Patent US3228102A successfully refreshed from Google Patents.
US3228102A
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Hydraulic assembly and disassembly of parts having a heavy interference fit
Assignee: Dresser Industries Inc
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Filing: 1963-10-21
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Granted: 1966-01-11
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Sillett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:05
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/095; B; B23; B23P; B23P11/00; B23P11/02; B23P11/022; F16D2001/0906; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49465; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN AN ARRANGEMENT FOR ASSEMBLING AND DISASSEMBLING MACHINE PARTS HAVING A HEAVY INTERFERENCE FIT, THE COMBINATION OF A TAPERED SHAFT, AN OUTER ELEMENT HAVING A HUB WITH A TAPERED BORE ADAPTED TO BE SEATED ON SAID SHAFT WITH AN INTERFERENCE FIT THEREBETWEEN, AN ANNULAR RECESS AT ONE END OF SAID HUB EXTENDING INTO AND ENLARGING SAID BORE, AN ANNULAR PISTON MOUNTED ON SAID SHAFT ADAPTED TO EXTEND INTO SAID RECESS AND FORMING WITH THE WALL OF SAID RECESS AND THE SURFACE OF SAID SHAFT A HYDRAULIC JACK, A PASSAGE IN SAID HUB IN COMMUNICATION WITH SAID RECESS, SAID PASSAGE BEING ADAPTED TO SUPPLY HYDRAU-
Claim 2
Dependent Claim
104 words
IN AN ARRANGEMENT FOR ASSEMBLING AND DISASSEMBLING MACHINE PARTS HAVING A HEAVY INTERFERENCE FIT, THE COMBINATION OF A TAPERED SHAFT, AN OUTER ELEMENT HAVING A HUB WITH A TAPERED BORE ADAPTED TO BE SEATED ON SAID SHAFT WITH AN INTERFERENCE FIT THEREBETWEEN, AN ANNULAR RECESS AT ONE END OF SAID HUB EXTENDING INTO AND ENLARGING SAID BORE, AN ANNULAR PISTON MOUNTED ON SAID SHAFT ADAPTED TO EXTEND INTO SAID RECESS AND FORMING WITH THE WALL OF SAID RECESS AND THE SURFACE OF SAID SHAFT A HYDRAULIC JACK, A PASSAGE IN SAID HUB IN COMMUNICATION WITH SAID RECESS, SAID PASSAGE BEING ADAPTED TO SUPPLY HYDRAU-
References Cited (Backward Citations)
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |