US3093938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternate supporting means for annular workpieces
Assignee: Landis Tool Co
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Filing: 1959-04-17
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Granted: 1963-06-18
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Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 Harold E Balsiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:03
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A GRINDING MACHINE FOR GRINDING CYLINDRICAL WORKPIECES HAVING MORE THAN ONE PERIPHERAL SURFACE, A GRINDING WHEEL, A WORK DRIVE SPINDLE, A FACE PLATE ON SAID WORK DRIVE SPINDLE, MEANS FOR HOLDING A WORKPIECE AGAINST SAID FACE PLATE, WORK SUPPORTING MEANS COMPRISING A WORK SUPPORTING MEMBER HAVING ANGULARLY SPACED WORK ENGAGING SHOES FOR ENGAGING ONE PERIPHERAL SURFACE OF THE WORKPIECE, A SECOND WORK SUPPORTING MEMBER HAVING ANGULARLY SPACED WORK ENGAGING SHOES FOR ENGAGING ANOTHER PERIPHERAL SURFACE OF SAID WORKPIECE, AND MEANS FOR MOVING SAID SECOND WORK SUPPORTING MEMBER TO MOVE SAID WORKPIECE AGAINST SAID GRINDING WHEEL AND OUT OF ENGAGEMENT WITH SAID FIRST WORK SUPPORTING MEMBER AND MEANS TO STOP SAID SECOND WORK SUPPORTING MEMBER WHEN SAID WORKPIECE IS GROUND TO THE DESIRED SIZE.
Claim 2
Dependent Claim
124 words
IN A GRINDING MACHINE FOR GRINDING CYLINDRICAL WORKPIECES HAVING MORE THAN ONE PERIPHERAL SURFACE, A GRINDING WHEEL, A WORK DRIVE SPINDLE, A FACE PLATE ON SAID WORK DRIVE SPINDLE, MEANS FOR HOLDING A WORKPIECE AGAINST SAID FACE PLATE, WORK SUPPORTING MEANS COMPRISING A WORK SUPPORTING MEMBER HAVING ANGULARLY SPACED WORK ENGAGING SHOES FOR ENGAGING ONE PERIPHERAL SURFACE OF THE WORKPIECE, A SECOND WORK SUPPORTING MEMBER HAVING ANGULARLY SPACED WORK ENGAGING SHOES FOR ENGAGING ANOTHER PERIPHERAL SURFACE OF SAID WORKPIECE, AND MEANS FOR MOVING SAID SECOND WORK SUPPORTING MEMBER TO MOVE SAID WORKPIECE AGAINST SAID GRINDING WHEEL AND OUT OF ENGAGEMENT WITH SAID FIRST WORK SUPPORTING MEMBER AND MEANS TO STOP SAID SECOND WORK SUPPORTING MEMBER WHEN SAID WORKPIECE IS GROUND TO THE DESIRED SIZE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |