US3323397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for the accurate and rapid centering and driving of a railway-car axle beingmachined on a so-called "on-the-spot" re-shaping machine
Assignee: Individual
•
Filing: 1965-03-19
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Granted: 1967-06-06
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Ladoues Pierre
- 👤 Lacoste-Tuzan Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:35
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/28; B23B33/00; B23B5/08; B61; B61K; B61K11/00; B61K9/00; B61K9/12; Y; Y10; Y10T; Y10T82/00; Y10T82/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
DEVICE PERMITTING THE RAPID CENTERING AND DRIVING OF AN AXLE OF RAILWAY VEHICLE DURING THE MACHINING THEREOF ON A SO-CALLED ON-THE-SPOT RE-SHAPING BED, COMPRISING TO THIS END A RETRACTABLE TRACK RECEIVING THE AXLE, TWO PAIRS OF DRIVING ROLLERS HAVING HORIZONTAL AXES AND DISPOSED SYMMETRICALLY IN RELATION TO A FIXED VERTICAL PLANE PARALLEL TO SAID BED AND MOUNTED ON A PAIR OF SLIDES MOVABLE IN TWO FIXED VERTICAL GUIDE MEMBERS, WHEREBY SAID ROLLERS MAY LIFT SAID AXLE WHEELS WHILE AUTOMATICALLY CENTERING ITS AXIS IN SAID FIXED VERTICAL PLANE, MEANS FOR SUBSEQUENTLY CENTERING SAID AXIS DEFINITELY AND STRICTLY IN SAID PLANE AND IN A DIRECTION PARALLEL TO THE RE-SHAPING BED, SO THAT THE TOOL LIES AT A CONSTANT DISTANCE FROM THE AXIS OF ROTATION DURING EACH WHEEL REVOLUTION, MEANS FOR DRIVING THE CEN-
Claim 2
Dependent Claim
131 words
DEVICE PERMITTING THE RAPID CENTERING AND DRIVING OF AN AXLE OF RAILWAY VEHICLE DURING THE MACHINING THEREOF ON A SO-CALLED ON-THE-SPOT RE-SHAPING BED, COMPRISING TO THIS END A RETRACTABLE TRACK RECEIVING THE AXLE, TWO PAIRS OF DRIVING ROLLERS HAVING HORIZONTAL AXES AND DISPOSED SYMMETRICALLY IN RELATION TO A FIXED VERTICAL PLANE PARALLEL TO SAID BED AND MOUNTED ON A PAIR OF SLIDES MOVABLE IN TWO FIXED VERTICAL GUIDE MEMBERS, WHEREBY SAID ROLLERS MAY LIFT SAID AXLE WHEELS WHILE AUTOMATICALLY CENTERING ITS AXIS IN SAID FIXED VERTICAL PLANE, MEANS FOR SUBSEQUENTLY CENTERING SAID AXIS DEFINITELY AND STRICTLY IN SAID PLANE AND IN A DIRECTION PARALLEL TO THE RE-SHAPING BED, SO THAT THE TOOL LIES AT A CONSTANT DISTANCE FROM THE AXIS OF ROTATION DURING EACH WHEEL REVOLUTION, MEANS FOR DRIVING THE CEN-
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |