Patent US3295883A successfully refreshed from Google Patents.
US3295883A
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US
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Handling grab
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1965-01-11
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Granted: 1967-01-03
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Dupuy Gerard
- 👤 Tarabella Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:42
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/02; G21C19/10; G21C19/105; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
HANDLING GRAB COMPRISING A HOLLOW BODY, GRIPPING MEMBERS MOUNTED ON SAID HOLLOW BODY, A SLIDE-BLOCK WHICH IS AXIALLY MOVABLE WITHIN SAID HOLLOW BODY AND WHICH IS ARRANGED TO CONTROL THE MOVEMENT OF SAID GRIPPING MEMBERS, SAID HOLLOW BODY HAVING AN ABUTMENT MEMBER AT EACH END THEREOF FOR ARRESTING THE MOVEMENT OF SAID SLIDE-BLOCK RELATIVE TO SAID HOLLOW BODY IN EACH OF THE TWO END POSITIONS OF SAID SLIDE-BLOCK, AN ARTICULATED SYSTEM MOUNTED ON ONE OF SAID ABUTMENT MEMBERS FOR CONTROLLING THE DISPLACEMENT OF THE HOLLOW BODY, A ROD ARRANGED TO CONTROL THE MOVEMENT OF THE SLIDE-BLOCK WITHIN THE INTERIOR OF THE HOLLOW BODY AND THE DISPLACEMENT OF THE GRAB WHEN THE SLIDE-BLOCK IS DRAWN TO THE TOP POSITION THEREOF, SAID ROD BEING ADAPTED TO PASS FREELY THROUGH THE ARTICULATED SYSTEM BUT IS ARRESTED IN THE BOTTOM POSITION BY SAID ARTICULATED SYSTEM AT THE TIME OF UPWARD MOVEMENT OF SAID SYSTEM FROM THE REST POSITION TO THE LOAD LIFTING POSITION OF THE GRAB.
Claim 2
Dependent Claim
162 words
HANDLING GRAB COMPRISING A HOLLOW BODY, GRIPPING MEMBERS MOUNTED ON SAID HOLLOW BODY, A SLIDE-BLOCK WHICH IS AXIALLY MOVABLE WITHIN SAID HOLLOW BODY AND WHICH IS ARRANGED TO CONTROL THE MOVEMENT OF SAID GRIPPING MEMBERS, SAID HOLLOW BODY HAVING AN ABUTMENT MEMBER AT EACH END THEREOF FOR ARRESTING THE MOVEMENT OF SAID SLIDE-BLOCK RELATIVE TO SAID HOLLOW BODY IN EACH OF THE TWO END POSITIONS OF SAID SLIDE-BLOCK, AN ARTICULATED SYSTEM MOUNTED ON ONE OF SAID ABUTMENT MEMBERS FOR CONTROLLING THE DISPLACEMENT OF THE HOLLOW BODY, A ROD ARRANGED TO CONTROL THE MOVEMENT OF THE SLIDE-BLOCK WITHIN THE INTERIOR OF THE HOLLOW BODY AND THE DISPLACEMENT OF THE GRAB WHEN THE SLIDE-BLOCK IS DRAWN TO THE TOP POSITION THEREOF, SAID ROD BEING ADAPTED TO PASS FREELY THROUGH THE ARTICULATED SYSTEM BUT IS ARRESTED IN THE BOTTOM POSITION BY SAID ARTICULATED SYSTEM AT THE TIME OF UPWARD MOVEMENT OF SAID SYSTEM FROM THE REST POSITION TO THE LOAD LIFTING POSITION OF THE GRAB.
References Cited (Backward Citations)
US3137397A
Cited
US3198570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |