US3173191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holders for use with detachable inserts
Assignee: Wickman Wimet Ltd
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Filing: 1963-09-30
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Granted: 1965-03-16
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Alexander John Ord
- 👤 Hargreaves James
- 👤 Brown Stanley Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:09
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1662; B23B2205/00; B23B2205/08; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2274; Y10T407/2276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A TOOL HOLDER FOR USE WITH AN INSERT WHICH COMPRISES A BODY IN THE FORM OF A REGULAR POLYGON HAVING A CENTRAL CYLINDRICAL HOLE EXTENDING THERETHROUGH, SAID TOOL HOLDER COMPRISING A SHANK, A PORTION OF REDUCED THICKNESS ONE END OF SAID SHANK, SAID PORTION OF REDUCED THICKNESS DEFINING A BASE FOR RECEIVING AN INSERT, AND A PAIR O F SIDE WALLS AT THE JUNCTION OF SAID BASE INCLINED AT AN ANGLE SAID INSERT, SAID SIDE WALLS BEING INCLINED AT AN ANGLE EQUAL TO THE ANGLE BETWEEN ADJACENT SIDES OF AN INSERT, A SCREW-THREADED BORE EXTENDING INTO SAID BASE, A SCREWTHREADED PIN ENGAGED IN SAID BORE AND HAVING AN EXTENSION OF TRUNCATED CONICAL FORM EXTENDING FROM SAID BORE INTO SAID CYLINDRICAL HOLE IN SAID INSERT, THE AXIS OF SAID BORE EXTENDING AT AN ACUTE ANGLE TO THE AXIS OF SAID HOLE IN SAID INSERT, SAID TRUNCATED-CONICAL EXTENSION MAKING LINE CONTACT WITH THE HOLE IN SAID INSERT, AND AXIAL MOVEMENT OF SAID PIN CLAMPING SAID INSERT AGAINST SAID SIDE WALLS.
Claim 2
Dependent Claim
168 words
A TOOL HOLDER FOR USE WITH AN INSERT WHICH COMPRISES A BODY IN THE FORM OF A REGULAR POLYGON HAVING A CENTRAL CYLINDRICAL HOLE EXTENDING THERETHROUGH, SAID TOOL HOLDER COMPRISING A SHANK, A PORTION OF REDUCED THICKNESS ONE END OF SAID SHANK, SAID PORTION OF REDUCED THICKNESS DEFINING A BASE FOR RECEIVING AN INSERT, AND A PAIR O F SIDE WALLS AT THE JUNCTION OF SAID BASE INCLINED AT AN ANGLE SAID INSERT, SAID SIDE WALLS BEING INCLINED AT AN ANGLE EQUAL TO THE ANGLE BETWEEN ADJACENT SIDES OF AN INSERT, A SCREW-THREADED BORE EXTENDING INTO SAID BASE, A SCREWTHREADED PIN ENGAGED IN SAID BORE AND HAVING AN EXTENSION OF TRUNCATED CONICAL FORM EXTENDING FROM SAID BORE INTO SAID CYLINDRICAL HOLE IN SAID INSERT, THE AXIS OF SAID BORE EXTENDING AT AN ACUTE ANGLE TO THE AXIS OF SAID HOLE IN SAID INSERT, SAID TRUNCATED-CONICAL EXTENSION MAKING LINE CONTACT WITH THE HOLE IN SAID INSERT, AND AXIAL MOVEMENT OF SAID PIN CLAMPING SAID INSERT AGAINST SAID SIDE WALLS.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |