Patent US3280512A successfully refreshed from Google Patents.
US3280512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine feed mechanism
Assignee: Milacron Inc
•
Filing: 1964-02-20
•
Granted: 1966-10-25
•
Expires: 1984-02-20
Abstract
No abstract record available.
Inventors
- 👤 William B Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:23
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A GRINDING MACHINE HAVING A BASE AND HAVING MEANS TO SUPPORT AND ROTATE TO WORKPIECE IN A GRINDING POSITION, (A) A SUPPORT SHAFT ROTATABLY MOUNTED IN THE BASE AND HAVING AN ECCENTRIC PORTION THEREON, (B) A WHEELHEAD MOUNTED ON THE ECCENTRIC PORTION OF THE SUPPORT SHAFT FOR ORBITAL MOVEMENT AS THE SUPPORT SHAFT IS ROTATED, (C) A GRINDING WHEEL ROTATABLY MOUNTED IN THE WHEELHEAD FOR ORBITAL MOVEMENT TOWARDS AND AWAY FROM A WORKPIECE IN THE GRINDING POSITION AS THE WHEELHEAD ORBITS, (D) AND MEANS TO ROTATE THE SUPPORT SHAFT AT VARYING SPEEDS TO VARY THE RATE OF MOVEMENT OF THE GRINDING WHEEL RELATIVE TO A WORKPIECE IN THE GRINDING POSITION.
Claim 2
Dependent Claim
111 words
IN A GRINDING MACHINE HAVING A BASE AND HAVING MEANS TO SUPPORT AND ROTATE TO WORKPIECE IN A GRINDING POSITION, (A) A SUPPORT SHAFT ROTATABLY MOUNTED IN THE BASE AND HAVING AN ECCENTRIC PORTION THEREON, (B) A WHEELHEAD MOUNTED ON THE ECCENTRIC PORTION OF THE SUPPORT SHAFT FOR ORBITAL MOVEMENT AS THE SUPPORT SHAFT IS ROTATED, (C) A GRINDING WHEEL ROTATABLY MOUNTED IN THE WHEELHEAD FOR ORBITAL MOVEMENT TOWARDS AND AWAY FROM A WORKPIECE IN THE GRINDING POSITION AS THE WHEELHEAD ORBITS, (D) AND MEANS TO ROTATE THE SUPPORT SHAFT AT VARYING SPEEDS TO VARY THE RATE OF MOVEMENT OF THE GRINDING WHEEL RELATIVE TO A WORKPIECE IN THE GRINDING POSITION.
References Cited (Backward Citations)
US1373193A
Cited
US2010361A
Cited
US2003883A
Cited
US2108310A
Cited
US2130021A
Cited
US2175057A
Cited
US2379961A
Cited
US2912798A
Cited
US3209494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |