Patent CA774178A successfully refreshed from Google Patents.
Patent US3133349A successfully refreshed from Google Patents.
US3133349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool changer for a machine tool
Assignee: Kearney and Trecker Corp
•
Filing: 1961-07-24
•
Granted: 1964-05-19
•
Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Kurt A Riedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:20
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15706; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/179; Y10T483/1793; Y10T483/1795; Y10T483/18; Y10T483/1809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A MACHINE TOOL INCLUDING A SPINDLE HAVING A THROUGH PASSAGE PROVIDING A TOOL RECEIVING END AND A TOOL OPERATING END, A TOOL TRANSFER MEMBER HAVING A THROUGH PASSAGE, SAID TRANSFER MEMBER MOVABLY MOUNTED WITHIN THE PASSAGE OF SAID SPINDLE AND HAVING A CLAMP FOR CLAMPING A TOOL PLACED THEREIN AT A POINT RELATED TO THE RECEIVING END OF SAID SPINDLE, MEANS FOR MOVING SAID TRANSFER MEMBER FROM THE RECEIVING END OF SAID SPINDLE TO A TOOL PROJECTING POSITION AT THE OPERATING END, AND MEANS FOR SECURING THE TRANSFER MEMBER AND TOOL TO SAID SPINDLE AT THE OPERATING END.
Claim 2
Dependent Claim
98 words
A MACHINE TOOL INCLUDING A SPINDLE HAVING A THROUGH PASSAGE PROVIDING A TOOL RECEIVING END AND A TOOL OPERATING END, A TOOL TRANSFER MEMBER HAVING A THROUGH PASSAGE, SAID TRANSFER MEMBER MOVABLY MOUNTED WITHIN THE PASSAGE OF SAID SPINDLE AND HAVING A CLAMP FOR CLAMPING A TOOL PLACED THEREIN AT A POINT RELATED TO THE RECEIVING END OF SAID SPINDLE, MEANS FOR MOVING SAID TRANSFER MEMBER FROM THE RECEIVING END OF SAID SPINDLE TO A TOOL PROJECTING POSITION AT THE OPERATING END, AND MEANS FOR SECURING THE TRANSFER MEMBER AND TOOL TO SAID SPINDLE AT THE OPERATING END.
References Cited (Backward Citations)
US2901927A
Cited
US2883890A
Cited
US2952170A
Cited
US3052011A
Cited
US3074147A
Cited
US2997901A
Cited
US3073024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |