US3141364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resurfacing machine for propeller shafts
Assignee: Individual
•
Filing: 1960-06-15
•
Granted: 1964-07-21
•
Expires: 1980-06-15
Abstract
No abstract record available.
Inventors
- 👤 Kendal R Kelley
- 👤 Reginald F Milheiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:54
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/22; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2522
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
164 words
APPARATUS FOR RESURFACING A SELECTED AXIALLY EXTENDING PORTION OF A SHAFT, WHICH COMPRISES A SPLIT, CYLINDRICAL SHELL SURROUNDING SAID SHAFT AND HAVING A FLANGE AT AT LEAST ONE END THEREOF, TOTAL ENCIRCLING MEANS ROTATABLY SUPPORTING SAID SHELL ON SAID SHAFT AND IN CONTACT WITH SAID SHAFT OVER ITS ENTIRE ENCIRCLEMENT, DRIVING MEANS FOR ROTATING SAID SHELL AT A SELECTED SPEED AROUND SAID SHAFT, A TUBULAR GUIDE BAR MOUNTED ON SAID SHELL EXTERNALLY THEREOF AND PARALLEL WITH THE AXIS OF SAID SHELL, A TOOL HOLDER SLIDABLE AXIALLY ON SAID BAR, MEANS FOR RESTRAINGING SAID TOOL FROM ROTATION ON SAID BAR, FEED MEANS FOR MOVING SAID TOOL HOLDER AXIALLY OF SAID BAR, SAID SHELL HAVING AN OPENING INWARDLY OF SAID TOOL HOLDER TO PERMIT A TOOL CARRIED BY SAID HOLDER TO ENGAGE SAID SHAFT AS SAID SHELL IS ROTATED ABOUT SAID SHAFT, AND THRUST BEARING MEANS ENGAGING SAID FLANGE TO POSITION SAID SHELL AXIALLY OF SAID SHAFT AND HOLD IT AGAINST DISPLACEMENT IN EITHER AXIAL DIRECTION.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |