Patent US3339941A successfully refreshed from Google Patents.
US3339941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock for sliding fifth-wheel trunnions
Assignee: Individual
•
Filing: 1965-05-07
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Granted: 1967-09-05
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Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Ray A Braunberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:15
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN FLUID OPERATED MEANS FOR LOCKING IN POSITION A TRUNNION SUPPORT WHICH SLIDES ALONG TRACKS ON A FIFTH WHEEL, TWO PLUNGERS EXTENDING THRU OPPOSITE HOLES IN SAID TRUNNION SUPPORT THAT ARE ADAPTED TO BE MOVED INTO HOLES IN THE FIFTH WHEEL, A FLUID OPERATED CYLINDER CONNECTED TO ONE OF SAID PLUNGERS, A PISTON IN SAID CYLINDER WHOSE PISTON ROD IS CONNECTED TO THE OTHER OF SAID PLUNGERS, A CROSS TRACK ON SAID TRUNNION SUPPORT LOCATED BELOW THE CYLINDER, A CRADLE SUPPORTING SAID CYLINDER MOVABLE ALONG SAID CROSS TRACK, STOPS LIMITING THE MOVEMENT OF SAID CRADLE ALONG SAID CROSS TRACK VERTICAL PROJECTIONS EXTENDING UPWARD FROM SAID CRADLE WHICH ENGAGE BOTH ENDS OF SAID CYLINDER AT THE LEVEL OF THE PISTON WHICH TRANSMIT THE IMPACT WHEN THE CRADLE ENGAGES THE STOP TO THE CYLINDER WITHOUT STRAIN ON THE PISTON.
Claim 2
Dependent Claim
137 words
IN FLUID OPERATED MEANS FOR LOCKING IN POSITION A TRUNNION SUPPORT WHICH SLIDES ALONG TRACKS ON A FIFTH WHEEL, TWO PLUNGERS EXTENDING THRU OPPOSITE HOLES IN SAID TRUNNION SUPPORT THAT ARE ADAPTED TO BE MOVED INTO HOLES IN THE FIFTH WHEEL, A FLUID OPERATED CYLINDER CONNECTED TO ONE OF SAID PLUNGERS, A PISTON IN SAID CYLINDER WHOSE PISTON ROD IS CONNECTED TO THE OTHER OF SAID PLUNGERS, A CROSS TRACK ON SAID TRUNNION SUPPORT LOCATED BELOW THE CYLINDER, A CRADLE SUPPORTING SAID CYLINDER MOVABLE ALONG SAID CROSS TRACK, STOPS LIMITING THE MOVEMENT OF SAID CRADLE ALONG SAID CROSS TRACK VERTICAL PROJECTIONS EXTENDING UPWARD FROM SAID CRADLE WHICH ENGAGE BOTH ENDS OF SAID CYLINDER AT THE LEVEL OF THE PISTON WHICH TRANSMIT THE IMPACT WHEN THE CRADLE ENGAGES THE STOP TO THE CYLINDER WITHOUT STRAIN ON THE PISTON.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |