US3276116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool changer
Assignee: Individual
•
Filing: 1961-01-31
•
Granted: 1966-10-04
•
Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 James A Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:11
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/157; B23Q3/15713; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1748; Y10T483/1752; Y10T483/1755; Y10T483/18; Y10T483/1809; Y10T483/1873; Y10T483/1882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A MACHINE TOOL SYSTEM HAVING A MATRIX FOR STORING A PLURALITY OF TOOLS, AND A CHUCK FOR HOLDING ONE OF SAID TOOLS, A TOOL TRANSFER MACHANISM COMPRISING AN ARM ROTATABLY MOUNTED FOR ROTATION ABOUT A POINT WHEREBY SAID ARM MAY BE SELECTIVELY BROUGHT INTO ASSOCIATION WHITH THE CHUCK AND THE MATRIX FOR TRANSFERRING A TOOL BETWEEN THE TWO, SAID ARM INCLUDING FIRST AND SECOND TOOL CARRYING MEANS ARRANGED IN CLOSELY SPACED CIRCUMFERENTIALLY OPPOSING RELATIONSHIP IN WHICH THE FIRST TOOL CARRYING MEANS ENGAGES A TOOL HELD IN THE CHUCK AND DEPOSITS THE SAME IN THE MATRIX AND THE SECOND TOOL CARRYING MEANS ENGAGES A TOOL HELD IN THE MATRIX AND DEPOSITE IT IN THE CHUCK, WHEN THE ARM IS ROTATED IN ONE DIRECTION.
Claim 2
Dependent Claim
123 words
IN A MACHINE TOOL SYSTEM HAVING A MATRIX FOR STORING A PLURALITY OF TOOLS, AND A CHUCK FOR HOLDING ONE OF SAID TOOLS, A TOOL TRANSFER MACHANISM COMPRISING AN ARM ROTATABLY MOUNTED FOR ROTATION ABOUT A POINT WHEREBY SAID ARM MAY BE SELECTIVELY BROUGHT INTO ASSOCIATION WHITH THE CHUCK AND THE MATRIX FOR TRANSFERRING A TOOL BETWEEN THE TWO, SAID ARM INCLUDING FIRST AND SECOND TOOL CARRYING MEANS ARRANGED IN CLOSELY SPACED CIRCUMFERENTIALLY OPPOSING RELATIONSHIP IN WHICH THE FIRST TOOL CARRYING MEANS ENGAGES A TOOL HELD IN THE CHUCK AND DEPOSITS THE SAME IN THE MATRIX AND THE SECOND TOOL CARRYING MEANS ENGAGES A TOOL HELD IN THE MATRIX AND DEPOSITE IT IN THE CHUCK, WHEN THE ARM IS ROTATED IN ONE DIRECTION.
References Cited (Backward Citations)
US2363208A
Cited
US2748864A
Cited
US2783664A
Cited
US2952170A
Cited
FR1236668A
Cited
FR1242438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |