US3308966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Travelling stabilized crane
Assignee: Individual
•
Filing: 1965-09-03
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Granted: 1967-03-14
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Fawell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:59
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/04; B66C13/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A TRAVELLING CRANE COMPRISING AN OVERHEAD SUPPORT, A VERTICALLY MOVABLE NORMALLY HORIZONTAL LOAD FRAME BELOW SAID SUPPORT, ROTATABLE DRUM MEANS MOUNTED ON SAID SUPPORT, TWO PAIRS OF CABLE ATTACHED TO SAID DRUM MEANS WITH ONE PAIR SUSPENDED FROM EACH END OF SAID SUPPORT, A FIRST PAIR OF SHEAVES SPACED TRANSVERSELY OF THE LOAD FRAME AND MOUNTED THEREON BELOW EACH END OF THE SUPPORT, A SECOND PAIR OF SHEAVES SPACED TRANSVERSELY OF THE LOAD FRAME AND MOUNTED THEREON ADJACENT EACH FIRST PAIR, ONE CABLE IN EACH PAIR EXTENDING FROM THE OVERHEAD SUPPORT DOWN AROUND ONE OF THE SHEAVES IN THE UNDERLYING FIRST PAIR AND THEN ACROSS THE LOAD FRAME AND UP AROUND THE OTHER SHEAVE IN THE SAME PAIR AND UP ACROSS ITSELF TO A CONNECTION WITH SAID SUPPORT, THE OTHER CABLE IN EACH PAIR EXTENDING FROM SAID SUPPORT DOWN AROUND THE SHEAVE IN THE UNDERLYING SECOND PAIR THAT IS ADJACENT SAID OTHER SHEAVE AND THEN ACROSS THE LOAD FRAME AND UP AROUND THE OTHER SHEAVE IN THE SECOND PAIR AND UP ACROSS ITSELF TO A CONNECTIOON WITH SAID SUPPORT, AND MEANS FOR ROTATING THE DRUM MEANS TO RAISE AND LOWER THE LOAD FRAME BY MEANS OF THE FOUR CABLES.
Claim 2
Dependent Claim
199 words
A TRAVELLING CRANE COMPRISING AN OVERHEAD SUPPORT, A VERTICALLY MOVABLE NORMALLY HORIZONTAL LOAD FRAME BELOW SAID SUPPORT, ROTATABLE DRUM MEANS MOUNTED ON SAID SUPPORT, TWO PAIRS OF CABLE ATTACHED TO SAID DRUM MEANS WITH ONE PAIR SUSPENDED FROM EACH END OF SAID SUPPORT, A FIRST PAIR OF SHEAVES SPACED TRANSVERSELY OF THE LOAD FRAME AND MOUNTED THEREON BELOW EACH END OF THE SUPPORT, A SECOND PAIR OF SHEAVES SPACED TRANSVERSELY OF THE LOAD FRAME AND MOUNTED THEREON ADJACENT EACH FIRST PAIR, ONE CABLE IN EACH PAIR EXTENDING FROM THE OVERHEAD SUPPORT DOWN AROUND ONE OF THE SHEAVES IN THE UNDERLYING FIRST PAIR AND THEN ACROSS THE LOAD FRAME AND UP AROUND THE OTHER SHEAVE IN THE SAME PAIR AND UP ACROSS ITSELF TO A CONNECTION WITH SAID SUPPORT, THE OTHER CABLE IN EACH PAIR EXTENDING FROM SAID SUPPORT DOWN AROUND THE SHEAVE IN THE UNDERLYING SECOND PAIR THAT IS ADJACENT SAID OTHER SHEAVE AND THEN ACROSS THE LOAD FRAME AND UP AROUND THE OTHER SHEAVE IN THE SECOND PAIR AND UP ACROSS ITSELF TO A CONNECTIOON WITH SAID SUPPORT, AND MEANS FOR ROTATING THE DRUM MEANS TO RAISE AND LOWER THE LOAD FRAME BY MEANS OF THE FOUR CABLES.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |