US3630252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stud fastener assembly with integral lockring
Assignee: Citicorp North America Inc
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Filing: 1970-04-27
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Granted: 1971-12-28
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Expires: 1990-04-27
Abstract
Abstract A stud fastener assembly having both ends thereof threaded and a lockring in slidable but captive engagement between the said threaded ends so that said lockring is not disengageable therefrom and a method of making the same whereby the lockring is slipped onto the stud fastener subsequent to threading one end thereof and thereafter threading the opposite end of said fastener.
Inventors
- 👤 Jose Rosan Sr
- 👤 Jose Rosan Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:33
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
102 words
A stud fastener assembly for installation in workpiece bores, comprising: a cylindrical body, said body provided with external threads and external longitudinally extending serrations positioned on said body between the said external threads of said body; and a lockring provided with external longitudinally extending serrations having crest and roots and internal longitudinally extending serrations also having crests and roots, the latter being interengaged with the external serrations provided by said body, the maximum diameter of the crests of said internal serrations provided by the lockring being less than the minimum diameter across the crests of the external threads provided by said body.
Claim 2
Dependent Claim
102 words
A stud fastener assembly for installation in workpiece bores, comprising: a cylindrical body, said body provided with external threads and external longitudinally extending serrations positioned on said body between the said external threads of said body; and a lockring provided with external longitudinally extending serrations having crest and roots and internal longitudinally extending serrations also having crests and roots, the latter being interengaged with the external serrations provided by said body, the maximum diameter of the crests of said internal serrations provided by the lockring being less than the minimum diameter across the crests of the external threads provided by said body.
Claim 3
Dependent Claim
32 words
A stud fastener assembly as defined in claim 1, wherein the external threads are positioned at opposite ends of the body and the external serrations provided by said body are positioned therebetween.
Claim 4
Dependent Claim
40 words
A stud fastener assembly as defined in claim 2, wherein the maximum diameter across the external longitudinal extending serrations positioned on the body between the external threads are less than the minumum diameter of the crests of said external threads.
Claim 5
Dependent Claim
30 words
A stud fastener assembly as defined in claim 2, wherein the external serrations of the body extEnd to the lead convolution of one of said threads provided by said body.
Claim 6
Dependent Claim
29 words
A stud fastener assembly as defined in claim 4, wherein said external serrations provided by said body extend to the lead convolution of the upper threads of said body.
Claim 7
Dependent Claim
29 words
A stud fastener assembly as described in claim 4, wherein the external serrations provided by said body extend to the lead convolution of both threaded portions of said body.
References Cited (Backward Citations)
US769199A
Cited
US2400348A
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US2788830A
Cited
FR1091566A
Cited
US3215183A
Cited
US3259161A
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US3259163A
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FR1516595A
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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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |