Automatic tool changer
Abstract
Abstract AN AUTOMATIC TOOL CHANGER FOR A MACHINE TOOL WHICH INCLUDES A PAIR OF TOOL CHANGE ARMS, EACH OF WHICH IS RESPECTIVELY PIVOTALLY MOUNTED ON OPPOSITE SIDES OF A LINE BETWEEN A SELECTED TOOL IN A TOOL CHANGE READY POSITION AND THE TOOL SPINDLE. THE PAIR OF TOOL CHANGE ARMS INCLUDE TOOL GRIPS FROM A STATIONARY RETRACTED POSITION TO EXTENDED POSITIONS ENGAGING RESPECTIVE TOOLS IN THE READY POSITION AND THE TOOL SPINDLE. THE ARMS THEN MOVE IN A TRANSLATIONAL MOTION TO AXIALLY DISPLACE THE RESPECTIVE DISPLACE THE RESPECTIVE TOOLS TO DISENGAGE THEM FROM THE READY POSITION AND THE TOOL SPINDLE RESPECTIVELY. THE TOOLS THEN MOVE ANGULARLY WHILE RETRACTED TO CLEAR ONE ANOTHER IN DIRECTIONS TO INTERCHANGE THE TOOLS BETWEEN THE TOOL READY POSITION AND THE TOOL SPINDLE AND THEREAFTER MOVE IN A DIRECTION TO AXIALLY INSERT THE TOOL IN THE READY POSITION AND TOOL SPINDLES, AFTER WICH THE TOOL CHANGE ARM RETRACTS AND MOVES TO A STATIONARY REST POSITION.
Inventors
- 👤 Donald F Davern
Bibliographic Details
Claims Analysis
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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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |