US3211895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record sensing mechanism
Assignee: Unisys Corp
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Filing: 1961-06-12
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Granted: 1965-10-12
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Neal R Robbins
- 👤 William E Dell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:57
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; B41J11/42; B41J11/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A SENSING DEVICE FOR SENSING THE TRAILING EDGE OF A TRAVELING RECORD SHEET OR AN EDGE OF A PERFORATION IN A SHEET RESPECTIVELY AS INDICATION OF DIFFERENT LINE FIND DESIGNATIONS COMPRISING A SUPPORTING MEMBER, A SOLENOID INCLUDING A MOVABLE TUBULAR CORE PIVOTALLY MOUNTED ON SAID SUPPORTING MEMBER FOR PIVOTAL MOVEMENT FROM A NORMAL POSITION TO A LINE FIND DESIGNATING POSITION, A SENSING ROD SLIDABLY MOUNTED IN SAID TUBULAR CORE, A SPRING INTERPOSED BETWEEN SAID CORE AND SAID ROD, SAID CORE ON ACTIVATION THEREOF RECTILINEARLY MOVABLE AND THROUGH SAID SPRING MOVING SAID ROD TO A SHEET SENSING POSITION TO POSITION ONE END OF SAID ROD IN CONTACT WITH A FACE OF A MOVING SHEET, SAID ROD ENGAGEABLE BY AN EDGE OF A PERFORATION IN THE SHEET AND TILTED THEREBY TO PIVOT SAID TUBULAR CORE TO THE LINE FIND DESIGNATING POSITION, SAID ROD RECTILINEAR MOVABLE BEYOND SAID SENSING POSITION BY SAID SPRING UPON THE PASSING OF THE TRAILING EDGE OF THE SHEET TO ANOTHER LINE DESIGNATING POSITION.
Claim 2
Dependent Claim
165 words
A SENSING DEVICE FOR SENSING THE TRAILING EDGE OF A TRAVELING RECORD SHEET OR AN EDGE OF A PERFORATION IN A SHEET RESPECTIVELY AS INDICATION OF DIFFERENT LINE FIND DESIGNATIONS COMPRISING A SUPPORTING MEMBER, A SOLENOID INCLUDING A MOVABLE TUBULAR CORE PIVOTALLY MOUNTED ON SAID SUPPORTING MEMBER FOR PIVOTAL MOVEMENT FROM A NORMAL POSITION TO A LINE FIND DESIGNATING POSITION, A SENSING ROD SLIDABLY MOUNTED IN SAID TUBULAR CORE, A SPRING INTERPOSED BETWEEN SAID CORE AND SAID ROD, SAID CORE ON ACTIVATION THEREOF RECTILINEARLY MOVABLE AND THROUGH SAID SPRING MOVING SAID ROD TO A SHEET SENSING POSITION TO POSITION ONE END OF SAID ROD IN CONTACT WITH A FACE OF A MOVING SHEET, SAID ROD ENGAGEABLE BY AN EDGE OF A PERFORATION IN THE SHEET AND TILTED THEREBY TO PIVOT SAID TUBULAR CORE TO THE LINE FIND DESIGNATING POSITION, SAID ROD RECTILINEAR MOVABLE BEYOND SAID SENSING POSITION BY SAID SPRING UPON THE PASSING OF THE TRAILING EDGE OF THE SHEET TO ANOTHER LINE DESIGNATING 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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |