US4286300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cassette
Assignee: Olympus Corp
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Filing: 1978-12-13
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Granted: 1981-08-25
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Expires: 1998-12-13
Abstract
Abstract In the cassette disclosed, a cassette housing with magnetic tape has openings at the front surface thereof for receiving a magnetic head, a pinch roller and the like. A pair of tape pad springs for pressing against the head of the openings are integrally formed with the housing.
Inventors
- 👤 Akira Osanai
- 👤 Toshihisa Nakao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:39
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08757; G11B23/08771
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
141 words
A tape cassette, comprising a cassette housing having upper and lower portions and a front edge, a magnetic tape accomodated therein, a pair of openings provided at the front edge of the housing for receiving a magnetic head, an opening for a pinch roller, and a pair of tape press pad springs integrally formed with the cassette housing, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof.
Claim 2
Dependent Claim
141 words
A tape cassette, comprising a cassette housing having upper and lower portions and a front edge, a magnetic tape accomodated therein, a pair of openings provided at the front edge of the housing for receiving a magnetic head, an opening for a pinch roller, and a pair of tape press pad springs integrally formed with the cassette housing, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof.
Claim 3
Dependent Claim
188 words
A cassette, comprising a cassette housing having upper and lower portions and a front edge, a pair of tape hubs rotatably mounted in the housing, a magnetic tape mounted on the hubs, means for guiding the tape from one hub to the other, said housing forming a pair of magnetic head receiving openings straddling the center of the edge, said housing forming an opening for a pinch roller between the magnetic head receiving openings, and a pair of tape press pad springs integrally formed with the cassette housing and extending to the head receiving openings, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof, and a pair of stoppers near the head receiving openings.
Claim 4
Dependent Claim
188 words
A cassette, comprising a cassette housing having upper and lower portions and a front edge, a pair of tape hubs rotatably mounted in the housing, a magnetic tape mounted on the hubs, means for guiding the tape from one hub to the other, said housing forming a pair of magnetic head receiving openings straddling the center of the edge, said housing forming an opening for a pinch roller between the magnetic head receiving openings, and a pair of tape press pad springs integrally formed with the cassette housing and extending to the head receiving openings, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof, and a pair of stoppers near the head receiving openings.
Claim 5
Dependent Claim
160 words
A tape cassette, comprising a cassette housing having upper and lower portions and a front edge, a magnetic tape accommodated therein, a pair of openings provided at the front edge of the housing for receiving a magnetic head, an opening for a pinch roller, and a pair of tape press pad springs integrally formed with the cassette housing, each of the pad springs being integrally formed in the upper and lower housing portions of the housing, respectively, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof.
Claim 6
Dependent Claim
160 words
A tape cassette, comprising a cassette housing having upper and lower portions and a front edge, a magnetic tape accommodated therein, a pair of openings provided at the front edge of the housing for receiving a magnetic head, an opening for a pinch roller, and a pair of tape press pad springs integrally formed with the cassette housing, each of the pad springs being integrally formed in the upper and lower housing portions of the housing, respectively, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof.
Claim 7
Dependent Claim
179 words
A tape cassette, comprising a cassette housing having upper and lower portions and a front edge, a pair of tape hubs rotatably mounted in the housing, a magnetic tape mounted on the hubs, means for guiding the tape from one hub to the other, said housing forming a pair of magnetic head receiving openings straddling the center of the edge, said housing forming an opening for a pinch roller between the magnetic head receiving openings, and a pair of tape press pad springs integrally formed with the cassette housing and extending to the head receiving openings, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof.
Claim 8
Dependent Claim
179 words
A tape cassette, comprising a cassette housing having upper and lower portions and a front edge, a pair of tape hubs rotatably mounted in the housing, a magnetic tape mounted on the hubs, means for guiding the tape from one hub to the other, said housing forming a pair of magnetic head receiving openings straddling the center of the edge, said housing forming an opening for a pinch roller between the magnetic head receiving openings, and a pair of tape press pad springs integrally formed with the cassette housing and extending to the head receiving openings, the housing forming a capstan opening through the upper and lower portions near the center of the front edge between two head receiving openings, one of said pad springs extending from one side of the capstan opening and around the capstan opening to the head receiving opening at the other side thereof, and the other of said pad springs extending from the other side of the capstan opening and around the capstan opening to the head receiving opening at the one side thereof.
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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) | 1984-08-24 | 1985-02-23 | 1985-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-24 | 1989-02-23 | 1989-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-24 | 1993-02-23 | 1993-08-25 | $7700.00 | Window Closed / Lapsed |