US3249221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for securing threaded members and for detecting improperly secured threaded members
Assignee: AT&T Inc
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Filing: 1964-06-22
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Granted: 1966-05-03
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 John J Kennedy
- 👤 Louis A Pojman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:01
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53687
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR SECURING THREADED MEMBERS TO ARTICLES AND FOR AUTOMATICALLY REJECTING ARTICLES WITH IMPROPERLY SECURED THREADED MEMBERS, WHICH APPARATUS COMPRISES: A CONVEYOR FOR ADVANCING ARTICLES ONE AT A TIME WITH THE THREADED MEMBERS PARTIALLY SECURED THERETO TO AND FROM A TIGHTENING STATION; FLUID-DRIVEN MEANS ARRANGED AT THE TIGHTENING STATION FOR SECURING THE THREADED MEMBERS TO THE ARTICLES AND INCLUDING A FLUID-SUPPLY SYSTEM, SAID SECURING MEANS BEING ADJUSTABLE TO STALL AT A PRESCRIBED TORQUE WITH A RESULTANT SURGE IN THE PRESSURE WITHIN THE FLUIDSUPPLY SYSTEM, THE ARTICLES BEING AUTOMATICALLY ADVANCED AWAY FROM THE TIGHTENING STATION BY SAID CONVEYOR AFTER THE SECURING OPERATION; AND MEANS RESPONSIVE TO THE PRESSURE IN THE FLUID-SUPPLY
Claim 2
Dependent Claim
110 words
APPARATUS FOR SECURING THREADED MEMBERS TO ARTICLES AND FOR AUTOMATICALLY REJECTING ARTICLES WITH IMPROPERLY SECURED THREADED MEMBERS, WHICH APPARATUS COMPRISES: A CONVEYOR FOR ADVANCING ARTICLES ONE AT A TIME WITH THE THREADED MEMBERS PARTIALLY SECURED THERETO TO AND FROM A TIGHTENING STATION; FLUID-DRIVEN MEANS ARRANGED AT THE TIGHTENING STATION FOR SECURING THE THREADED MEMBERS TO THE ARTICLES AND INCLUDING A FLUID-SUPPLY SYSTEM, SAID SECURING MEANS BEING ADJUSTABLE TO STALL AT A PRESCRIBED TORQUE WITH A RESULTANT SURGE IN THE PRESSURE WITHIN THE FLUIDSUPPLY SYSTEM, THE ARTICLES BEING AUTOMATICALLY ADVANCED AWAY FROM THE TIGHTENING STATION BY SAID CONVEYOR AFTER THE SECURING OPERATION; AND MEANS RESPONSIVE TO THE PRESSURE IN THE FLUID-SUPPLY
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |