US3735939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cassette
Assignee: Individual
•
Filing: 1971-08-09
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Granted: 1973-05-29
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Expires: 1991-08-09
Abstract
Abstract A tape cassette for magnetic tape apparatus for recording or reproducing or both and which has a housing formed by walls and in which one of the walls has formed therein a cutout and a slot contiguous thereto for engagement with one part of the apparatus to guide the tape cassette to a proper position of the apparatus.
Inventors
- 👤 K Sony Corp Tokyo Inaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:25
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08735; G11B23/08785
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
127 words
A tape cassette for holding a tape and being used for supplying the tape to a tape apparatus for recording or reproducing or both, said cassette comprising: A. A reel having said tape wound thereon; and B. A housing formed by walls for containing said reel therein, said housing having an opening permitting the passage therethrough of said tape and one of said walls having a cutout formed at the peripheral portion thereof and a slot extending from said cutout for engagement with a portion of said apparatus during loading of said cassette to said apparatus, thereby to guide said cassette to a predetermined position, said cutout involving a portion of the margin of said one wall and becoming gradually narrower toward said slot from said margin.
Claim 2
Dependent Claim
127 words
A tape cassette for holding a tape and being used for supplying the tape to a tape apparatus for recording or reproducing or both, said cassette comprising: A. A reel having said tape wound thereon; and B. A housing formed by walls for containing said reel therein, said housing having an opening permitting the passage therethrough of said tape and one of said walls having a cutout formed at the peripheral portion thereof and a slot extending from said cutout for engagement with a portion of said apparatus during loading of said cassette to said apparatus, thereby to guide said cassette to a predetermined position, said cutout involving a portion of the margin of said one wall and becoming gradually narrower toward said slot from said margin.
Claim 3
Dependent Claim
26 words
A tape cassette according to claim 1 in which said slot extends in the direction of movement of said cassette to be loaded to said apparatus.
Claim 4
Dependent Claim
37 words
A tape cassette according to claim 2 in which said cutout is substantially delta-shaped, one side of said delta-shaped cutout being at said margin and one apex opposing to said one side being contiguous to said slot.
Claim 5
Dependent Claim
140 words
A tape cassette for holding a tape and being used for supplying the tape to a tape apparatus for recording or reproducing or both, said cassette comprising: A. A reel having said tape wound thereon; and B. A housing formed by walls for containing said reel therein, said housing having an opening permitting the passage therethrough of said tape and one of said walls having a cutout formed at a peripheral portion thereof and a slot extending from said cutout for engagement with a portion of said apparatus during loading of said cassette to said apparatus, thereby to guide said cassette to a predetermined position, and in which said walls of the housing are constituted by top, bottom and side walls, said opening is located in said side wall and said cutout and slot are formed in said bottom wall.
Claim 6
Dependent Claim
140 words
A tape cassette for holding a tape and being used for supplying the tape to a tape apparatus for recording or reproducing or both, said cassette comprising: A. A reel having said tape wound thereon; and B. A housing formed by walls for containing said reel therein, said housing having an opening permitting the passage therethrough of said tape and one of said walls having a cutout formed at a peripheral portion thereof and a slot extending from said cutout for engagement with a portion of said apparatus during loading of said cassette to said apparatus, thereby to guide said cassette to a predetermined position, and in which said walls of the housing are constituted by top, bottom and side walls, said opening is located in said side wall and said cutout and slot are formed in said bottom wall.
Claim 7
Dependent Claim
26 words
A tape cassette according to claim 4 in which said cutout and slot extend across said bottom wall to one edge thereof from the opposing edge.
Claim 8
Dependent Claim
41 words
A tape cassette according to claim 4 in which said housing contains a supply reel and a take-up reel spaced from each other on the inside of said bottom wall and said slot is provided between said supply and take-up reels.
Claim 9
Dependent Claim
32 words
A tape cassette according to claim 6 in which said slot is spaced by a predetermined distance from one of said supply and take-up reels regardless of the size of said cassette.
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |