US3191952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm chuck
Assignee: MORAWSKI LONDON T TRUSTEE UNDER LIVING TRUST AGREEMENT
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Filing: 1963-07-05
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Granted: 1965-06-29
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 London T Morawski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:44
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/32; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1986; Y10T279/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
341 words
IN A DIAPHRAGM CHUCK OF THE TYPE HAVING A FLEXIBLE DIAPHRAGM RIGIDLY SECURED TO A FIXED BACKING MEMBER, THAT IMPROVEMENT WHICH COMPRISES A PLURALITY OF RADIALLY EXTENDING JAW ASSEMBLIES MOUNTED ON THE DIAPHRAGM IN CIRCUMFERENTIALLY SPACED RELATION, EACH JAW ASSEMBLY COMPRISING A JAW BASE AND A JAW ON SAID BASE, EACH JAW BASE HAVING THE AXIALLY INNER FACE THEREOF FUSION-BONDED TO THE AXIALLY OUTER FACE OF THE DIAPHRAGM SO AS TO PREVENT EVEN MINUTE DISPLACEMENT OF THE JAW BASE RELATIVE TO THE DIAPHRAGM WHEN THE DIAPHRAGM FLEXES TO CLOSE SAID JAW ASSEMBLIES, THE AXIALLY OUTER FACE OF EACH JAW BASE HAVING A DOVETAIL SLOT THEREIN EXTENDING LENGTHWISE THEREOF AND TERMINATING AT THE SAID AXIALLY OUTER FACE OF THE JAW BASE IN A RADIALLY EXTENDING GROOVE, THE SIDE FACES OF SAID GROOVE LYING IN PLANES PARALLEL TO AN AXIAL PLANE EXTENDING CENTRALLY THROUGH THE DOVETAIL SLOT, SAID AXIALLY OUTER FACE OF THE JAW BASE HAVING A PLURALITY OF SERRATIONS THEREON ON OPPOSITE SIDES OF SAID GROOVE, SAID SERRATION EXTENDING NORMAL TO THE GROOVE, EACH JAW HAVING SIMILAR SERRATIONS ON ITS AXIALLY INNER FACE EXTENDING IN A DIRECTION NORMAL TO ITS LENGTH AND IN MATING ENGAGEMENT WITH THE SERRATIONS ON THE JAW BASE TO PREVENT RELATIVE MOVEMENT OF EACH JAW AND ITS BASE IN A RADIAL DIRECTION, EACH JAW ALSO HAVING ON THE AXIALLY INNER FACE THEREOF A GENERALLY RECTANGULARY SHAPED KEY PROJECTING INTO SAID GROOVE, SAID KEY HAVING STRAIGHT SIDES WHICH HAVE A CLOSE FIT WITH THE SIDE FACES OF SAID GROOVE TO PREVENT RELATIVE MOVEMENT OF THE JAW BASE AND JAW IN A DIRECTION NORMAL TO THE GROOVE, AN ANCHOR MEMBER IN SAID DOVETAIL SLOT, SAID ANCHOR MEMBER HAVING CONVERGING SIDE FACES IN COPLANAR ENGAGEMENT WITH THE INCLINED SIDE FACES FO THE DOVETAIL SLOT AND THREADED MEMBERS EXTENDING THROUGH EACH JAW INTO THREADED ENGAGEMENT WITH THE ANCHOR MEMBER IN ITS RESPECTIVE JAW BASE FOR TIGHTLY CLAMPING THE ANCHOR MEMBER AGAINST THE INCLINED FACES OF THE DOVETAIL SLOT AND SERRATED FACES OF THE JAW AGAINST THE SERRATED FACES OF THE JAW BASE.
Claim 2
Dependent Claim
341 words
IN A DIAPHRAGM CHUCK OF THE TYPE HAVING A FLEXIBLE DIAPHRAGM RIGIDLY SECURED TO A FIXED BACKING MEMBER, THAT IMPROVEMENT WHICH COMPRISES A PLURALITY OF RADIALLY EXTENDING JAW ASSEMBLIES MOUNTED ON THE DIAPHRAGM IN CIRCUMFERENTIALLY SPACED RELATION, EACH JAW ASSEMBLY COMPRISING A JAW BASE AND A JAW ON SAID BASE, EACH JAW BASE HAVING THE AXIALLY INNER FACE THEREOF FUSION-BONDED TO THE AXIALLY OUTER FACE OF THE DIAPHRAGM SO AS TO PREVENT EVEN MINUTE DISPLACEMENT OF THE JAW BASE RELATIVE TO THE DIAPHRAGM WHEN THE DIAPHRAGM FLEXES TO CLOSE SAID JAW ASSEMBLIES, THE AXIALLY OUTER FACE OF EACH JAW BASE HAVING A DOVETAIL SLOT THEREIN EXTENDING LENGTHWISE THEREOF AND TERMINATING AT THE SAID AXIALLY OUTER FACE OF THE JAW BASE IN A RADIALLY EXTENDING GROOVE, THE SIDE FACES OF SAID GROOVE LYING IN PLANES PARALLEL TO AN AXIAL PLANE EXTENDING CENTRALLY THROUGH THE DOVETAIL SLOT, SAID AXIALLY OUTER FACE OF THE JAW BASE HAVING A PLURALITY OF SERRATIONS THEREON ON OPPOSITE SIDES OF SAID GROOVE, SAID SERRATION EXTENDING NORMAL TO THE GROOVE, EACH JAW HAVING SIMILAR SERRATIONS ON ITS AXIALLY INNER FACE EXTENDING IN A DIRECTION NORMAL TO ITS LENGTH AND IN MATING ENGAGEMENT WITH THE SERRATIONS ON THE JAW BASE TO PREVENT RELATIVE MOVEMENT OF EACH JAW AND ITS BASE IN A RADIAL DIRECTION, EACH JAW ALSO HAVING ON THE AXIALLY INNER FACE THEREOF A GENERALLY RECTANGULARY SHAPED KEY PROJECTING INTO SAID GROOVE, SAID KEY HAVING STRAIGHT SIDES WHICH HAVE A CLOSE FIT WITH THE SIDE FACES OF SAID GROOVE TO PREVENT RELATIVE MOVEMENT OF THE JAW BASE AND JAW IN A DIRECTION NORMAL TO THE GROOVE, AN ANCHOR MEMBER IN SAID DOVETAIL SLOT, SAID ANCHOR MEMBER HAVING CONVERGING SIDE FACES IN COPLANAR ENGAGEMENT WITH THE INCLINED SIDE FACES FO THE DOVETAIL SLOT AND THREADED MEMBERS EXTENDING THROUGH EACH JAW INTO THREADED ENGAGEMENT WITH THE ANCHOR MEMBER IN ITS RESPECTIVE JAW BASE FOR TIGHTLY CLAMPING THE ANCHOR MEMBER AGAINST THE INCLINED FACES OF THE DOVETAIL SLOT AND SERRATED FACES OF THE JAW AGAINST THE SERRATED FACES OF THE JAW BASE.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |