Patent US3222977A successfully refreshed from Google Patents.
US3222977A
Expired / Lapsed
US
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Three piece blind fastener
Assignee: Individual
•
Filing: 1963-11-05
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Granted: 1965-12-14
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Rudolph M Vaughn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:26
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A THREE PIECE BIND FASTENER UNIT COMPRISING, IN COMBINATION: A BOLT, AN ELONGATED NUT, AND A SLEEVE, SAID BOLT HAVING AN ENLARGED HEAD DEFINING AN ANNULAR SHOULDER FACING TOWARDS THE END OF SAID BOLT, SAID NUT COMPRISING AN ELONGATED TUBULAR MEMBER WITH INTERNAL THREADS FOR THREADING TO SAID BOLT, AND SAID SLEEVE COMPRISING A TUBULAR MEMBER HAVING EXTERIOR CHAMFERED ENDS, WHEREBY SAID SLEEVE MAY BE TELESCOPED OVER SAID BOLT SO THAT ONE OF SAID CHAMFERED ENDS ENGAGES SAID ANNULAR SHOULDER, AND SAID NUT THREADED UP ON SAID BOLT UNTIL IT ENGAGES UNDER THE OPPOSITE CHAMBERED END OF SAID SLEEVE, AND THE ASSEMBLED UNIT PASSED THROUGH REGISTERED OPENINGS IN FIRST AND SECOND MEMBERS TO BE FASTENED TOGETHER, FURTHER THREADING OF SAID NUT CAUSING SAID SLEEVE TO EXPAND OVER
Claim 2
Dependent Claim
127 words
A THREE PIECE BIND FASTENER UNIT COMPRISING, IN COMBINATION: A BOLT, AN ELONGATED NUT, AND A SLEEVE, SAID BOLT HAVING AN ENLARGED HEAD DEFINING AN ANNULAR SHOULDER FACING TOWARDS THE END OF SAID BOLT, SAID NUT COMPRISING AN ELONGATED TUBULAR MEMBER WITH INTERNAL THREADS FOR THREADING TO SAID BOLT, AND SAID SLEEVE COMPRISING A TUBULAR MEMBER HAVING EXTERIOR CHAMFERED ENDS, WHEREBY SAID SLEEVE MAY BE TELESCOPED OVER SAID BOLT SO THAT ONE OF SAID CHAMFERED ENDS ENGAGES SAID ANNULAR SHOULDER, AND SAID NUT THREADED UP ON SAID BOLT UNTIL IT ENGAGES UNDER THE OPPOSITE CHAMBERED END OF SAID SLEEVE, AND THE ASSEMBLED UNIT PASSED THROUGH REGISTERED OPENINGS IN FIRST AND SECOND MEMBERS TO BE FASTENED TOGETHER, FURTHER THREADING OF SAID NUT CAUSING SAID SLEEVE TO EXPAND OVER
References Cited (Backward Citations)
CA633370A
Cited
US2298203A
Cited
GB681974A
Cited
GB684821A
Cited
US2765699A
Cited
GB898026A
Cited
US3129630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |