US3561055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive system for the matrix and upper die of a power press
Assignee: Mannesmann Meer AG
•
Filing: 1968-09-27
•
Granted: 1971-02-09
•
Expires: 1988-09-27
Abstract
Abstract A SYSTEM FOR DRIVING SYCHRONOUSLY THE MATRIX AND UPPER DIE OF A POWER PRESS HAS A LINK SYSTEM FOR CONTROLLING THE MATRIX THAT INCLUDES A SELECTIVELY FOLDABLE CONNECTING ROD THAT TRANSMITS POWER BETWEEN TWO OF THE LINKS ONLY WHEN THE EXTENDED POSITION, AND A LOST MOTION DEVICE PERMITTING DEPRESSION OF THE MATRIX DURING PRESSING WHILE THE CONNECTING ROD IS THE POWER TRANSMITTING POSITION.
Inventors
- 👤 Christian Brinkmann
- 👤 Rolf Hermes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:40
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |