US3587873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool change mechanism for a machine tool
Assignee: Kearney and Trecker Corp
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Filing: 1969-05-15
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Granted: 1971-06-28
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Expires: 1989-05-15
Abstract
Abstract A TOOL CHANGER MECHANISM WHICH IS OPERABLE TO EFFECT AN INTERCHANGE OF TOOLS BETWEEN A MACHINE TOOL SPINDLE AND A TOOL STORAGE MAGAZINE. A TOOL CHANGE ARM IS CONNECTED TO A SHAFT ON WHICH THERE IS SECURED A GEAR MEMBER. THE GEAR MEMBER AND A PLURALITY OF RACKS ARE ACTUATABLE BY HYDRAULIC ACTUATORS TO IMPART THE NECESSARY ROTATIONAL MOVEMENT TO THE TOOL CHANGE ARM AND ANOTHER HYDRAULIC ACTUATOR IS ACTUATABLE TO EFFECT THE NECESSARY TRANSLATIONAL MOVEMENT TO THE TOOL CHANGE ARM FOR EFFECTING A TOOL INTERCHANGE.
Inventors
- 👤 Earl R Lohneis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:32
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15713; B23Q3/1572; B23Q3/15726; B23Q3/1574; B23Q3/15746; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1755; Y10T483/1767; Y10T483/18; Y10T483/1818; Y10T483/1836
Claims Analysis
Total Claims: 0
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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) | 1974-06-27 | 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 |