US3149356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic plate cleaning apparatus
Assignee: Xerox Corp
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Filing: 1962-11-01
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Granted: 1964-09-22
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Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Murray
- 👤 Joseph B Stone
- 👤 Franklin S Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/0005; G03G21/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A WEB CLEANING APPARATUS FOR USE IN CLEANING XEROGRAPHIC PLATES INCLUDING A PAIR OF SUPPORT FRAME MEMBERS, A PAIR OF BEARING PLATES PIVOTALLY CONNECTED TO SAID FRAME MEMBERS, A DRIVE ROLL JOURNALED FOR ROTATION IN SAID FRAME MEMBERS TO MOVE A XEROGRAPHIC PLATE BETWEEN THE FRAME MEMBERS, A CLEANING ROLL JOURNALED FOR ROTATION IN THE BEARING PLATES AND POSITIONED ADJACENT TO THE DRIVE ROLL, SAID CLEANING ROLL ADAPTED TO FORCE A WEB OF CLEANING MATERIAL INTO CONTACT WITH THE SURFACE OF A XEROGRAPHIC PLATE AS THE PLATE PASSES BETWEEN THE CLEANING ROLL AND THE DRIVE ROLL, ADJUSTING MEANS TO PIVOT SAID BEARING PLATES RELATIVE TO SAID FRAME MEMBERS TO CHANGE THE SPACING BETWEEN THE CLEANING ROLL AND THE DRIVE ROLL, MEANS TO ROTATE SAID DRIVE ROLL TO PRODUCE MOVEMENT OF A XEROGRAPHIC PLATE, AND MEANS TO ROTATE SAID CLEANING ROLL TO PRESENT CLEAN WEB MATERIAL TO THE PLATE SURFACE DURING PASSAGE OF THE PLATE BETWEEN THE CLEANING ROLL AND THE DRIVE ROLL.
Claim 2
Dependent Claim
162 words
A WEB CLEANING APPARATUS FOR USE IN CLEANING XEROGRAPHIC PLATES INCLUDING A PAIR OF SUPPORT FRAME MEMBERS, A PAIR OF BEARING PLATES PIVOTALLY CONNECTED TO SAID FRAME MEMBERS, A DRIVE ROLL JOURNALED FOR ROTATION IN SAID FRAME MEMBERS TO MOVE A XEROGRAPHIC PLATE BETWEEN THE FRAME MEMBERS, A CLEANING ROLL JOURNALED FOR ROTATION IN THE BEARING PLATES AND POSITIONED ADJACENT TO THE DRIVE ROLL, SAID CLEANING ROLL ADAPTED TO FORCE A WEB OF CLEANING MATERIAL INTO CONTACT WITH THE SURFACE OF A XEROGRAPHIC PLATE AS THE PLATE PASSES BETWEEN THE CLEANING ROLL AND THE DRIVE ROLL, ADJUSTING MEANS TO PIVOT SAID BEARING PLATES RELATIVE TO SAID FRAME MEMBERS TO CHANGE THE SPACING BETWEEN THE CLEANING ROLL AND THE DRIVE ROLL, MEANS TO ROTATE SAID DRIVE ROLL TO PRODUCE MOVEMENT OF A XEROGRAPHIC PLATE, AND MEANS TO ROTATE SAID CLEANING ROLL TO PRESENT CLEAN WEB MATERIAL TO THE PLATE SURFACE DURING PASSAGE OF THE PLATE BETWEEN THE CLEANING ROLL AND THE DRIVE ROLL.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |