Patent US3143923A successfully refreshed from Google Patents.
US3143923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine blade cutting tool attachment
Assignee: Individual
•
Filing: 1963-05-17
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Granted: 1964-08-11
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Expires: 1983-05-17
Abstract
No abstract record available.
Inventors
- 👤 Krzyszczuk Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:35
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/101; B23Q35/102; B23Q35/103; B23C; B23C3/00; B23C3/16; B23C3/18; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4828; Y; Y10; Y10T; Y10T408/00; Y10T408/39; Y10T408/83; Y10T409/00; Y10T409/50; Y10T409/502624; Y10T409/502788; Y10T409/5041; Y10T409/509348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A TURBINE BLADE CUTTING TOOL COMPRISING A BRACKET MEMBER HAVING TOP AND BOTTOM ARMS AND MEANS RIGIDLY CONNECTING SAID ARMS, MEANS TO CLAMP THE TOP ARM TO THE SPINDLE GUIDE OF A MILLING MACHINE, A BUSHING MEMBER MOUNTED IN SAID BOTTOM ARM, A SHAFT GUIDE SLEEVE EXTENDING ROTATABLY THROUGH SAID BUSHING MEMBER AND ADAPTED TO BE CLAMPED IN THE CHUCK OF THE MILLING MACHINE, A CUTTER SHAFT SLIDABLY MOUNTED IN SAID SLEEVE AND BEING PROVIDED AT ITS END WITH AN OFFSET CUTTING BLADE, MEANS PREVENTING ROTATION OF SAID SHAFT RELATIVE TO SAID SLEEVE, SAID BUSHING MEMBER HAVING A CAM-SHAPED TOP EDGE COMPRISING A RELATIVELY LOW PORTION AND A RELATIVELY HIGH PORTION OPPOSITE SAID LOW PORTION, FOLLOWER MEANS ON THE CUTTER SHAFT ENGAGING SAID TOP EDGE, AND SPRING MEANS BIASING SAID FOLLOWER MEANS INTO CONTINUOUS ENGAGEMENT WITH SAID TOP EDGE.
Claim 2
Dependent Claim
139 words
A TURBINE BLADE CUTTING TOOL COMPRISING A BRACKET MEMBER HAVING TOP AND BOTTOM ARMS AND MEANS RIGIDLY CONNECTING SAID ARMS, MEANS TO CLAMP THE TOP ARM TO THE SPINDLE GUIDE OF A MILLING MACHINE, A BUSHING MEMBER MOUNTED IN SAID BOTTOM ARM, A SHAFT GUIDE SLEEVE EXTENDING ROTATABLY THROUGH SAID BUSHING MEMBER AND ADAPTED TO BE CLAMPED IN THE CHUCK OF THE MILLING MACHINE, A CUTTER SHAFT SLIDABLY MOUNTED IN SAID SLEEVE AND BEING PROVIDED AT ITS END WITH AN OFFSET CUTTING BLADE, MEANS PREVENTING ROTATION OF SAID SHAFT RELATIVE TO SAID SLEEVE, SAID BUSHING MEMBER HAVING A CAM-SHAPED TOP EDGE COMPRISING A RELATIVELY LOW PORTION AND A RELATIVELY HIGH PORTION OPPOSITE SAID LOW PORTION, FOLLOWER MEANS ON THE CUTTER SHAFT ENGAGING SAID TOP EDGE, AND SPRING MEANS BIASING SAID FOLLOWER MEANS INTO CONTINUOUS ENGAGEMENT WITH SAID TOP EDGE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |