Patent US3304109A successfully refreshed from Google Patents.
US3304109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint including tapered fastener
Assignee: Hi Shear Corp
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Filing: 1965-04-21
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Granted: 1967-02-14
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Michael M Schuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:03
CPC Classifications
F; F16; F16B; F16B4/00; F16B4/004; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49945; Y10T29/49947; Y10T29/49948; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
237 words
A JOINT COMPRISING A PLURALITY OF OVERLAPPING PLATES AND A HEADED BOLT, SAID PLATES INCLUDING A CONTINUOUS CONICAL TAPERED HOLE EXTENDING THERETHROUGH WITH THE BOLT BEING DISPOSED THEREIN AND WITH THE BOLT BEING SEATED AGAINST THE OUTERMOST PLATE, SAID HOLE HAVING A CENTRAL AXIS AND REFERENCE LATERAL DIMENSIONS, SAID BOLT HAVING AN AXIS AND INCLUDING A SHANK HAVING A CONICAL TAPERED PORTION AND A SECOND PORTION LYING CLOSER TO THE AXIS THAN WOULD A CONTINUATION OF THE TAPERED PORTION, THE SECOND PORTION BEING ADJACENT TO THE HEAD AND SPACING THE CONICAL TAPERED PORTION THEREFROM, THE LATERAL DIMENSIONS OF THE CONICAL TAPERED PORTION HAVING BEEN, WHEN OUT OF THE HOLE, GREATER THAN THE REFERENCE LATERAL DIMENSIONS OF THE HOLE AT THE AXIAL LOCATIONS WHICH WILL BE AXIALLY CONTIGUOUS THERETO WHEN THE BOLT IS SEATED WITH ITS HEAD AGAINST THE OUTERMOST PLATE, WHEREBY IN THE JOINT THE BOLT FORMS WITH THE PLATES AN INTERFERENCE FIT IN WHICH THE AXIALLY ALIGNED LATERAL DIMENSIONS OF THE HOLE AND OF THE TAPERED PORTION OF THE BOLT ARE EQUAL, AT LEAST A PART OF SAID SECOND PORTION BEING SPACED THROUGHOUT ITS PERIPHERY FROM THE SIDEWALL OF SAID HOLE TO FORM A VOID ADJACENT TO THE HEAD AND WITHIN THE HOLE, A WAVE OF MATERIAL DISPLACED BY THE BOLT WHEN THE INTERFENCE FIT WAS FORMED, SAID WAVE PROJECTING INTO THE VOID, AND ENGAGEMENT MEANS ON THE END OF THE SHANK OPPOSITE FROM THE HEAD.
Claim 2
Dependent Claim
237 words
A JOINT COMPRISING A PLURALITY OF OVERLAPPING PLATES AND A HEADED BOLT, SAID PLATES INCLUDING A CONTINUOUS CONICAL TAPERED HOLE EXTENDING THERETHROUGH WITH THE BOLT BEING DISPOSED THEREIN AND WITH THE BOLT BEING SEATED AGAINST THE OUTERMOST PLATE, SAID HOLE HAVING A CENTRAL AXIS AND REFERENCE LATERAL DIMENSIONS, SAID BOLT HAVING AN AXIS AND INCLUDING A SHANK HAVING A CONICAL TAPERED PORTION AND A SECOND PORTION LYING CLOSER TO THE AXIS THAN WOULD A CONTINUATION OF THE TAPERED PORTION, THE SECOND PORTION BEING ADJACENT TO THE HEAD AND SPACING THE CONICAL TAPERED PORTION THEREFROM, THE LATERAL DIMENSIONS OF THE CONICAL TAPERED PORTION HAVING BEEN, WHEN OUT OF THE HOLE, GREATER THAN THE REFERENCE LATERAL DIMENSIONS OF THE HOLE AT THE AXIAL LOCATIONS WHICH WILL BE AXIALLY CONTIGUOUS THERETO WHEN THE BOLT IS SEATED WITH ITS HEAD AGAINST THE OUTERMOST PLATE, WHEREBY IN THE JOINT THE BOLT FORMS WITH THE PLATES AN INTERFERENCE FIT IN WHICH THE AXIALLY ALIGNED LATERAL DIMENSIONS OF THE HOLE AND OF THE TAPERED PORTION OF THE BOLT ARE EQUAL, AT LEAST A PART OF SAID SECOND PORTION BEING SPACED THROUGHOUT ITS PERIPHERY FROM THE SIDEWALL OF SAID HOLE TO FORM A VOID ADJACENT TO THE HEAD AND WITHIN THE HOLE, A WAVE OF MATERIAL DISPLACED BY THE BOLT WHEN THE INTERFENCE FIT WAS FORMED, SAID WAVE PROJECTING INTO THE VOID, AND ENGAGEMENT MEANS ON THE END OF THE SHANK OPPOSITE FROM THE HEAD.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |