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US4882722A Expired / Lapsed US ⏱️ 0.0 years remaining

Front loading disk player

Assignee: Pioneer Corp
•
Filing: 1989-04-10
•
Granted: 1989-11-21
•
Expires: 2009-04-10
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Abstract

Abstract A front loading disk player is disclosed which comprises a housing; a playing unit including a turn table; a carrier for bearing a disk to be played; carrier taking in and out unit for moving the carrier out of and into the housing through an opening formed in the housing, to permit the loading and unloading of the disk; and a door provided swingably to open and close the opening. The carrier taking in and out unit comprises movable members which are movably provided in the housing; a drive force applying unit for applying a drive force to the movable members; and a carrier moving mechanism for moving the carrier horizontally and vertically with movement of the movable members. The door is opened and closed by the carrier taking in and out unit.

Inventors

  • 👤 Ryo Matsuura
  • 👤 Nobuyuki Isobe
  • 👤 Masao Kase

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:50
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/04; G11B17/0401; G11B17/0405; G11B17/022; G11B17/028; G11B17/035

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 204 words
A front loading disk player comprising: a housing; a unitary carrier for bearing a disk to be displayed; carrier conveying means for conveying said carrier out of and into said housing through an opening formed in said housing, to permit the loading and unloading of said desk; and a door swingably provided to open and close said opening, said door being spring biased in the closed direction, said carrier conveying means comprising movable members having cammed grooves contained therein, said movable members being movably provided in said housing; drive force applying means for applying a drive force to said movable members; and carrier moving means slidably connected to said cammed grooves of said movable members for moving said carrier horizontally and vertically with movement of said movable members, said door being opened and closed by said carrier conveying means wherein said door has a low friction member disposed thereon which abuts against said carrier such that when said carrier is conveyed into said housing said door being spring biased in the closing direction abuts against said carrier so as to be closed at the same rate of speed in which said carrier is conveyed such that said door is closed in a smooth manner.
Claim 2
Dependent Claim 204 words
A front loading disk player comprising: a housing; a unitary carrier for bearing a disk to be displayed; carrier conveying means for conveying said carrier out of and into said housing through an opening formed in said housing, to permit the loading and unloading of said desk; and a door swingably provided to open and close said opening, said door being spring biased in the closed direction, said carrier conveying means comprising movable members having cammed grooves contained therein, said movable members being movably provided in said housing; drive force applying means for applying a drive force to said movable members; and carrier moving means slidably connected to said cammed grooves of said movable members for moving said carrier horizontally and vertically with movement of said movable members, said door being opened and closed by said carrier conveying means wherein said door has a low friction member disposed thereon which abuts against said carrier such that when said carrier is conveyed into said housing said door being spring biased in the closing direction abuts against said carrier so as to be closed at the same rate of speed in which said carrier is conveyed such that said door is closed in a smooth manner.
Claim 3
Dependent Claim 16 words
A front loading disk player as claimed in claim 1, in which said member is spherical.
Claim 4
Dependent Claim 17 words
A front loading disk player as claimed in claim 1, in which said member is a roller.

References Cited (Backward Citations)

FR822174A Cited
US4337533A Cited
JPS5658167A Cited
US4530081A Cited
US4661940A Cited
US4697259A Cited
US4616357A Cited
US4682319A Cited
US4715025A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-11-20 1993-05-22 1993-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-11-20 1997-05-22 1997-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-11-20 2001-05-22 2001-11-21 $7700.00 Window Closed / Lapsed

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