Patent US4139876A successfully refreshed from Google Patents.
US4139876A
Expired / Lapsed
US
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Record ejecting and positioning assembly
Assignee: MICRO PERIPHERALS Inc
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Filing: 1977-08-18
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Granted: 1979-02-13
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Expires: 1997-08-18
Abstract
Abstract A record drive and positioning assembly particularly adapted for disc records used for recording of digital information and for use in association with computers. The unit embodies a record driving spindle or hub and clutch. The record is insertable into the unit through a hinged door. Ejector mechanism is provided in association with a latch, the ejector being operative to eject the record unless it is inserted fully in a latching position. The mechanism provides for "feel" so that the operator will know when the record is fully inserted. During closing of the door, a pin will unlatch the ejector allowing the ejector to move the record sufficiently to cause it to accurately register with the driving hub and clutch. When the door is opened by being lifted, the ejector will eject the record from the unit.
Inventors
- 👤 William M. Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:30
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/032
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
79 words
In an apparatus having record means and record drive means, the apparatus including a door which is openable for insertion of the record means, ejector means engaged by the record means upon insertion thereof, latch means for latching the ejector means when the record has been inserted to a predetermined position, the ejector means acting to eject the record means unless the ejector means has become latched and means whereby the ejector means is unlatched by closing the door.
Claim 2
Dependent Claim
79 words
In an apparatus having record means and record drive means, the apparatus including a door which is openable for insertion of the record means, ejector means engaged by the record means upon insertion thereof, latch means for latching the ejector means when the record has been inserted to a predetermined position, the ejector means acting to eject the record means unless the ejector means has become latched and means whereby the ejector means is unlatched by closing the door.
Claim 3
Dependent Claim
69 words
Apparatus as in claim 1 wherein the record drive means has a circular driving member and the record means has a central opening configured to register with and to engage with the circular driving member, whereby upon closing movement of the door the ejector means acts on the record means to cause it to be accurately aligned and positioned for drive of the record means by the drive means.
Claim 4
Dependent Claim
37 words
A apparatus as in claim 2 wherein the said door includes a part overlying the record means, the said door carrying a clutch member to engage with the opening in the record means with the driving member.
Claim 5
Dependent Claim
31 words
Apparatus as in claim 1 wherein the said apparatus has guide means for guiding movement of the record means with respect to the door and with respect to the ejector means.
Claim 6
Dependent Claim
51 words
Apparatus as in claim 1 wherein the ejector means includes an ejector member, a spring acting on the ejector member, the latch means including a spring latch engageable with the ejector member, the said unlatching means including a member carried by the door and engageable with the spring latch for unlatching.
Claim 7
Dependent Claim
60 words
Apparatus as in claim 5 wherein the said door is in the form of a frame member positioned for swinging movement over the record means, means biasing the door in the opening direction, means for latching the door in its closed position, the door latching means being manually unlatched for opening the door and allowing ejection of the record means.
Claim 8
Dependent Claim
60 words
Apparatus as in claim 1 wherein the said door is in the form of a frame member positioned for swinging movement over the record means, means biasing the door in the opening direction, means for latching the door in its closed position, the door latching means being manually unlatched for opening the door and allowing ejection of the record means.
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) | 1982-02-12 | 1982-08-14 | 1983-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-12 | 1986-08-14 | 1987-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-12 | 1990-08-14 | 1991-02-13 | $7700.00 | Window Closed / Lapsed |