← Back to Patent Explorer
US3339941A Expired / Lapsed US ⏱️ 0.0 years remaining

Lock for sliding fifth-wheel trunnions

Assignee: Individual
•
Filing: 1965-05-07
•
Granted: 1967-09-05
•
Expires: 1985-05-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ray A Braunberger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:20
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)

US2938706A Cited
US2835504A Cited
US2940774A Cited
US3030125A Cited
US3099205A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag