US3301975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing device for detecting a sheet on a transport or drum
Assignee: Xerox Corp
•
Filing: 1965-10-07
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Granted: 1967-01-31
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Camp
- 👤 Albert S Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:37
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/70; G03G15/706; B; B65; B65H; B65H7/00; B65H7/02; B65H7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A MACHINE INCLUDING A DRUM, A SENSING DEVICE FOR DETECTING A SHEET THAT IS BEING TRANSPORTED IN A PATH OF MOVEMENT BY THE DRUM INCLUDING: A BASE MOUNTED ADJACENT THE DRUM; A CONNECTING ARM PIVOTALLY CONNECTED TO THE BASE; A SWITCH MOUNTED ON THE BASE OPERABLE BY THE CONNECTING ARM; A SENSING ARM MOUNTED ON THE CONNECTING ARM IN SLIDING CONTACT WITH THE DRUM TO SENSE THE PRESENCE OF THE SHEET; MEANS PIVOTALLY MOUNTING THE SENSING ARM TO THE CONNECTING ARM; MEANS ASSOCIATED WITH THE SENSING ARM TO FORCE THE SENSING ARM INTO THE PATH OF MOVEMENT OF THE SHEET; SAID SENSING ARM OPERABLE BY THE SHEET TO MOVE THE CONNECTING ARM WHICH IS OPERABLE TO ACTUATE SAID SWITCH TO SHUT DOWN THE MACHINE.
Claim 2
Dependent Claim
125 words
IN A MACHINE INCLUDING A DRUM, A SENSING DEVICE FOR DETECTING A SHEET THAT IS BEING TRANSPORTED IN A PATH OF MOVEMENT BY THE DRUM INCLUDING: A BASE MOUNTED ADJACENT THE DRUM; A CONNECTING ARM PIVOTALLY CONNECTED TO THE BASE; A SWITCH MOUNTED ON THE BASE OPERABLE BY THE CONNECTING ARM; A SENSING ARM MOUNTED ON THE CONNECTING ARM IN SLIDING CONTACT WITH THE DRUM TO SENSE THE PRESENCE OF THE SHEET; MEANS PIVOTALLY MOUNTING THE SENSING ARM TO THE CONNECTING ARM; MEANS ASSOCIATED WITH THE SENSING ARM TO FORCE THE SENSING ARM INTO THE PATH OF MOVEMENT OF THE SHEET; SAID SENSING ARM OPERABLE BY THE SHEET TO MOVE THE CONNECTING ARM WHICH IS OPERABLE TO ACTUATE SAID SWITCH TO SHUT DOWN THE MACHINE.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |