US3343460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for joining end caps to a cylinder
Assignee: Individual
•
Filing: 1965-08-20
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Granted: 1967-09-26
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Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Otis V Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:29
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/1423; F15B15/1438; F16; F16J; F16J10/00; F16J10/02; F15B2215/00; F15B2215/30; F15B2215/305; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/4927; Y10T29/49826; Y10T29/49888; Y10T403/00; Y10T403/57; Y10T403/5753
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A LINEAR ACTUATOR OF THE CYLINDER-PISTON TYPE, COMPRISING: A CYLINDER WALL FORMED OF A SECTION OF TUBE OF A GLASS FILAMENT CONSTRUCTION, REINFORCED WITH AN EPOXY RESIN, HAVING FIRST CONTINUOUS AND UNPERFORATED GROOVES FORMED ON ONE OF ITS SURFACES ADJACENT AND TO EACH OF ITS ENDS; END CAPS FOR THE CYLINDER EACH HAVING A DIAMETER FORMED THEREON WHICH IS COMPLEMENTARY TO THE DIAMETER OF THE SURFACE OF THE TUBE WHICH IS GROOVED; SECOND CONTINUOUS AND UNPERFORATED GROOVES FORMED IN THE END CAPS; THE END CAPS BEING DISPOSED IN MATING RELATIONSHIP WITH THE ENDS OF THE TUBES SO THAT THE GROOVES ON THE TUBE AND THE GROOVES ON THE END CAPS ARE IN OPPOSITION TO ONE ANOTHER; EITHER THE FIRST OR SECOND GROOVES BEING DISPLACED FROM THE END OF ITS RESPECTIVE MEMBER BY A DISTANCE LESS THAN THE WIDTH OF THE RESPECTIVE OPPOSED GROOVES; A RESIN FILLING THE SPACE FORMED BY THE GROOVES ON THE TUBE AND THE GROOVES ON THE END CAPS, WHEREBY AN INTIMATE BOND IS FORMED WITH SAID TUBE AND SAID END CAPS; A PISTON MOVABLE WITHIN SAID CYLINDER; AND A ROD CONNECTED TO SAID PISTON AND PASSING THROUGH AN APERTURE IN ONE OF THE END CAPS.
Claim 2
Dependent Claim
199 words
A LINEAR ACTUATOR OF THE CYLINDER-PISTON TYPE, COMPRISING: A CYLINDER WALL FORMED OF A SECTION OF TUBE OF A GLASS FILAMENT CONSTRUCTION, REINFORCED WITH AN EPOXY RESIN, HAVING FIRST CONTINUOUS AND UNPERFORATED GROOVES FORMED ON ONE OF ITS SURFACES ADJACENT AND TO EACH OF ITS ENDS; END CAPS FOR THE CYLINDER EACH HAVING A DIAMETER FORMED THEREON WHICH IS COMPLEMENTARY TO THE DIAMETER OF THE SURFACE OF THE TUBE WHICH IS GROOVED; SECOND CONTINUOUS AND UNPERFORATED GROOVES FORMED IN THE END CAPS; THE END CAPS BEING DISPOSED IN MATING RELATIONSHIP WITH THE ENDS OF THE TUBES SO THAT THE GROOVES ON THE TUBE AND THE GROOVES ON THE END CAPS ARE IN OPPOSITION TO ONE ANOTHER; EITHER THE FIRST OR SECOND GROOVES BEING DISPLACED FROM THE END OF ITS RESPECTIVE MEMBER BY A DISTANCE LESS THAN THE WIDTH OF THE RESPECTIVE OPPOSED GROOVES; A RESIN FILLING THE SPACE FORMED BY THE GROOVES ON THE TUBE AND THE GROOVES ON THE END CAPS, WHEREBY AN INTIMATE BOND IS FORMED WITH SAID TUBE AND SAID END CAPS; A PISTON MOVABLE WITHIN SAID CYLINDER; AND A ROD CONNECTED TO SAID PISTON AND PASSING THROUGH AN APERTURE IN ONE OF THE END CAPS.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |