US3285432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for operating a crane winch
Assignee: Jeffrey Galion Manufacturing Co
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Filing: 1965-05-13
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Granted: 1966-11-15
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Stauffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C2700/00; B66C2700/06; B66C2700/062; B66C2700/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
IN A CRANE, A HYDRAULIC OPERATING SYSTEM FOR OPERATING THE SEVERAL MECHANISMS OF THE CRANE COMPRISING, A FIRST PUMP FOR OPERATING CERTAIN OF SAID MECHANISMS INCLUDING A WINCH, FIRST CONTROL MEANS FOR CONTROLLING THE SUPPLY OF HYDRAULIC FLUID UNDER PRESSURE FROM THE FIRST PUMP TO THE WINCH, MEANS FOR OPERATING SAID FIRST CONTROL MEANS BY HYDRAULIC FLUID UNDER PRESSURE, A SECOND PUMP FOR SUPPLYING HYDRAULIC FLUID UNDER PRESSURE FOR OPERATING OTHER OF SAID MECHANISMS INCLUDING SAID WINCH AND SAID FIRST CONTROL MEANS, SECOND CONTROL MEANS FOR CONTROLLING THE SUPPLY OF HYDRAULIC FLUID UNDER PRESSURE FROM THE SECOND PUMP TO SAID WINCH, MEANS CONNECTING SAID SECOND PUMP TO SAID OPERATING MEANS TO SUPPLY HYDRAULIC FLUID UNDER PRESSURE FOR OPERATING THE FIRST CONTROL MEANS, WHEREBY THE FIRST CONTROL MEANS AND THE SECOND CONTROL MEANS ARE SELECTIVELY OPERABLE FOR THE SUPPLY OF HYDRAULIC FLUID UNDER PRESSURE TO THE WINCH FROM EITHER THE FIRST PUMP OR THE SECOND PUMP TO OPERATE THE WINCH AT SPEEDS THAT ARE COMMENSURATE WITH THE RATES AT WHICH HYDRAULIC FLUID UNDER PRESSURE IS SUPPLIED FROM THE FIRST PUMP AND FROM THE SECOND PUMP, RESPECTIVELY, OR FROM BOTH THE FIRST PUMP AND THE SECOND PUMP TO OPERATE THE WINCH AT A SPEED THAT IS GREATER THAN THE SPEED OF THE WINCH WHEN IT IS OPERATED BY HYDRAULIC FLUID FROM EITHER THE FIRST HYDRAULIC PUMP OR THE SECOND HYDRAULIC PUMP ALONE.
Claim 2
Dependent Claim
230 words
IN A CRANE, A HYDRAULIC OPERATING SYSTEM FOR OPERATING THE SEVERAL MECHANISMS OF THE CRANE COMPRISING, A FIRST PUMP FOR OPERATING CERTAIN OF SAID MECHANISMS INCLUDING A WINCH, FIRST CONTROL MEANS FOR CONTROLLING THE SUPPLY OF HYDRAULIC FLUID UNDER PRESSURE FROM THE FIRST PUMP TO THE WINCH, MEANS FOR OPERATING SAID FIRST CONTROL MEANS BY HYDRAULIC FLUID UNDER PRESSURE, A SECOND PUMP FOR SUPPLYING HYDRAULIC FLUID UNDER PRESSURE FOR OPERATING OTHER OF SAID MECHANISMS INCLUDING SAID WINCH AND SAID FIRST CONTROL MEANS, SECOND CONTROL MEANS FOR CONTROLLING THE SUPPLY OF HYDRAULIC FLUID UNDER PRESSURE FROM THE SECOND PUMP TO SAID WINCH, MEANS CONNECTING SAID SECOND PUMP TO SAID OPERATING MEANS TO SUPPLY HYDRAULIC FLUID UNDER PRESSURE FOR OPERATING THE FIRST CONTROL MEANS, WHEREBY THE FIRST CONTROL MEANS AND THE SECOND CONTROL MEANS ARE SELECTIVELY OPERABLE FOR THE SUPPLY OF HYDRAULIC FLUID UNDER PRESSURE TO THE WINCH FROM EITHER THE FIRST PUMP OR THE SECOND PUMP TO OPERATE THE WINCH AT SPEEDS THAT ARE COMMENSURATE WITH THE RATES AT WHICH HYDRAULIC FLUID UNDER PRESSURE IS SUPPLIED FROM THE FIRST PUMP AND FROM THE SECOND PUMP, RESPECTIVELY, OR FROM BOTH THE FIRST PUMP AND THE SECOND PUMP TO OPERATE THE WINCH AT A SPEED THAT IS GREATER THAN THE SPEED OF THE WINCH WHEN IT IS OPERATED BY HYDRAULIC FLUID FROM EITHER THE FIRST HYDRAULIC PUMP OR THE SECOND HYDRAULIC PUMP ALONE.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |