US3259407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock for telescoping tubes
Assignee: WELT/SAFE-LOCK Inc A CORP OF FL
•
Filing: 1963-08-28
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Granted: 1966-07-05
•
Expires: 1983-08-28
Abstract
No abstract record available.
Inventors
- 👤 David I Welt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:03
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1427; F16M11/02; F16M11/04; F16M11/06; F16M11/08; F16M11/2007; F16M11/2021; F16M11/2028; F16M11/2035; F16M11/2064; F16M11/28; F16M11/32; F16M2200/00; F16M2200/02; F16M2200/025; F16M2200/027; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN A TELESCOPING TUBE SYSTEM; AN OUTER TUBE AND AN INNER TUBE, SAID INNER TUBE INCLUDING A SUPPORT ELEMENT RIGIDLY SUPPORTED ON THE INNER END AND HAVING AN ECCENTRIC BORE OF AN AXIS PARALLEL TO THE CENTRAL AXIS OF THE TUBE; A ROTARY CAM INCLUDING A RESILIENT BODY AND A RELATIVELY THIN RESILIENT METALLIC SLEEVE ROTATABLY CARRIED ON ITS PERIPHERY, THE BODY OF SAID CAM HAVING AN ECCENTRIC BORE OF COMMON ECCENTRICITY TO THAT OF THE ELEMENT; AND MEANS IN THE BORES TO CONNECT THE CAM EXTERIORLY OF THE INNER TUBE FOR MOVEMENT OF TRANSLATION WITH SAID INNER TUBE AND FOR MOVEMENT OF ROTATION ABOUT THE AXIS OF ALIGNMENT OF SAID BORES, THE SAID CAM BEING SIZED SO AS TO BE SLIDEABLE IN THE OUTER TUBE AND ROTATABLE ABOUT THE AXIS OF ALIGNMENT TO A POSITION WHEREIN THE BODY IS ROTATABLE IN THE SLEEVE AND THE SLEEVE IS TRAPPED BETWEEN THE BODY AND THE WALL OF THE OUTER TUBE TO A POSITION OF TIGHT WEDGING RELATION OF THE BODY AGAINST THE SLEEVE SO THAT THE CAM RESTRAINS RELATIVE MOVEMENT OF THE MEMBERS.
Claim 2
Dependent Claim
182 words
IN A TELESCOPING TUBE SYSTEM; AN OUTER TUBE AND AN INNER TUBE, SAID INNER TUBE INCLUDING A SUPPORT ELEMENT RIGIDLY SUPPORTED ON THE INNER END AND HAVING AN ECCENTRIC BORE OF AN AXIS PARALLEL TO THE CENTRAL AXIS OF THE TUBE; A ROTARY CAM INCLUDING A RESILIENT BODY AND A RELATIVELY THIN RESILIENT METALLIC SLEEVE ROTATABLY CARRIED ON ITS PERIPHERY, THE BODY OF SAID CAM HAVING AN ECCENTRIC BORE OF COMMON ECCENTRICITY TO THAT OF THE ELEMENT; AND MEANS IN THE BORES TO CONNECT THE CAM EXTERIORLY OF THE INNER TUBE FOR MOVEMENT OF TRANSLATION WITH SAID INNER TUBE AND FOR MOVEMENT OF ROTATION ABOUT THE AXIS OF ALIGNMENT OF SAID BORES, THE SAID CAM BEING SIZED SO AS TO BE SLIDEABLE IN THE OUTER TUBE AND ROTATABLE ABOUT THE AXIS OF ALIGNMENT TO A POSITION WHEREIN THE BODY IS ROTATABLE IN THE SLEEVE AND THE SLEEVE IS TRAPPED BETWEEN THE BODY AND THE WALL OF THE OUTER TUBE TO A POSITION OF TIGHT WEDGING RELATION OF THE BODY AGAINST THE SLEEVE SO THAT THE CAM RESTRAINS RELATIVE MOVEMENT OF THE MEMBERS.
References Cited (Backward Citations)
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US808992A
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US2459785A
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US2432059A
Cited
US2526415A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |