US3558199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work spindle for tools
Assignee: BURGMASTER - HOUDAILLE Inc A CORP OF
•
Filing: 1968-09-05
•
Granted: 1971-01-26
•
Expires: 1988-09-05
Abstract
Abstract A VERY SIMPLE DEVICE FOR VARYING THE BEARING CLEARANCE OF A TAPERED-ROLLER BEARING OF A WORK SPINDLE SO AS TO BE THE MOST SUITABLE FOR DIFFERENT SPEEDS OF THE SPINDLE CONSISTING OF A PLURALITY OF SMALL CYLINDERS CONTAINING PISTONS WHICH ACT IN THE AXIAL DIRECTION UPON ONE OF THE RACES OF THE BEARING BY MEANS OF A PRESSURE MEDIUM, THE PRESSURE OF WHICH MAY BE VARIED.
Inventors
- 👤 Ernst Raiser
- 👤 Walter Christner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:23
CPC Classifications
F; F16; F16C; F16C25/00; F16C25/06; F16C25/08; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/262; B23Q1/265; F16C19/00; F16C19/54; F16C19/541; F16C19/542; F16C19/543; F16C19/546; F16C19/547; F16C19/548; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |