US3198548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck tractor-trailer coupling
Assignee: E D Etnyre and Co
•
Filing: 1962-12-05
•
Granted: 1965-08-03
•
Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harold E Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:23
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0814; B62D53/0842; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A TRUCK TRACTOR-TRAILER COUPLING, THE COMBINATION COMPRISING, A LOWER FIFTH WHEEL MOUNTED AT THE REAR OF THE TRACTOR, AND AN UPPER FIFTH WHEEL ASSEMBLY MOUNTED ON THE TRAILER, SAID ASSEMBLY HAVING A KINGPIN MOUNTED IN A KINGPIN CARRIER ENGAGEABLE WITH SAID LOWER FIFTH WHEEL TO COUPLE SAID TRACTOR AND TRAILER, SAID UPPER FIFTH WHEEL ASSEMBLY INCLUDING A STATIONARY FRAME WITH SAID KINGPIN CARRIER MOUNTED THEREIN FOR SLIDING MOVEMENT RELATIVE TO SAID FRAME, SAID STATIONARY FRAME AND SAID KINGPIN CARRIER BEING LOCKED TOGETHER BY A PLURALITY OF THREADED PINS HAVING TAPERED ENDS, SAID PINS BEING THREADABLY ENGAGED IN A SET OF TAPPED OPENINGS IN SAID STATIONARY FRAME, EACH OF SAID PIN TAPERED ENDS REGISTERING WITH A SELECTED ONE OF A PLURALITY OF TAPERED OPENINGS IN SAID KINGPIN CARRIER TO LOCK IN POSITION THE TRAILER RELATIVE TO THE TRACTOR.
Claim 2
Dependent Claim
138 words
IN A TRUCK TRACTOR-TRAILER COUPLING, THE COMBINATION COMPRISING, A LOWER FIFTH WHEEL MOUNTED AT THE REAR OF THE TRACTOR, AND AN UPPER FIFTH WHEEL ASSEMBLY MOUNTED ON THE TRAILER, SAID ASSEMBLY HAVING A KINGPIN MOUNTED IN A KINGPIN CARRIER ENGAGEABLE WITH SAID LOWER FIFTH WHEEL TO COUPLE SAID TRACTOR AND TRAILER, SAID UPPER FIFTH WHEEL ASSEMBLY INCLUDING A STATIONARY FRAME WITH SAID KINGPIN CARRIER MOUNTED THEREIN FOR SLIDING MOVEMENT RELATIVE TO SAID FRAME, SAID STATIONARY FRAME AND SAID KINGPIN CARRIER BEING LOCKED TOGETHER BY A PLURALITY OF THREADED PINS HAVING TAPERED ENDS, SAID PINS BEING THREADABLY ENGAGED IN A SET OF TAPPED OPENINGS IN SAID STATIONARY FRAME, EACH OF SAID PIN TAPERED ENDS REGISTERING WITH A SELECTED ONE OF A PLURALITY OF TAPERED OPENINGS IN SAID KINGPIN CARRIER TO LOCK IN POSITION THE TRAILER RELATIVE TO THE TRACTOR.
References Cited (Backward Citations)
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Cited
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |