Patent US3677557A successfully refreshed from Google Patents.
US3677557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless magnetic tape cartridge removing apparatus
Assignee: Individual
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Filing: 1970-03-30
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Granted: 1972-07-18
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Expires: 1990-03-30
Abstract
Abstract An apparatus moving a cartridge to and from a play position in a tape cartridge player comprising a displaceable member supporting a retension member which is engageable with a notch in the cartridge and which exerts a forward force to the cartridge for holding the cartridge in the play position with respect to the capstan and the magnetic head, and means for moving the displaceable member to the position where the retention member escapes from the notch of the cartridge, the cartridge being removed from the play position as said forward force on the cartridge is extinguished by the retention member escaping from the notch of the cartridge.
Inventors
- 👤 Itsuki Ban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:14
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
An apparatus according to claim 4, wherein a slide member is mounted on said deck arranged to engage the leading edge of a cartridge in the play position and being biased by spring force in the direction in which the slide member engages the cartridge, said slide member being operable to move the cartridge away from the play position after the retention member has escaped from the notch in said cartridge.
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |