US3191779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-pendulum crane rigging
Assignee: Individual
•
Filing: 1963-07-09
•
Granted: 1965-06-29
•
Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 John S Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:09
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/04; B66C13/06; B66C23/00; B66C23/60; B66C23/605
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CRANE INCLUDING A WINCH HAVING AT LEAST ONE WINDING DRUM A JIB ADAPTED TO BE PIVOTALLY MOUNTED ON THE DECK OF A SHIP FOR LUFFING AND SLEWING MOVEMENTS, FIRST PULLEY MEANS ATTACHED TO THE OUTER END OF SAID JIB, AN OUTRIGGER MOUNTED ON THE JIB AND EXTENDING TO OPPOSITE SIDES THEREOF, TWO SECOND PULLEYS MOUNTED ON THE OUTRIGGER ON OPPOSITE SIDES OF THE JIB, A LOAD SUPPORTING ROPE, A LOAD PULLEY BLOCK SUPPORTED BY SAID ROPE, SAID ROPE HAVING ITS FREE ENDS WOUND ROUND THE WINDING DRUM IN THE SAME DIRECTION, THE ROPE THEN PASSING IN PARALLEL REACHES FROM THE WINDING DRUM AND THEN ROUND THE FIRST PULLEY MEANS, DOWNWARDLY TO THE PULLEY BLOCK AND THEREAROUND AND THEREAFTER THE REACHES DIVERGE UPWARDLY AND FORM A LOOP PASSING OVER THE SECOND PULLEYS.
Claim 2
Dependent Claim
132 words
A CRANE INCLUDING A WINCH HAVING AT LEAST ONE WINDING DRUM A JIB ADAPTED TO BE PIVOTALLY MOUNTED ON THE DECK OF A SHIP FOR LUFFING AND SLEWING MOVEMENTS, FIRST PULLEY MEANS ATTACHED TO THE OUTER END OF SAID JIB, AN OUTRIGGER MOUNTED ON THE JIB AND EXTENDING TO OPPOSITE SIDES THEREOF, TWO SECOND PULLEYS MOUNTED ON THE OUTRIGGER ON OPPOSITE SIDES OF THE JIB, A LOAD SUPPORTING ROPE, A LOAD PULLEY BLOCK SUPPORTED BY SAID ROPE, SAID ROPE HAVING ITS FREE ENDS WOUND ROUND THE WINDING DRUM IN THE SAME DIRECTION, THE ROPE THEN PASSING IN PARALLEL REACHES FROM THE WINDING DRUM AND THEN ROUND THE FIRST PULLEY MEANS, DOWNWARDLY TO THE PULLEY BLOCK AND THEREAROUND AND THEREAFTER THE REACHES DIVERGE UPWARDLY AND FORM A LOOP PASSING OVER THE SECOND PULLEYS.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |