US3202376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rollstand drive
Assignee: Individual
•
Filing: 1962-11-06
•
Granted: 1965-08-24
•
Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 Orville V Dutro
- 👤 Sherman H Hewson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:48
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/182; B65H23/1825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A ROLLSTAND DRIVE AND CONTROL FOR TURNING A ROLL OF WEB MATERIAL TO FEED THE MATERIAL AT A CONTROLLED RATE AND TENSION, COMPRISING: AN OUTFEED DRIVE ENGAGING THE MATERIA AT A LOCATION SPACED FROM THE ROOL, WHICH OUTFEED DRIVE EXERTS A DEMAND FOR MATERIAL FROM THE ROLLL; SUPPORT MEANS AT LEAST IN PART SUPPORTING THE ROLL, THE ROLL BEING ROTATAABLY SUPPORTED; FRICTION DRIVE MEANS ADAPTED TO CONTACT AND TURN THE ROLL, SAID DRIVE MEANS OPERATING AT A CONSTANT SPEED; ADJUSTMENT MEANS ADAPTED TO VARIABLY ADJUST THE NORMAL FORCE BETWEEN THE ROLL AND THE DRIVE MEANS; A PAIR OF LATERALLY SPACED-APART, FIXED PARALLEL ROLLERS, A MOVABLE SENSING ROLLER; MATERIAL WITHDRAWN FROM THE ROLL PASSING OVER BOTH OF SAID FIXED ROLLERS, AND VOER SAID SENSING ROLLER TO FORM A LOOP BETWEEN THE FIXED ROLLERS, AND THENCE TO THE OUTFEED DRIVE, WHEREBY A DIFFERENCE IN LINEAR SPEED OFMATERIAL AT THE POINT OF DEPARTURE FROM THE ROLL AND AT THE OUTFEED DRIVE CHANGES THE LENGTH OF THE LOOP, AND THEREBY THE POSITION OF SAID SENSING ROLLER; AND CONTROL MEANS RESPONSIVE TO THE POSITIN OF THE SENSING ROLLER FOR
Claim 2
Dependent Claim
184 words
A ROLLSTAND DRIVE AND CONTROL FOR TURNING A ROLL OF WEB MATERIAL TO FEED THE MATERIAL AT A CONTROLLED RATE AND TENSION, COMPRISING: AN OUTFEED DRIVE ENGAGING THE MATERIA AT A LOCATION SPACED FROM THE ROOL, WHICH OUTFEED DRIVE EXERTS A DEMAND FOR MATERIAL FROM THE ROLLL; SUPPORT MEANS AT LEAST IN PART SUPPORTING THE ROLL, THE ROLL BEING ROTATAABLY SUPPORTED; FRICTION DRIVE MEANS ADAPTED TO CONTACT AND TURN THE ROLL, SAID DRIVE MEANS OPERATING AT A CONSTANT SPEED; ADJUSTMENT MEANS ADAPTED TO VARIABLY ADJUST THE NORMAL FORCE BETWEEN THE ROLL AND THE DRIVE MEANS; A PAIR OF LATERALLY SPACED-APART, FIXED PARALLEL ROLLERS, A MOVABLE SENSING ROLLER; MATERIAL WITHDRAWN FROM THE ROLL PASSING OVER BOTH OF SAID FIXED ROLLERS, AND VOER SAID SENSING ROLLER TO FORM A LOOP BETWEEN THE FIXED ROLLERS, AND THENCE TO THE OUTFEED DRIVE, WHEREBY A DIFFERENCE IN LINEAR SPEED OFMATERIAL AT THE POINT OF DEPARTURE FROM THE ROLL AND AT THE OUTFEED DRIVE CHANGES THE LENGTH OF THE LOOP, AND THEREBY THE POSITION OF SAID SENSING ROLLER; AND CONTROL MEANS RESPONSIVE TO THE POSITIN OF THE SENSING ROLLER FOR
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |