thereon.
Claim 2
Independent Claim 128 words
An apparatus for drawing out a leader block contained in a tape cartridge for a magnetic instrument having a single reel and connected to a leader end of a tape in the tape cartridge comprising: leader block guide means including a drawing pin to guide and drive said leader block along a guide path; engagement means including an engagement member slidably mounted on said drawing pin, an urging member for urging said engagement member to engage with said leader block, and a control arm engaging said engagement member when said tape cartridge enters into and is removed from said magnetic instrument; and a holder base plate pivotally mounted on a chassis of said magnetic instrument and having a cartrdige holder and said leader block guide means provided thereon.
Claim 3
Dependent Claim 82 words
An apparatus for drawing out a leader block contained in a tape cartridge for a magnetic instrument as set forth in claim 1, and wherein said leader block guide means comprises a spur wheel rotatably mounted on said holder base plate and having a drawing pin provided thereon through an arm pivotally mounted on said spur wheel so as to be engaged with a slot in said leader block, said drawing pin engaging with a guide groove in said holder base plate.

References Cited (Backward Citations)

US4432508A Cited
JPS58171773A Cited
US4477851A Cited
JPS5913097A Cited
US4646177A Cited
US4704645A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-05-22 1992-11-21 1993-05-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-05-22 1996-11-21 1997-05-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-05-22 2000-11-21 2001-05-23 $7700.00 Window Closed / Lapsed

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