US3220347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic web tension-web speed and web length compensation control system
Assignee: Harris Graphics Corp
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Filing: 1964-02-14
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Granted: 1965-11-30
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hans J Luehrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:35
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02; B41F13/025; D; D21; D21F; D21F1/00; D21F1/36; D21F1/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A VARIABLE SPEED DRIVE COMPRISING A HARD SURFACED DRIVING ROLL, MEANS FOR DRIVING SAME, A HARD SURFACED DRIVEN ROLL, A RESILIENT DEFORMABLE SURFACED ROLL INTERPOSED BETWEEN AND IN DEFORMABLE CONTACT WITH SAID HARD SURFACED ROLLS, MEANS IN EQUILIBRIUM AND SUBJECTED TO OPPOSING FORCES AND OTHER MEANS INTERCONNECTED THEREWITH AND ACTUATED THEREBY AT ANY CHANGE IN SAID FORCES ON SAID FIRST MEANS FOR CHANGING THE CONTACT OF THE RESILIENT DEFORMABLE SURFACED ROLL WITH BOTH HARD SURFACED ROLLS AND DEFLECTING THE DEFORMABLE SURFACE WHEREBY THE DEFLECTION OF THE RESILIENT DEFORMABLE SURFACE AT THE CONTACTS WITH THE HARD SURFACED ROLLS DETERMINES THE SPEED OF THE SECOND HARD SURFACED ROLL.
Claim 2
Dependent Claim
106 words
A VARIABLE SPEED DRIVE COMPRISING A HARD SURFACED DRIVING ROLL, MEANS FOR DRIVING SAME, A HARD SURFACED DRIVEN ROLL, A RESILIENT DEFORMABLE SURFACED ROLL INTERPOSED BETWEEN AND IN DEFORMABLE CONTACT WITH SAID HARD SURFACED ROLLS, MEANS IN EQUILIBRIUM AND SUBJECTED TO OPPOSING FORCES AND OTHER MEANS INTERCONNECTED THEREWITH AND ACTUATED THEREBY AT ANY CHANGE IN SAID FORCES ON SAID FIRST MEANS FOR CHANGING THE CONTACT OF THE RESILIENT DEFORMABLE SURFACED ROLL WITH BOTH HARD SURFACED ROLLS AND DEFLECTING THE DEFORMABLE SURFACE WHEREBY THE DEFLECTION OF THE RESILIENT DEFORMABLE SURFACE AT THE CONTACTS WITH THE HARD SURFACED ROLLS DETERMINES THE SPEED OF THE SECOND HARD SURFACED 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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |