US3078064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-loaded studs
Assignee: Illinois Tool Works Inc
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Filing: 1962-02-26
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Granted: 1963-02-19
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Turnbull Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:32
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A SPRING-LOADED STUD ASSEMBLY COMPRISING; A BODY HAVING A HEAD, AN AXIALLY SPLIT SHANK, AND AN AXIAL BORE; A SLEEVE WITHIN THE BORE WHICH HOLDS THE SHANK IN A SHAPE WHICH IS WIDER AT A DISTANCE FROM THE HEAD THAN IT IS CLOSE TO THE HEAD; A STUD MEMBER WHICH HAS A STUD HEAD AND A SHANK, THE SHANK BEING OF SUFFICIENT LENGTH TO PASS THROUGH THE SLEEVE AND HAVING AT LEAST ONE LATERAL PROJECTION WHICH RESISTS COMPLETE WITHDRAWAL OF THE STUD MEMBER FROM THE SLEEVE BUT PERMITS LIMITED AXIAL MOVEMENT; AND A COMPRESSION SPRING CONFINED BETWEEN SHOULDERS ON THE SLEEVE AND ON THE STUD MEMBER AND URGING THE STUD HEAD TO PROJECT AXIALLY FROM THE HEAD OF THE BODY.
Claim 2
Dependent Claim
120 words
A SPRING-LOADED STUD ASSEMBLY COMPRISING; A BODY HAVING A HEAD, AN AXIALLY SPLIT SHANK, AND AN AXIAL BORE; A SLEEVE WITHIN THE BORE WHICH HOLDS THE SHANK IN A SHAPE WHICH IS WIDER AT A DISTANCE FROM THE HEAD THAN IT IS CLOSE TO THE HEAD; A STUD MEMBER WHICH HAS A STUD HEAD AND A SHANK, THE SHANK BEING OF SUFFICIENT LENGTH TO PASS THROUGH THE SLEEVE AND HAVING AT LEAST ONE LATERAL PROJECTION WHICH RESISTS COMPLETE WITHDRAWAL OF THE STUD MEMBER FROM THE SLEEVE BUT PERMITS LIMITED AXIAL MOVEMENT; AND A COMPRESSION SPRING CONFINED BETWEEN SHOULDERS ON THE SLEEVE AND ON THE STUD MEMBER AND URGING THE STUD HEAD TO PROJECT AXIALLY FROM THE HEAD OF THE BODY.
References Cited (Backward Citations)
US2302590A
Cited
US2657892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |