Patent US3869722A successfully refreshed from Google Patents.
US3869722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auto cassette changer
Assignee: Pioneer Corp
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Filing: 1972-10-26
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Granted: 1975-03-04
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Expires: 1992-10-26
Abstract
Abstract An auto cassette changer is provided with a cassette table movable forwardly and rearwardly relative to the front of a cassette tape drive mechanism having reel shafts projecting horizontally therefrom. During forward movement of said cassette table the forwardmost tape cassette is shifted longitudinally on said cassette table into engagement with said cassette tape drive mechanism and during rearward movement of said cassette table the cassette is disengaged from the drive mechanism and removed from said cassette table by dropping downwardly through an opening in the table to a cassette receiving platform for storage.
Inventors
- 👤 Tadahisa Iwasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:59
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/68; G11B15/6805; G11B15/6815
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
129 words
An automatic cassette changer device comprising a chassis, a tape drive mechanism secured to said chassis, cassette table means movably mounted on said chassis for holding a plurality of tape cassettes, pusher means for shifting said cassettes toward said tape drive mechanism for engagement of a first cassette with said tape drive mechanism, shift means for moving said table means away from said tape drive mechanism, aperture means formed in said table means and said chassis permitting the downward passage of the first cassette upon shifting of said table means away from said tape drive mechanism, platform means disposed beneath said aperture means for receiving a dropped cassette thereon and means for selectively holding and releasing the remaining cassettes during and subsequent to the dropping operation of a cassette.
Claim 2
Dependent Claim
129 words
An automatic cassette changer device comprising a chassis, a tape drive mechanism secured to said chassis, cassette table means movably mounted on said chassis for holding a plurality of tape cassettes, pusher means for shifting said cassettes toward said tape drive mechanism for engagement of a first cassette with said tape drive mechanism, shift means for moving said table means away from said tape drive mechanism, aperture means formed in said table means and said chassis permitting the downward passage of the first cassette upon shifting of said table means away from said tape drive mechanism, platform means disposed beneath said aperture means for receiving a dropped cassette thereon and means for selectively holding and releasing the remaining cassettes during and subsequent to the dropping operation of a cassette.
Claim 3
Dependent Claim
46 words
An automatic cassette changer device as set forth in claim 1 further comprising holding means on said platform means for storing a plurality of dropped cassettes and means for shifting the dropped cassette from its position below said aperture means into engagement with said holding means.
Claim 4
Dependent Claim
77 words
An automatic cassette changer device as set forth in claim 1 wherein said means for selectively holding and releasing the remaining cassettes during and subsequent to a dropping operation is comprised of a lever pivotally mounted beneath said table means, said lever having upstanding tab means thereon for engaging the face of a cassette and means for pivoting said lever means to bring said tab means into and out of engagement with the face of a 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) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |