US3153967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expandable roll construction
Assignee: Individual
•
Filing: 1961-10-16
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Granted: 1964-10-27
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Williams
- 👤 Gordon M Ochs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:39
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/243; B65H75/2437; Y; Y10; Y10T; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6606; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN AN EXPANDABLE ROLL MECHANISM; AN ELONGATED HOLLOW SHAFT COMPRISING A CYLINDRICAL WALL HAVING AN INNER CIRCUMFERENTIAL SURFACE DEFINING A HOLLOW INTERIOR FOR THE SHAFT; PLURAL ELONGATED AXIALLY EXTENDING RIGID TUBES, EACH SEPARABLE FROM THE OTHER, DISPOSED WITHIN THE SHAFT AND EQUALLY CIRCUMFERENTIALLY SPACED ABOUT THE AXIS OF THE SHAFT, WITH EACH TUBE HAVING A SIDE PORTION LYING SUBSTANTIALLY TANGENTIALLY WITH RESPECT TO SAID INNER CIRCUMFERENTIAL SURFACE OF SAID SHAFT; FASTENERS ACTUATED EXTERNALLY OF THE SHAFT EXTENDING THROUGH THE WALL OF THE SHAFT AND INTO THE SIDE PORTION OF EACH OF SAID TUBES SECURING TOGETHER THE TUBE AND THE SIDE OF THE SHAFT ADJACENT THE TUBE; AND ELONGATED FLUID EXPANDED HOSE MOUNTED WITHIN EACH TUBE; AXIALLY EXTENDING, ELONGATED CONTACTING MEANS ON THE OUTSIDE OF THE SHAFT RADIALLY OUTWARDLY OF EACH TUBE; AND COMPRESSION-TRANSMITTING MEANS EXTENDING THROUGH SAID SIDE PORTION OF EACH TUBE AND THE WALL OF THE SHAFT CONNECTED TO THE CONTACTING MEANS RADIALLY OUTWARDLY OF THE TUBE, URGED BY THE HOSE WITHIN THE TUBE RADIALLY OUTWARDLY ON EXPANSION OF THE HOSE, THUS TO PRODUCE CORRESPONDING MOVEMENT IN SAID CONTACTING MEANS.
Claim 2
Dependent Claim
181 words
IN AN EXPANDABLE ROLL MECHANISM; AN ELONGATED HOLLOW SHAFT COMPRISING A CYLINDRICAL WALL HAVING AN INNER CIRCUMFERENTIAL SURFACE DEFINING A HOLLOW INTERIOR FOR THE SHAFT; PLURAL ELONGATED AXIALLY EXTENDING RIGID TUBES, EACH SEPARABLE FROM THE OTHER, DISPOSED WITHIN THE SHAFT AND EQUALLY CIRCUMFERENTIALLY SPACED ABOUT THE AXIS OF THE SHAFT, WITH EACH TUBE HAVING A SIDE PORTION LYING SUBSTANTIALLY TANGENTIALLY WITH RESPECT TO SAID INNER CIRCUMFERENTIAL SURFACE OF SAID SHAFT; FASTENERS ACTUATED EXTERNALLY OF THE SHAFT EXTENDING THROUGH THE WALL OF THE SHAFT AND INTO THE SIDE PORTION OF EACH OF SAID TUBES SECURING TOGETHER THE TUBE AND THE SIDE OF THE SHAFT ADJACENT THE TUBE; AND ELONGATED FLUID EXPANDED HOSE MOUNTED WITHIN EACH TUBE; AXIALLY EXTENDING, ELONGATED CONTACTING MEANS ON THE OUTSIDE OF THE SHAFT RADIALLY OUTWARDLY OF EACH TUBE; AND COMPRESSION-TRANSMITTING MEANS EXTENDING THROUGH SAID SIDE PORTION OF EACH TUBE AND THE WALL OF THE SHAFT CONNECTED TO THE CONTACTING MEANS RADIALLY OUTWARDLY OF THE TUBE, URGED BY THE HOSE WITHIN THE TUBE RADIALLY OUTWARDLY ON EXPANSION OF THE HOSE, THUS TO PRODUCE CORRESPONDING MOVEMENT IN SAID CONTACTING MEANS.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |