US3079817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work handling device
Assignee: ERIE FOUNDRY CO
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Filing: 1958-10-06
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Granted: 1963-03-05
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert E Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:52
CPC Classifications
B; B21; B21K; B21K27/00; B21K27/02; B21K27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
IN COMBINATION, A FORGING MACHINE HAVING PROGRESSIVE DIE MEMBERS THEREON AND A MECHANISM FOR LOADING HOT WORK INTO SAID DIE MEMBERS FOR TRANSFERRING AND REMOVING SAID WORK THEREFROM, SAID DIE MEMBERS EACH HAVING A FIXED PART AND A MOVABLE PART, SAID FORGING MACHINE HAVING A RAM CARRYING SAID MOVABLE DIE PART AND A BED SUPPORTING SAID FIXED DIE PART, SAID MECHANISM COMPRISING CAM MEANS DISPOSED ON SAID MACHINE AND DRIVEN IN SYNCHRONISM WITH SAID RAM, GRIPPERS, ONE SAID GRIPPER BEING DISPOSED AT EACH SIDE OF SAID DIE MEMBERS, A WORKING ARM ATTACHED TO EACH SAID GRIPPER, SAID WORKING ARMS BEING SWINGABLY ATTACHED TO SAID MACHINE, CLOSING ARMS PIVOTALLY ATTACHED TO SAID WORKING ARMS, AND A RAISING ARM ATTACHED TO ONE SAID WORKING ARM, SAID CAM MEANS ACTUATING SAID CLOSING ARMS, SAID RAISING ARM, AND SAID WORKING ARMS TO CLOSE SAID WORKING ARMS ON BLANKS TO BE LOADED INTO SAID DIE MEMBERS, LOWERING SAID BLANKS TO EACH PROGRESSIVE CAVITY IN SAID DIE MEMBERS AND DISCHARGING SAID BLANKS WHEN FORMED FROM SAID MACHINE.
Claim 2
Dependent Claim
171 words
IN COMBINATION, A FORGING MACHINE HAVING PROGRESSIVE DIE MEMBERS THEREON AND A MECHANISM FOR LOADING HOT WORK INTO SAID DIE MEMBERS FOR TRANSFERRING AND REMOVING SAID WORK THEREFROM, SAID DIE MEMBERS EACH HAVING A FIXED PART AND A MOVABLE PART, SAID FORGING MACHINE HAVING A RAM CARRYING SAID MOVABLE DIE PART AND A BED SUPPORTING SAID FIXED DIE PART, SAID MECHANISM COMPRISING CAM MEANS DISPOSED ON SAID MACHINE AND DRIVEN IN SYNCHRONISM WITH SAID RAM, GRIPPERS, ONE SAID GRIPPER BEING DISPOSED AT EACH SIDE OF SAID DIE MEMBERS, A WORKING ARM ATTACHED TO EACH SAID GRIPPER, SAID WORKING ARMS BEING SWINGABLY ATTACHED TO SAID MACHINE, CLOSING ARMS PIVOTALLY ATTACHED TO SAID WORKING ARMS, AND A RAISING ARM ATTACHED TO ONE SAID WORKING ARM, SAID CAM MEANS ACTUATING SAID CLOSING ARMS, SAID RAISING ARM, AND SAID WORKING ARMS TO CLOSE SAID WORKING ARMS ON BLANKS TO BE LOADED INTO SAID DIE MEMBERS, LOWERING SAID BLANKS TO EACH PROGRESSIVE CAVITY IN SAID DIE MEMBERS AND DISCHARGING SAID BLANKS WHEN FORMED FROM SAID MACHINE.
References Cited (Backward Citations)
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US1998272A
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US2016156A
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US2132244A
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US2074680A
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US2925612A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |