Patent US2094281A successfully refreshed from Google Patents.
Patent US3156031A successfully refreshed from Google Patents.
US3156031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder
Assignee: Santrade Ltd
•
Filing: 1961-09-07
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Granted: 1964-11-10
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Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 Lundgren Evert Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:22
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1625; B23B27/1633; B23B27/1666; B23B27/1674; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2282; Y10T407/2286; Y10T407/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A TOOL HOLDER COMPRISING A HOLDER SHANK, A CUTTING INSERT AND A CLAMPING JAW FOR CLAMPING SAID INSERT AGAINST A BOTTOM SUPPORT SURFACE IN AN INSERT SITE IN SAID SHANK, AN ABUTMENT SURFACE POSITIONED ON SAID SHANK ADJACENT SAID INSERT SITE SUBSTANTIALLY PERPENDICULAR TO SAID BOTTOM SURFACE, A PIVOT BEARING BETWEEN SAID HOLDER SHANK AND SAID CLAMPING JAW REMOTE FROM SAID INSERT SITE, A PIN SLIDABLY MOUNTED IN A BORE IN THE HOLDER SHANK, A SPRING POSITIONED TO PRESS SAID PIN UPWARDLY TOWARDS SAID CLAMPING JAW, SAID PIN HAVING AN INCLINED SURFACE AND AN INCLINED SURFACE ON SAID CLAMPING JAW POSITIONED TO BE ENGAGED BY SAID INCLINED SURFACE ON SAID PIN WHEREBY TO MOVE SAID CLAMPING JAW TO ENGAGE SAID ABUTMENT SURFACE.
Claim 2
Dependent Claim
122 words
A TOOL HOLDER COMPRISING A HOLDER SHANK, A CUTTING INSERT AND A CLAMPING JAW FOR CLAMPING SAID INSERT AGAINST A BOTTOM SUPPORT SURFACE IN AN INSERT SITE IN SAID SHANK, AN ABUTMENT SURFACE POSITIONED ON SAID SHANK ADJACENT SAID INSERT SITE SUBSTANTIALLY PERPENDICULAR TO SAID BOTTOM SURFACE, A PIVOT BEARING BETWEEN SAID HOLDER SHANK AND SAID CLAMPING JAW REMOTE FROM SAID INSERT SITE, A PIN SLIDABLY MOUNTED IN A BORE IN THE HOLDER SHANK, A SPRING POSITIONED TO PRESS SAID PIN UPWARDLY TOWARDS SAID CLAMPING JAW, SAID PIN HAVING AN INCLINED SURFACE AND AN INCLINED SURFACE ON SAID CLAMPING JAW POSITIONED TO BE ENGAGED BY SAID INCLINED SURFACE ON SAID PIN WHEREBY TO MOVE SAID CLAMPING JAW TO ENGAGE SAID ABUTMENT SURFACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |