US4040615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Original discharging device for copiers
Assignee: Xerox Ltd
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Filing: 1976-08-16
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Granted: 1977-08-09
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Expires: 1996-08-16
Abstract
Abstract A document discharging device for discharging copied documents from the platen of a copying machine wherein vacuum members are provided in the platen cover to lift the copied document from the platen as the cover is raised, guide arms being provided to guide the lifted document into a discharge tray when the lifting vacuum is shut off.
Inventors
- 👤 Takefumi Kurosaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:59
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625; G03B27/6264
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
171 words
An automatic document ejecting device adapted for incorporation in a platen cover of a copying machine having a platen glass for placement of documents to be exposed by the copying machine comprising: a pivotal cover overlying the platen glass, said cover being pivotable about an axis between a closed position adjacent the platen glass and an open position remote from the platen glass; vacuum plenum means mounted in said cover for attracting and supporting a document, said means being adapted to press the document against the platen glass when said cover is in said closed position; and, discharge guiding means moveably mounted in said cover for movement to a position under a document held by said vacuum plenum means responsive to movement of said cover to said open position to support and guide the document from said cover when the vacuum is shut off from said vacuum plenum means, said guide means being moveable to a position alongside the document position responsive to movement of said cover to said closed position.
Claim 2
Dependent Claim
171 words
An automatic document ejecting device adapted for incorporation in a platen cover of a copying machine having a platen glass for placement of documents to be exposed by the copying machine comprising: a pivotal cover overlying the platen glass, said cover being pivotable about an axis between a closed position adjacent the platen glass and an open position remote from the platen glass; vacuum plenum means mounted in said cover for attracting and supporting a document, said means being adapted to press the document against the platen glass when said cover is in said closed position; and, discharge guiding means moveably mounted in said cover for movement to a position under a document held by said vacuum plenum means responsive to movement of said cover to said open position to support and guide the document from said cover when the vacuum is shut off from said vacuum plenum means, said guide means being moveable to a position alongside the document position responsive to movement of said cover to said closed position.
Claim 3
Dependent Claim
70 words
An automatic document ejecting device according to claim 1 wherein said discharge guiding means comprise guide arms pivotally mounted on said cover; and, pin and slot means interconnected to said guide arms and said cover to move said arms under a document when said cover is pivoted to said open position and to move said arms free of the document area when said cover is pivoted to said closed position.
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) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |