US3341923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: General Electric Co
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Filing: 1966-09-09
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Granted: 1967-09-19
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Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 Walter H Kelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:17
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1662; B23B2205/00; B23B2205/04; B23B2205/08; B23B2205/16; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2274; Y10T407/2276; Y10T407/23; Y10T407/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A CUTTING TOOL COMPRISING A DISPOSABLE CUTTING INSERT HAVING UPPER AND LOWER PARALLEL FACES, PERIPHERAL SURFACES BETWEEN SAID FACES MEETING WITH SAID UPPER FACE AT AN ACUTE ANGLE TO FORM A PLURALITY OF CUTTING EDGES AND A CENTRAL AXIAL HOLE BETWEEN SAID PARALLEL FACES, SAID AXIAL HOLE BEING TAPERED INWARDLY FROM SAID UPPER FACE, SAID INSERT BEING INDEXABLE TO UTILIZE EACH OF SAID CUTTING EDGES, A CUTTING TOOL BODY HAVING A RECESS THEREIN TO PROVIDE A BASE AND A SHOULDER FOR SUPPORT OF A FACE AND A PORTION OF THE PERIPHERAL SURFACE OF THE INSERT, SAID SHOULDER BEING TAPERED COMPLEMENTARY TO THE PERIPHERAL SURFACE OF THE INSERT, A RETENTION PIN AJDUSTABLY SECURED AT ONE END THEREOF IN THE CUTTING TOOL BODY, THE OTHER END OF SAID PIN PROJECTING INTO THE HOLE IN THE INSERT, SAID PROJECTING END BEING SYMMETRICAL ABOUT ITS CENTRAL AXIS AND BEING TAPERED SO AS TO FORM A COMPLEMENTARY TAPER WITH THE HOLE IN THE INSERT, THE LARGEST DIAMETER OF THE PROJECTING END OF SAID PIN BEING LESS THAN THE SMALLEST DIAMETER OF THE TAPERED HOLE IN THE INSERT, THE PROJECTING END OF SAID PIN BEING ADJUSTABLE TOWARD THE SHOULDER OF THE RECESS IN THE CUTTING TOOL BODY, SAID RETENTION PIN ADAPTED UPON SUCH AJUSTMENT TO LOCK SAID INSERT IN THE RECESS OF THE CUTTING TOOL BODY.
Claim 2
Dependent Claim
220 words
A CUTTING TOOL COMPRISING A DISPOSABLE CUTTING INSERT HAVING UPPER AND LOWER PARALLEL FACES, PERIPHERAL SURFACES BETWEEN SAID FACES MEETING WITH SAID UPPER FACE AT AN ACUTE ANGLE TO FORM A PLURALITY OF CUTTING EDGES AND A CENTRAL AXIAL HOLE BETWEEN SAID PARALLEL FACES, SAID AXIAL HOLE BEING TAPERED INWARDLY FROM SAID UPPER FACE, SAID INSERT BEING INDEXABLE TO UTILIZE EACH OF SAID CUTTING EDGES, A CUTTING TOOL BODY HAVING A RECESS THEREIN TO PROVIDE A BASE AND A SHOULDER FOR SUPPORT OF A FACE AND A PORTION OF THE PERIPHERAL SURFACE OF THE INSERT, SAID SHOULDER BEING TAPERED COMPLEMENTARY TO THE PERIPHERAL SURFACE OF THE INSERT, A RETENTION PIN AJDUSTABLY SECURED AT ONE END THEREOF IN THE CUTTING TOOL BODY, THE OTHER END OF SAID PIN PROJECTING INTO THE HOLE IN THE INSERT, SAID PROJECTING END BEING SYMMETRICAL ABOUT ITS CENTRAL AXIS AND BEING TAPERED SO AS TO FORM A COMPLEMENTARY TAPER WITH THE HOLE IN THE INSERT, THE LARGEST DIAMETER OF THE PROJECTING END OF SAID PIN BEING LESS THAN THE SMALLEST DIAMETER OF THE TAPERED HOLE IN THE INSERT, THE PROJECTING END OF SAID PIN BEING ADJUSTABLE TOWARD THE SHOULDER OF THE RECESS IN THE CUTTING TOOL BODY, SAID RETENTION PIN ADAPTED UPON SUCH AJUSTMENT TO LOCK SAID INSERT IN THE RECESS OF THE CUTTING TOOL BODY.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |