US3427904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring bar cartridge
Assignee: Fansteel Inc
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Filing: 1966-08-31
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Granted: 1969-02-18
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Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Arendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:38
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03421; Y; Y10; Y10T; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/22; Y10T407/2268; Y10T408/00; Y10T408/94; Y10T408/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A ROTATING CUTTER ASSEMBLY HAVING A BODY WITH ONE OR MORE SURFACES TO MOUNT AN INSERT HOLDING BACK, THAT IMPROVEMENT WHICH COMPRISES: (A) AN ELONGATE BLOCK HAVING A MOUNTING BASE AND A SLOT FORMED IN SAID BASE TRANSVERSELY OF SAID BLOCK AND ANGLED FROM SAID BASE IN A DIRECTION TOWARD ONE END THEREOF LEAVING AN INTEGRAL JOINING SECTION IN A TOP SURFACE THEREOF OF FAIRLY THICK PROPORTIONS TO CREATE A BENDING FULCRUM, THE END TOWARD WHICH SAID SLOT ANGLES SERVING AS A MOUNTING END, AND THE OTHER END ON THE OTHER SIDE OF SAID SLOT SERVING AS AN INSERT MOUNT FOR A CUTTING INSERT, (B) MEANS IN SAID MOUNTING END TO LOCK SAID END SOLIDLY ON A MOUNTING SURFACE, (C) MEANS IN THE OTHER END TO POSITION SAID OTHER END ABOUT THE FULCRUM IN RELATION TO THE CENTER OF A BORING BAR, AND (D) MEANS ON SAID OTHER END FOR RELEASABLY RETAINING A CUTTING INSERT HAVING A CUTTING EDGE TO BE RELATED TO A MOUNT IN A SELECTED DIMENSION.
Claim 2
Dependent Claim
170 words
IN A ROTATING CUTTER ASSEMBLY HAVING A BODY WITH ONE OR MORE SURFACES TO MOUNT AN INSERT HOLDING BACK, THAT IMPROVEMENT WHICH COMPRISES: (A) AN ELONGATE BLOCK HAVING A MOUNTING BASE AND A SLOT FORMED IN SAID BASE TRANSVERSELY OF SAID BLOCK AND ANGLED FROM SAID BASE IN A DIRECTION TOWARD ONE END THEREOF LEAVING AN INTEGRAL JOINING SECTION IN A TOP SURFACE THEREOF OF FAIRLY THICK PROPORTIONS TO CREATE A BENDING FULCRUM, THE END TOWARD WHICH SAID SLOT ANGLES SERVING AS A MOUNTING END, AND THE OTHER END ON THE OTHER SIDE OF SAID SLOT SERVING AS AN INSERT MOUNT FOR A CUTTING INSERT, (B) MEANS IN SAID MOUNTING END TO LOCK SAID END SOLIDLY ON A MOUNTING SURFACE, (C) MEANS IN THE OTHER END TO POSITION SAID OTHER END ABOUT THE FULCRUM IN RELATION TO THE CENTER OF A BORING BAR, AND (D) MEANS ON SAID OTHER END FOR RELEASABLY RETAINING A CUTTING INSERT HAVING A CUTTING EDGE TO BE RELATED TO A MOUNT IN A SELECTED DIMENSION.
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |