US3136539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet handling
Assignee: Individual
•
Filing: 1962-12-03
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Granted: 1964-06-09
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Lyman Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:52
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/22; B65H5/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
IN A SHEET HANDLING MEANS; A FIRST STATIONARY GUIDE MEMBER HAVING A GUIDE SURFACE FORMED THEREON, AIR CONDUIT MEANS FOR DIRECTING A LAYER OF MOVING AIR OVER SAID GUIDE SURFACE SO THAT EACH OF A PLURALITY OF SHEETS MAY BE THEREBY TRANSPORTED ALONG A PREDETERMINED SHEET FEED PATH DETERMINED BY SAID GUIDE SURFACE, MEANS POSITIONED ADJACENT THE DOWNSTREAM END OF SAID GUIDE SURFACE FOR INTERFERING WITH THE SAID TRANSPORTING MOVEMENT OF EACH SHEET AS THE LATTER MOVES ALONG SAID PATH, A SECOND STATIONARY GUIDE MEMBER HAVING A GUIDE SURFACE FORMED THEREON, AN INITIAL PORTION OF THE SECOND MENTIONED GUIDE SURFACE BEING LATERALLY OFFSET FROM SAID DOWNSTREAM END OF SAID FIRST MENTIONED GUIDE SURFACE WHEREBY THE LEADING END OF EACH SHEET FED OVER THE FIRST MENTIONED GUIDE SURFACE MAY BE DEFLECTED ONTO THE SECOND MENTIONED GUIDE SURFACE, AIR CONDUIT MEANS FOR DIRECTING A LAYER OF AIR ALONG THE SECOND MENTIONED GUIDE SURFACE SO AS TO BE CAPABLE OF EFFECTING SAID DEFLECTION OF THE LEADING END OF EACH SHEET FROM SAID FIRST MENTIONED GUIDE SURFACE TO SAID SECOND MENTIONED GUIDE SURFACE AND TO TRANSPORT EACH DEFLECTED SHEET ALONG SAID SECOND MENTIONED SURFACE, AND CONTROL MEANS OPERATED IN PREDETERMINED SEQUENCE FOR INITIATING AND TERMINATING THE FLOW OF AIR THROUGH AT LEAST ONE OF SAID AIR CONDUIT MEANS SO THAT EACH SHEET MAY BE TRANSPORTED ALONG SAID FIRST MENTIONED GUIDE SURFACE AND THEN ALONG SAID SECOND MENTIONED GUIDE SURFACE.
Claim 2
Dependent Claim
235 words
IN A SHEET HANDLING MEANS; A FIRST STATIONARY GUIDE MEMBER HAVING A GUIDE SURFACE FORMED THEREON, AIR CONDUIT MEANS FOR DIRECTING A LAYER OF MOVING AIR OVER SAID GUIDE SURFACE SO THAT EACH OF A PLURALITY OF SHEETS MAY BE THEREBY TRANSPORTED ALONG A PREDETERMINED SHEET FEED PATH DETERMINED BY SAID GUIDE SURFACE, MEANS POSITIONED ADJACENT THE DOWNSTREAM END OF SAID GUIDE SURFACE FOR INTERFERING WITH THE SAID TRANSPORTING MOVEMENT OF EACH SHEET AS THE LATTER MOVES ALONG SAID PATH, A SECOND STATIONARY GUIDE MEMBER HAVING A GUIDE SURFACE FORMED THEREON, AN INITIAL PORTION OF THE SECOND MENTIONED GUIDE SURFACE BEING LATERALLY OFFSET FROM SAID DOWNSTREAM END OF SAID FIRST MENTIONED GUIDE SURFACE WHEREBY THE LEADING END OF EACH SHEET FED OVER THE FIRST MENTIONED GUIDE SURFACE MAY BE DEFLECTED ONTO THE SECOND MENTIONED GUIDE SURFACE, AIR CONDUIT MEANS FOR DIRECTING A LAYER OF AIR ALONG THE SECOND MENTIONED GUIDE SURFACE SO AS TO BE CAPABLE OF EFFECTING SAID DEFLECTION OF THE LEADING END OF EACH SHEET FROM SAID FIRST MENTIONED GUIDE SURFACE TO SAID SECOND MENTIONED GUIDE SURFACE AND TO TRANSPORT EACH DEFLECTED SHEET ALONG SAID SECOND MENTIONED SURFACE, AND CONTROL MEANS OPERATED IN PREDETERMINED SEQUENCE FOR INITIATING AND TERMINATING THE FLOW OF AIR THROUGH AT LEAST ONE OF SAID AIR CONDUIT MEANS SO THAT EACH SHEET MAY BE TRANSPORTED ALONG SAID FIRST MENTIONED GUIDE SURFACE AND THEN ALONG SAID SECOND MENTIONED GUIDE SURFACE.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |