Patent US3816893A successfully refreshed from Google Patents.
US3816893A
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US
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Milling cutters
Assignee: Wickman Wimet Ltd
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Filing: 1973-04-13
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Granted: 1974-06-18
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Expires: 1993-04-13
Abstract
Abstract A milling cutter with spaced blades around its periphery, each blade carrying a detachable insert and the inserts being held on the blades by members which exert pressure between the adjacent blade and an insert, and screw means whereby the members can be adjusted to exert such pressure.
Inventors
- 👤 M Farrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:35
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2239; B23C5/2252; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/192; Y10T407/1932
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
69 words
A milling cutter comprising a body having a plurality of spaced peripheral slots in which are securable respective shoes, and members disposed between adjacent shoes, each of said members having a surface engageable with a shoe and a further surface engageable with an insert on an adjacent shoe, the members being provided with respective means whereby pressure is applied through said surfaces to hold the inserts onto adjacent shoes.
Claim 2
Dependent Claim
69 words
A milling cutter comprising a body having a plurality of spaced peripheral slots in which are securable respective shoes, and members disposed between adjacent shoes, each of said members having a surface engageable with a shoe and a further surface engageable with an insert on an adjacent shoe, the members being provided with respective means whereby pressure is applied through said surfaces to hold the inserts onto adjacent shoes.
Claim 3
Dependent Claim
46 words
A milling cutter as claimed in claim 1, in which each of the members disposed between adjacent shoes is provided with a formation for engagement in a co-operating formation in one of the shoes, each formation on the member forming said surface which engages the shoe.
Claim 4
Dependent Claim
21 words
A milling cutter as claimed in claim 2, in which the interengaging formations comprise a part-cylindrical portion engaging a part-cylindrical recess.
Claim 5
Dependent Claim
34 words
A milling cutter as claimed in claim 1 in which each of the means whereby pressure is applied comprises a screw engaged in the member and bearing upon an adjacent one of the shoes.
Claim 6
Dependent Claim
34 words
A milling cutter as claimed in claim 4, in which the members are disposed between portions of the shoes which project beyond the body surface, and the screws being accessible externally of the cutter.
References Cited (Backward Citations)
US1460030A
Cited
US3175276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |