US3265360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tower crane with auxiliary hoist
Assignee: Individual
•
Filing: 1964-06-02
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Granted: 1966-08-09
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Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Tax Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:58
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/26; B66C; B66C23/00; B66C23/18; B66C23/26; B66D5/00; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0166; B66D2700/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CRANE COMPRISING, IN COMBINATION: (A) AN ELONGATED TOWER HAVING A NORMALLY VERTICAL LONGITUDINAL AXIS; (B) TWO CABLE MEMBERS HAVING RESPECTIVE FIRST LONGITUDINAL PORTIONS GUIDED ON A TOP PORTION OF SAID TOWER, AND RESPECTIVE SECOND PORTIONS DEPENDING FROM SAID FIRST PORTIONS; (C) JOINT LOAD SUPPORTING MEANS ATTACHED TO SAID SECOND PORTIONS FOR TRANSMITTING THE WEIGHT OF A SUPPORTED LOAD TO SAID CABLE MEMBERS; (D) WINCH MEANS OPERATIVELY CONNECTED TO SAID CABLE MEMBERS FOR TENSIONING THE SAME AND FOR THEREBY RAISING A LOAD SUPPORTED ON SAID SECOND PORTIONS, SAID WINCH MEANS INCLUDING BRAKE MEANS FOR ARRESTING MOVEMENT OF THE CONNECTED CABLE MEMBERS; (E) SENSING MEANS FOR SENSING THE RELATIONSHIP OF THE RESPECTIVE TENSIONS IN SAID CABLE MEMBERS; AND (F) BRAKE ACTUATING MEANS OPERATIVELY CONNECTED TO SAID SENSING MEANS AND TO SAID BRAKE MEANS, AND RESPONSIVE TO A PREDETERMINED SENSED RELATIONSHIP OF SAID TENSIONS FOR ACTUATING SAID BRAKE MEANS.
Claim 2
Dependent Claim
147 words
A CRANE COMPRISING, IN COMBINATION: (A) AN ELONGATED TOWER HAVING A NORMALLY VERTICAL LONGITUDINAL AXIS; (B) TWO CABLE MEMBERS HAVING RESPECTIVE FIRST LONGITUDINAL PORTIONS GUIDED ON A TOP PORTION OF SAID TOWER, AND RESPECTIVE SECOND PORTIONS DEPENDING FROM SAID FIRST PORTIONS; (C) JOINT LOAD SUPPORTING MEANS ATTACHED TO SAID SECOND PORTIONS FOR TRANSMITTING THE WEIGHT OF A SUPPORTED LOAD TO SAID CABLE MEMBERS; (D) WINCH MEANS OPERATIVELY CONNECTED TO SAID CABLE MEMBERS FOR TENSIONING THE SAME AND FOR THEREBY RAISING A LOAD SUPPORTED ON SAID SECOND PORTIONS, SAID WINCH MEANS INCLUDING BRAKE MEANS FOR ARRESTING MOVEMENT OF THE CONNECTED CABLE MEMBERS; (E) SENSING MEANS FOR SENSING THE RELATIONSHIP OF THE RESPECTIVE TENSIONS IN SAID CABLE MEMBERS; AND (F) BRAKE ACTUATING MEANS OPERATIVELY CONNECTED TO SAID SENSING MEANS AND TO SAID BRAKE MEANS, AND RESPONSIVE TO A PREDETERMINED SENSED RELATIONSHIP OF SAID TENSIONS FOR ACTUATING SAID BRAKE MEANS.
References Cited (Backward Citations)
US2241274A
Cited
US2689890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |