Patent US3242818A successfully refreshed from Google Patents.
US3242818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible adapter
Assignee: Individual
•
Filing: 1964-02-10
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Granted: 1966-03-29
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Kastler Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:11
CPC Classifications
G; G05; G05G; G05G23/00; B; B23; B23B; B23B31/00; B23B31/40; B23B31/4073; B23C; B23C5/00; B23C5/26; G05G2700/00; G05G2700/02; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
AN EXPANSIBLE ADAPTER, PARTICULARLY FOR ELIMINATING AXIAL PLAY OF RING-SHAPED COMPONENTS ON A ROD LIKE CARRIER, COMPRISING AN ANNULAR CYLINDER MEMBER HAVING AN AXIAL HOLE BOUNDED BY A SURFACE WHICH IS FREE OF THREADS, AN END FACE IS PROVIDED WITH AN ANNULAR CHAMBER ARRANGED TO ACCOMODATE A SUPPLY OF HYDRAULIC FLUID, A PLURALITY OF DUCTS COMMUNICATING WITH SAID CHAMBER AND EXTENDING AXIALLY OF SAID CYLINDER MEMBER IN A DIRECTION AWAY FROM SAID END FACE, AND A PLURALITY OF RADIALLY EXTENDING OPENINGS COMMUNICATING WITH SAID DUCTS, SAID CYLINDER MEMBER FURTHER COMPRISING THREADED PORTIONS SURROUNDING SAID OPENINGS; AN ANNULAR PISTON MEMBER ADJACET TO SAID END FACE, SAID PISTON MEMBER HAVING AN AXIAL HOLE BOUNDED BY A SURFACE WHICH IS FREE OF THREADS AND COMPRISING AN ANNULAR PORTION SEALINGLY EXTENDING INTO SAID CHAMBER TO PREVENT ESCAPE OF HYDRAULIC FLUID, SAID PISTON MEMBER BEING MOVABLE WITH RESPECT TO SAID CYLINDER MEMBER IN RESPONSE TO INCREASING PRESSURE OF FLUID IN SAID CHAMBER AND CONTROL MEANS FOR INCREASING THE PRESSURE OF THE FLUID IN SAID CHAMBER SO AS TO MOVE ONE OF SAID MEMBERS AXIALLY OF AND AWAY FROM THE OTHER MEMBER, SAID CONTROL MEANS COMPRISING A PLUNGER RECIPROCALLY RECEIVED IN EACH OF SAID OPENINGS AND ACTUATING MEANS INCLUDING SCREWS MESHING WITH SAID THREADED PORTIONS AND ARRANGED TO MOVE THE RESPECTIVE PLUNGERS WITH REFERENCE TO SAID CYLINDER MEMBER.
Claim 2
Dependent Claim
222 words
AN EXPANSIBLE ADAPTER, PARTICULARLY FOR ELIMINATING AXIAL PLAY OF RING-SHAPED COMPONENTS ON A ROD LIKE CARRIER, COMPRISING AN ANNULAR CYLINDER MEMBER HAVING AN AXIAL HOLE BOUNDED BY A SURFACE WHICH IS FREE OF THREADS, AN END FACE IS PROVIDED WITH AN ANNULAR CHAMBER ARRANGED TO ACCOMODATE A SUPPLY OF HYDRAULIC FLUID, A PLURALITY OF DUCTS COMMUNICATING WITH SAID CHAMBER AND EXTENDING AXIALLY OF SAID CYLINDER MEMBER IN A DIRECTION AWAY FROM SAID END FACE, AND A PLURALITY OF RADIALLY EXTENDING OPENINGS COMMUNICATING WITH SAID DUCTS, SAID CYLINDER MEMBER FURTHER COMPRISING THREADED PORTIONS SURROUNDING SAID OPENINGS; AN ANNULAR PISTON MEMBER ADJACET TO SAID END FACE, SAID PISTON MEMBER HAVING AN AXIAL HOLE BOUNDED BY A SURFACE WHICH IS FREE OF THREADS AND COMPRISING AN ANNULAR PORTION SEALINGLY EXTENDING INTO SAID CHAMBER TO PREVENT ESCAPE OF HYDRAULIC FLUID, SAID PISTON MEMBER BEING MOVABLE WITH RESPECT TO SAID CYLINDER MEMBER IN RESPONSE TO INCREASING PRESSURE OF FLUID IN SAID CHAMBER AND CONTROL MEANS FOR INCREASING THE PRESSURE OF THE FLUID IN SAID CHAMBER SO AS TO MOVE ONE OF SAID MEMBERS AXIALLY OF AND AWAY FROM THE OTHER MEMBER, SAID CONTROL MEANS COMPRISING A PLUNGER RECIPROCALLY RECEIVED IN EACH OF SAID OPENINGS AND ACTUATING MEANS INCLUDING SCREWS MESHING WITH SAID THREADED PORTIONS AND ARRANGED TO MOVE THE RESPECTIVE PLUNGERS WITH REFERENCE TO SAID CYLINDER MEMBER.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |