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US3139779A Expired / Lapsed US ⏱️ 0.0 years remaining

Punch press with a rotatable tool head

Assignee: Individual
•
Filing: 1961-11-17
•
Granted: 1964-07-07
•
Expires: 1981-11-17
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Abstract

No abstract record available.

Inventors

  • 👤 Bredow Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 10:34
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

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