← Back to Patent Explorer
US5546376A Expired / Lapsed US ⏱️ 0.0 years remaining

Shutter locking mechanism for a miniature compact disk cartridge or the like and a method of manufacturing the same

Assignee: Atlanta Precision Molding Co
•
Filing: 1994-10-03
•
Granted: 1996-08-13
•
Expires: 2014-10-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A protective cartridge for housing an information storage disk and a method for making the same is provided. Specifically, a shutter-lock adapted to lock a read/write shutter into a closed position is integrally formed with a shell which forms the cartridge. The shutter-lock is molded with the lower shell so as to form a unitary piece consisting of the shutter-lock and the cartridge shell. A method for manufacturing the protective cartridge having the shutter-lock formed integrally therewith is also provided.

Inventors

  • 👤 Yoshihiko Taniyama

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:06
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/03; G11B23/0301; G11B23/0308

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 252 words
A protective cartridge for housing an information storage disk comprising: a protective shell adapted to enclose the disk; at least one read/write port incorporated into said shell for allowing a read/write device access to the disk; a shutter slidably coupled to said shell and adapted to move into a closed position to cover said read/write port, and move into an open position to allow access to said read/write port; and a shutter-lock integrally formed with said shell and adapted to releasably lock said shutter into the closed position, wherein said shutter-lock includes a first elongated portion including first and second ends, means for releasably engaging said shutter into the closed position, and a first stiffness associated with said first elongated portion, a second elongated portion including a first end connected to said second end of said first elongated portion, a second end, and a second stiffness associated with said second elongated portion, wherein said second stiffness is substantially less than said first stiffness, and a third portion formed on said second end of said second elongated portion of said shutter lock, wherein said third portion of said shutter-lock is integrally formed with said lower shell, wherein said first, second and third portions of said shutter-lock and said shell comprise a single unitary piece, and wherein said second portion of said shutter-lock is adapted to bend for allowing said first portion of said shutter-lock to rigidly translate and disengage from said shutter and to allow said shutter to slide into the open position.
Claim 2
Dependent Claim 252 words
A protective cartridge for housing an information storage disk comprising: a protective shell adapted to enclose the disk; at least one read/write port incorporated into said shell for allowing a read/write device access to the disk; a shutter slidably coupled to said shell and adapted to move into a closed position to cover said read/write port, and move into an open position to allow access to said read/write port; and a shutter-lock integrally formed with said shell and adapted to releasably lock said shutter into the closed position, wherein said shutter-lock includes a first elongated portion including first and second ends, means for releasably engaging said shutter into the closed position, and a first stiffness associated with said first elongated portion, a second elongated portion including a first end connected to said second end of said first elongated portion, a second end, and a second stiffness associated with said second elongated portion, wherein said second stiffness is substantially less than said first stiffness, and a third portion formed on said second end of said second elongated portion of said shutter lock, wherein said third portion of said shutter-lock is integrally formed with said lower shell, wherein said first, second and third portions of said shutter-lock and said shell comprise a single unitary piece, and wherein said second portion of said shutter-lock is adapted to bend for allowing said first portion of said shutter-lock to rigidly translate and disengage from said shutter and to allow said shutter to slide into the open position.
Claim 3
Dependent Claim 38 words
The cartridge of claim 1 wherein said shell further includes: an upper shell half and a lower shell half adapted to interlock with each other and enclose the disk, wherein said lower shell half includes a read/write port.
Claim 4
Dependent Claim 47 words
The cartridge of claim 2 wherein said upper and lower shells further include: arcuate guide walls disposed on inside surfaces thereof for centering the disk within the cartridge, wherein said third portion of said shutter-lock is integrally formed with said arcuate guide wall of said lower shell.
Claim 5
Dependent Claim 71 words
The cartridge of claim 3 wherein said cartridge further comprises: a tab disposed on said shutter for interlocking with said shutter-lock when said shutter is in the closed position; and wherein said means for releasably engaging said shutter includes a recess disposed on said first elongated portion of said shutter-lock for receiving and engaging said tab, thereby preventing lateral movement of said shutter when said shutter is in the closed position.
Claim 6
Dependent Claim 11 words
The cartridge of claim 1 wherein said shutter-lock is substantially U-shaped.
Claim 7
Dependent Claim 238 words
A protective cartridge for housing an information storage disk including a shell for enclosing the disk, at least one read/write port incorporated into said shell for allowing a read/write device access to the disk, a shutter slidably disposed over each said read/write port for covering each said read/write port while in a closed position and exposing each said read/write port while in an open position, wherein the improvement comprises: a shutter-lock adapted to lock said shutter into a closed position, said shutter-lock including a first elongated portion including first and second ends, means for releasably engaging the shutter into the closed position, and a first stiffness associated with said first elongated portion, a second elongated portion including a first end connected to said second end of said first elongated portion, a second end, and a second stiffness associated with said second elongated portion, wherein said second stiffness is substantially less than said first stiffness, and a third portion formed on said second end of said second elongated portion of said shutter-lock, wherein said third portion of said shutter-lock is integrally formed with said lower shell, and said first, second and third portions of said shutter-lock and said shell comprise a single unitary piece, and wherein said second portion of said shutter-lock is adapted to bend for allowing said first portion to rigidly translate and disengage from said shutter and allow said shutter to slide into the open position.
Claim 8
Dependent Claim 238 words
A protective cartridge for housing an information storage disk including a shell for enclosing the disk, at least one read/write port incorporated into said shell for allowing a read/write device access to the disk, a shutter slidably disposed over each said read/write port for covering each said read/write port while in a closed position and exposing each said read/write port while in an open position, wherein the improvement comprises: a shutter-lock adapted to lock said shutter into a closed position, said shutter-lock including a first elongated portion including first and second ends, means for releasably engaging the shutter into the closed position, and a first stiffness associated with said first elongated portion, a second elongated portion including a first end connected to said second end of said first elongated portion, a second end, and a second stiffness associated with said second elongated portion, wherein said second stiffness is substantially less than said first stiffness, and a third portion formed on said second end of said second elongated portion of said shutter-lock, wherein said third portion of said shutter-lock is integrally formed with said lower shell, and said first, second and third portions of said shutter-lock and said shell comprise a single unitary piece, and wherein said second portion of said shutter-lock is adapted to bend for allowing said first portion to rigidly translate and disengage from said shutter and allow said shutter to slide into the open position.
Claim 9
Dependent Claim 40 words
The cartridge of claim 6 wherein said shell further includes: an upper shell half and a lower shell half adapted to interlock with each other and enclose the disk, and wherein said lower shell half further includes a read/write port.
Claim 10
Dependent Claim 42 words
The cartridge of claim 7 wherein said lower shell further includes: arcuate guide walls disposed on an inside surface thereof for centering the disk within the cartridge, wherein said third portion of said shutter-lock is integrally formed with said arcuate guide wall.
Claim 11
Dependent Claim 11 words
The cartridge of claim 6 wherein said shutter-lock is substantially U-shaped.
Claim 12
Dependent Claim 70 words
The cartridge of claim 6 wherein said cartridge further comprises: a tab disposed on said shutter for interlocking with said shutter-lock when said shutter is in a closed position; and wherein said means for releasably engaging said shutter includes a recess disposed on said first elongated portion of said shutter-lock adapted to engage said tab, thereby preventing lateral movement of said shutter when said, shutter is in a closed position.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-08-13 2000-02-12 2000-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-08-13 2004-02-12 2004-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-08-13 2008-02-12 2008-08-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag