US3422230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting structure for rotating magnetic heads
Assignee: Panasonic Holdings Corp
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Filing: 1965-06-18
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Granted: 1969-01-14
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Expires: 1985-06-18
Abstract
No abstract record available.
Inventors
- 👤 Shizuhiko Tanigawa
- 👤 Yoshio Yabuno
- 👤 Koji Nakamura
- 👤 Takuji Nakamura
- 👤 Nobuyoshi Fujimori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:25
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/52; G11B5/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
AN APPARATUS FOR THE MAGNETIC RECORDING AND REPRODUCTION OF WIDE-BAND SIGNALS COMPRISING A MAGNETIC TAPE, A TAPE GUIDE MEMBER, ROTARY HEADS INCLUDING MAGNETIC TRANSDUCERS, SAID MAGNETIC TRANSDUCERS BEING ADAPTED TO SUCCESSIVELY SWEEP ACROSS SAID MAGNETIC TAPE IN SLANTED RELATION WITH RESPECT THERETO, SAID TAPE GUIDE MEMBER FORMING A PARTIAL CYLINDRICAL FACE HAVING A CENTRAL AXIS, A ROTARY HEAD MOUNTING BASE OF SUBSTANTIALLY RECTANGULAR SHAPE DISPOSED IN SAID TAPE GUIDE MEMBER TO EXTEND TO THE PERIPHERY OF SAID CYLINDRICAL FACE AND HAVING SAID ROTARY HEADS MOUNTED ON OPPOSITE ENDS THEREOF, A MOTOR SHAFT FOR CAUSING ROTATION OF SAID HEAD MOUNTING BASE IN A PLANE AT A PREDETERMINED ANGLE WITH RESPECT TO SAID CENTRAL AXIS, A FLANGE MEANS DISPOSED AT THE CENTRAL PORTION OF SAID HEAD MOUNTING BASE AND SECURELY FIXED CENTRALLY THEREOF TO SAID MOTOR SHAFT IN ORDER TO TRANSMIT THE DRIVE POWDER FROM SAID MOTOR SHAFT TO SAID HEAD MOUNTING BASE, A CENTRAL PERFORATION PROVIDED AT THE CENTER OF ROTATION OF SAID HEAD MOUNTING BASE, MEANS FOR SECURING SAID HEAD MOUNTING BASE TO SAID FLANGE MEANS WITH SAID CENTRAL PERFORATION OF SAID HEAD MOUNTING BASE COAXIALLY ENGAGED WITH SAID MOTOR SHAFT, AND AN ACCESS OPENING PROVIDED ON THAT SIDE OF SAID TAPE GUIDE MEMBER AT WHICH SAID MAGNETIC TAPE DOES NOT MAKE MOVING CONTACT WITH SAID TAPE GUIDE MEMBER SO AS TO PERMIT INSERTION AND WITHDRAWAL OF SAID HEAD MOUNTING BASE THERETHROUGH.
Claim 2
Independent Claim
232 words
AN APPARATUS FOR THE MAGNETIC RECORDING AND REPRODUCTION OF WIDE-BAND SIGNALS COMPRISING A MAGNETIC TAPE, A TAPE GUIDE MEMBER, ROTARY HEADS INCLUDING MAGNETIC TRANSDUCERS, SAID MAGNETIC TRANSDUCERS BEING ADAPTED TO SUCCESSIVELY SWEEP ACROSS SAID MAGNETIC TAPE IN SLANTED RELATION WITH RESPECT THERETO, SAID TAPE GUIDE MEMBER FORMING A PARTIAL CYLINDRICAL FACE HAVING A CENTRAL AXIS, A ROTARY HEAD MOUNTING BASE OF SUBSTANTIALLY RECTANGULAR SHAPE DISPOSED IN SAID TAPE GUIDE MEMBER TO EXTEND TO THE PERIPHERY OF SAID CYLINDRICAL FACE AND HAVING SAID ROTARY HEADS MOUNTED ON OPPOSITE ENDS THEREOF, A MOTOR SHAFT FOR CAUSING ROTATION OF SAID HEAD MOUNTING BASE IN A PLANE AT A PREDETERMINED ANGLE WITH RESPECT TO SAID CENTRAL AXIS, A FLANGE MEANS DISPOSED AT THE CENTRAL PORTION OF SAID HEAD MOUNTING BASE AND SECURELY FIXED CENTRALLY THEREOF TO SAID MOTOR SHAFT IN ORDER TO TRANSMIT THE DRIVE POWDER FROM SAID MOTOR SHAFT TO SAID HEAD MOUNTING BASE, A CENTRAL PERFORATION PROVIDED AT THE CENTER OF ROTATION OF SAID HEAD MOUNTING BASE, MEANS FOR SECURING SAID HEAD MOUNTING BASE TO SAID FLANGE MEANS WITH SAID CENTRAL PERFORATION OF SAID HEAD MOUNTING BASE COAXIALLY ENGAGED WITH SAID MOTOR SHAFT, AND AN ACCESS OPENING PROVIDED ON THAT SIDE OF SAID TAPE GUIDE MEMBER AT WHICH SAID MAGNETIC TAPE DOES NOT MAKE MOVING CONTACT WITH SAID TAPE GUIDE MEMBER SO AS TO PERMIT INSERTION AND WITHDRAWAL OF SAID HEAD MOUNTING BASE THERETHROUGH.
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |