US3348406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized press ram adjusting means
Assignee: Youngstown Sheet and Tube Co
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Filing: 1963-11-12
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Granted: 1967-10-24
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Henry A Holberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:09
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0029; B30B15/0035; B21; B21D; B21D22/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A DRAW PRESS COMPRISING A VERTICALLY DISPOSED FRAME, A DIE PROXIMATE THE LOWER END THEREOF HAVING A CAVITY AND A FLAT SURFACE ABOUT THE PERIMETER THEREOF, A RAM VERTICALLY RECIPROCAL IN THE FRAME HAVING AN UNDER FACE COOPERATIVE WITH SAID SURFACE TO CLAMP A BLANK THEREON, AN EXTERNALLY THREADED PLUNGER PROXIMATE EACH CORNER OF THE RAM AND A COLLAR THREADED THEREON ADAPTED TO BEAR ON THE ADJACENT CORNER OF THE RAM, THAT IMPROVEMENT WHICH COMPRISES A GEAR ON EACH COLLAR, AN ELEMENT COOPERATIVE THEREWITH TO ROTATE THE COLLAR AND ELECTRICALLY ACTUATED MEANS FOR DRIVING SAID ELEMENT, A CONTROL STATION APART FROM THE PRESS, AND ELECTRICAL INSTRUMENTALITIES BETWEEN SAID STATION AND EACH SAID DRIVING MEANS SELECTIVELY OPERABLE TO ACTUATE EACH OF THE LATTER INDEPENDENTLY TO THEREBY MOVE THE COLLARS IN EITHER DIRECTION AXIALLY OF THEIR RESPECTIVE PLUNGERS.
Claim 2
Dependent Claim
137 words
IN A DRAW PRESS COMPRISING A VERTICALLY DISPOSED FRAME, A DIE PROXIMATE THE LOWER END THEREOF HAVING A CAVITY AND A FLAT SURFACE ABOUT THE PERIMETER THEREOF, A RAM VERTICALLY RECIPROCAL IN THE FRAME HAVING AN UNDER FACE COOPERATIVE WITH SAID SURFACE TO CLAMP A BLANK THEREON, AN EXTERNALLY THREADED PLUNGER PROXIMATE EACH CORNER OF THE RAM AND A COLLAR THREADED THEREON ADAPTED TO BEAR ON THE ADJACENT CORNER OF THE RAM, THAT IMPROVEMENT WHICH COMPRISES A GEAR ON EACH COLLAR, AN ELEMENT COOPERATIVE THEREWITH TO ROTATE THE COLLAR AND ELECTRICALLY ACTUATED MEANS FOR DRIVING SAID ELEMENT, A CONTROL STATION APART FROM THE PRESS, AND ELECTRICAL INSTRUMENTALITIES BETWEEN SAID STATION AND EACH SAID DRIVING MEANS SELECTIVELY OPERABLE TO ACTUATE EACH OF THE LATTER INDEPENDENTLY TO THEREBY MOVE THE COLLARS IN EITHER DIRECTION AXIALLY OF THEIR RESPECTIVE PLUNGERS.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |