Patent US3220089A successfully refreshed from Google Patents.
US3220089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holders for cutting inserts
Assignee: TRASCO Inc
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Filing: 1963-12-06
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Granted: 1965-11-30
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Hammers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:41
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; B23B29/0341; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2226; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2244; Y10T407/227; Y10T407/2272; Y10T407/2282; Y10T407/2292; Y10T408/00; Y10T408/94; Y10T408/95; Y10T408/953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A CARTRIDGE-TYPE CUTTING INSERT HOLDER COMPRISING AN ELONGATE BLOCK GENERALLY OF L-SHAPE IN TRANSVERSE SECTION HAVING A HEAD PORTION AND A STEM PORTION EXTENDING LENGTHWISE THEREOF CONSTITUTING THE LEGS OF THE L, SAID STEM PORTION BEING NARROWER THAN SAID HEAD PORTION AND SAID HEAD PORTION PROJECTING LATERALLY BEYOND SAID STEM PORTION ALONG ONE SIDE OF SAID BLOCK, SAID STEM PORTION HAVING A FLAT FACE ON SAID ONE SIDE OF SAID BLOCK ENGAGEABLE WITH A TOOL BODY, SAID HEAD PORTION BEING FORMED TO PROVIDE A SEAT FOR A CUTTING TOOL INSERT AT ONE END OF THE BLOCK, SAID BODY HAVING MEANS ASSOCIATED THEREWITH FOR CLAMPING SAID INSERT ON SAID SEAT, SAID HEAD PORTION HAVING A FIRST THREADED HOLE EXTENDING INWARD FROM THE OTHER END OF THE BLOCK, A FIRST ADJUSTING SCREW THREADED IN SAID FIRST HOLE SASID STEM PORTION HAVING AN ELONGATE LONGITUDINAL SLOT EXTENDING THERETHROUGH ADJACENT SAID OTHER END OF THE BLOCK SPACED FROM SAID HEAD PORTION AND SAID FIRST THREADED HOLE FOR RECEIVING A SCREW FOR MOUNTING THE BLOCK ON A TOOL BODY, AND AID STEM PORTION FURTHER HAVING A SECOND THREADED HOLE EXTENDING TRANSVERSELY THERETHROUGH ADJACENT SAID ONE END OF THE BLOCK, AND A SECOND ADJUSTING SCREW THREADED IN SAID SECOND HOLE.
Claim 2
Dependent Claim
204 words
A CARTRIDGE-TYPE CUTTING INSERT HOLDER COMPRISING AN ELONGATE BLOCK GENERALLY OF L-SHAPE IN TRANSVERSE SECTION HAVING A HEAD PORTION AND A STEM PORTION EXTENDING LENGTHWISE THEREOF CONSTITUTING THE LEGS OF THE L, SAID STEM PORTION BEING NARROWER THAN SAID HEAD PORTION AND SAID HEAD PORTION PROJECTING LATERALLY BEYOND SAID STEM PORTION ALONG ONE SIDE OF SAID BLOCK, SAID STEM PORTION HAVING A FLAT FACE ON SAID ONE SIDE OF SAID BLOCK ENGAGEABLE WITH A TOOL BODY, SAID HEAD PORTION BEING FORMED TO PROVIDE A SEAT FOR A CUTTING TOOL INSERT AT ONE END OF THE BLOCK, SAID BODY HAVING MEANS ASSOCIATED THEREWITH FOR CLAMPING SAID INSERT ON SAID SEAT, SAID HEAD PORTION HAVING A FIRST THREADED HOLE EXTENDING INWARD FROM THE OTHER END OF THE BLOCK, A FIRST ADJUSTING SCREW THREADED IN SAID FIRST HOLE SASID STEM PORTION HAVING AN ELONGATE LONGITUDINAL SLOT EXTENDING THERETHROUGH ADJACENT SAID OTHER END OF THE BLOCK SPACED FROM SAID HEAD PORTION AND SAID FIRST THREADED HOLE FOR RECEIVING A SCREW FOR MOUNTING THE BLOCK ON A TOOL BODY, AND AID STEM PORTION FURTHER HAVING A SECOND THREADED HOLE EXTENDING TRANSVERSELY THERETHROUGH ADJACENT SAID ONE END OF THE BLOCK, AND A SECOND ADJUSTING SCREW THREADED IN SAID SECOND HOLE.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |