US3348838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding mechanism
Assignee: Heyer Inc
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Filing: 1965-12-27
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Granted: 1967-10-24
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Edward M Springer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:26
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/46; B65H3/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN SHEET FEEDING MECHANISM HAVING A TABLE FOR SUPPORTING A STACK OF SHEETS ADVANCING MEANS FOR URGING THE UPPERMOST SHEET OF A STACK FORWARDLY, SHEET GUIDING, RESTRAINING AND RELEASING MEANS, COMPRISING ABUTMENT STOP MEANS FOR ENGAGING A FORWARD EDGE OF THE SHEET, A SINGLE SHEET RELEASING LIP OVERLYING AND ENGAGEABLE WITH A FORWARD CORNER OF THE UPPERMOST SHEET IN A STACK, AND A SIDE RAIL INTEGRALLY RELATED TO SAID LIP AND EXTENDING DOWNWARDLY TO SAID TABLE FOR GUIDINGLY ENGAGING AN EDGE OF THE SHEET IN A STACK AND PIVOTALLY SUPPORTED BY THE TABLE REARWARDLY OF SAID LIP TO ENABLE VERTI CAL MOVEMENT OF THE LATTER WITHOUT BINDING AND THE MAIN TENACE BY SAID LIP OF A PREDETERMINED DOWNWARD PRESSURE ON THE UPPERMOST SHEET REGARDLESS OF THE HEIGHT OF THE STACK OF NUMBER OF SHEET IN IT.
Claim 2
Dependent Claim
136 words
IN SHEET FEEDING MECHANISM HAVING A TABLE FOR SUPPORTING A STACK OF SHEETS ADVANCING MEANS FOR URGING THE UPPERMOST SHEET OF A STACK FORWARDLY, SHEET GUIDING, RESTRAINING AND RELEASING MEANS, COMPRISING ABUTMENT STOP MEANS FOR ENGAGING A FORWARD EDGE OF THE SHEET, A SINGLE SHEET RELEASING LIP OVERLYING AND ENGAGEABLE WITH A FORWARD CORNER OF THE UPPERMOST SHEET IN A STACK, AND A SIDE RAIL INTEGRALLY RELATED TO SAID LIP AND EXTENDING DOWNWARDLY TO SAID TABLE FOR GUIDINGLY ENGAGING AN EDGE OF THE SHEET IN A STACK AND PIVOTALLY SUPPORTED BY THE TABLE REARWARDLY OF SAID LIP TO ENABLE VERTI CAL MOVEMENT OF THE LATTER WITHOUT BINDING AND THE MAIN TENACE BY SAID LIP OF A PREDETERMINED DOWNWARD PRESSURE ON THE UPPERMOST SHEET REGARDLESS OF THE HEIGHT OF THE STACK OF NUMBER OF SHEET IN IT.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |