Patent US3139779A successfully refreshed from Google Patents.
US3139779A
Expired / Lapsed
US
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Punch press with a rotatable tool head
Assignee: Individual
•
Filing: 1961-11-17
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Granted: 1964-07-07
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Expires: 1981-11-17
Abstract
No abstract record available.
Inventors
- 👤 Bredow Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:49
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/12; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/37; Y10T408/50; Y10T408/55; Y10T408/561; Y10T408/5623; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/217; Y10T83/2172; Y10T83/869; Y10T83/8727; Y10T83/8732; Y10T83/8821; Y10T83/8867; Y10T83/8868
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A PUNCH PRESS, A ROTATABLE DIE PLATE SUPPORTING DIES, A ROTATABLE PUNCH PLATE, A PLURALITY OF PUNCHES SLIDINGLY GUIDED IN THE PUNCH PLATE, A RAM POSITIVELY ENGAGEABLE WITH THE HEAD OF ANY SELECTED PUNCH ON ROTATION OF THE PUNCH PLATE TO BRING THE SELECTED PUNCH TO A WORKING POSITION BELOW THE RAM, THE POSITION AND MOTION OF THE SELECTED PUNCH DEPENDING ONLY ON POSITION AND MOTION OF THE RAM, A PLURALITY OF STRIPPER RINGS MOUNTED ON THE UNDERSIDE OF THE PUNCH PLATE TO STRIP PUNCHED MATERIAL FROM THE PUNCHES, AND MEANS FOR RAISING AND LOWERING THE PUNCH PLATE RELATIVE TO THE DIE PLATE TO VARY THE DISTANCE BETWEEN THE STRIPPER RINGS AND THE DIE PLATE WHILE THE DISTANCE BETWEEN THE SELECTED PUNCH AND THE DIE PLATE REMAINS THE SAME.
Claim 2
Dependent Claim
130 words
IN A PUNCH PRESS, A ROTATABLE DIE PLATE SUPPORTING DIES, A ROTATABLE PUNCH PLATE, A PLURALITY OF PUNCHES SLIDINGLY GUIDED IN THE PUNCH PLATE, A RAM POSITIVELY ENGAGEABLE WITH THE HEAD OF ANY SELECTED PUNCH ON ROTATION OF THE PUNCH PLATE TO BRING THE SELECTED PUNCH TO A WORKING POSITION BELOW THE RAM, THE POSITION AND MOTION OF THE SELECTED PUNCH DEPENDING ONLY ON POSITION AND MOTION OF THE RAM, A PLURALITY OF STRIPPER RINGS MOUNTED ON THE UNDERSIDE OF THE PUNCH PLATE TO STRIP PUNCHED MATERIAL FROM THE PUNCHES, AND MEANS FOR RAISING AND LOWERING THE PUNCH PLATE RELATIVE TO THE DIE PLATE TO VARY THE DISTANCE BETWEEN THE STRIPPER RINGS AND THE DIE PLATE WHILE THE DISTANCE BETWEEN THE SELECTED PUNCH AND THE DIE PLATE REMAINS THE SAME.
References Cited (Backward Citations)
US1536730A
Cited
US1940883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |