Patent JPS6289022A successfully refreshed from Google Patents.
US3857531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape reel cartridge
Assignee: INT VIDEO CORP
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Filing: 1973-03-29
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Granted: 1974-12-31
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Expires: 1993-03-29
Abstract
Abstract A reel cartridge for a conventional tape reel, the cartridge having an internal guide for confining a wound tape on the reel and for cooperating with an extractor mechanism to permit withdrawal of the end of the tape, the cartridge being removably adaptable to a cooperating spindle with latching fingers by an adapter ring which is fixable to the hub of a contained tape supply reel.
Inventors
- 👤 J Jantzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:05
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/107; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G11B15/00; G11B15/60; G11B15/66; G11B15/67
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
186 words
In a tape reel cartridge having a top, a bottom and side walls adapted to form an enclosure structure for containing a tape reel on which is wound a magnetic tape, wherein the enclosure structure has a first opening in a side wall through which a magnetic tape is extendible and a second opening in the bottom through which a drive spindle is insertable, the improvement comprising: a tape reel contained in said cartridge, said tape reel having a hub, a displaceable adapter ring inserted in said tape reel hub, said adapter ring adapted for releasable engagement by said hub spindle to support and rotate said tape reel in the cartridge, a first tape guide fixed to the enclosure structure, said first tape guide extending from immediately adjacent the first opening around a portion of the periphery of said contained tape reel, and a second tape guide displaceable from the enclosure structure, said second tape guide extending from said first tape guide, around and within the periphery of said contained tape reel and hence adjacent the first opening in the enclosure structure opposite said first guide.
Claim 2
Dependent Claim
186 words
In a tape reel cartridge having a top, a bottom and side walls adapted to form an enclosure structure for containing a tape reel on which is wound a magnetic tape, wherein the enclosure structure has a first opening in a side wall through which a magnetic tape is extendible and a second opening in the bottom through which a drive spindle is insertable, the improvement comprising: a tape reel contained in said cartridge, said tape reel having a hub, a displaceable adapter ring inserted in said tape reel hub, said adapter ring adapted for releasable engagement by said hub spindle to support and rotate said tape reel in the cartridge, a first tape guide fixed to the enclosure structure, said first tape guide extending from immediately adjacent the first opening around a portion of the periphery of said contained tape reel, and a second tape guide displaceable from the enclosure structure, said second tape guide extending from said first tape guide, around and within the periphery of said contained tape reel and hence adjacent the first opening in the enclosure structure opposite said first guide.
Claim 3
Dependent Claim
25 words
The combination of claim 1 further comprising means for supporting said tape reel in spaced relation to, and out of contact with, said enclosure structure.
Claim 4
Dependent Claim
32 words
The combination of claim 2 comprising further an orientation guide formed in the top of the enclosure structure and engageable with said adapter ring for orienting said tape reel in the cartridge.
Claim 5
Dependent Claim
33 words
The combination of claim 1 wherein said tape reel hub has spaced slots and said adapter ring includes projecting members engageable with said slots when the adapter ring is inserted into the hub.
Claim 6
Dependent Claim
13 words
The combination of claim 4 wherein said projecting members are flexible wedge members.
Claim 7
Dependent Claim
33 words
The combination of claim 2 wherein said tape reel hub has spaced slots and said adapter ring includes projecting members engageable with said slots when the adapter ring is inserted into the hub.
Claim 8
Dependent Claim
33 words
The combination of claim 3 wherein said tape reel hub has spaced slots and said adapter ring includes projecting members engageable with said slots when the adapter ring is inserted into the hub.
Claim 9
Dependent Claim
28 words
The combination of claim 5 wherein said wedge members each comprise a pair of spaced flexible fingers with enlarged bulbous projecting ends which are engageable in said slots.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |