Patent US4097174A successfully refreshed from Google Patents.
US4097174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling cutter
Assignee: Individual
•
Filing: 1976-11-08
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Granted: 1978-06-27
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Expires: 1996-11-08
Abstract
Abstract A milling cutter includes a housing having an annularly extending groove and a plurality of recesses therein. Interchangeable inserts, each having a curved edge are mounted in the recesses with the curved edges resting in the annularly extending groove. At least one cutting element is mounted in each insert. The inserts are held in the recesses by clamping.
Inventors
- 👤 Werner Heinlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:06
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2204; B23C5/2226; B23C2220/00; B23C2220/36; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1932; Y10T407/1952; Y10T407/22; Y10T407/2212
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
135 words
A milling cutter form milling workpieces, the cutter comprising: a hub having an annularly extending circularly arched groove and a plurality of recesses therein; a plurality of interchangeable inserts each having a circularly arched edge, each insert being mounted in one of said recesses with its said circularly arched edge resting in said annularly extending circularly arched groove; clamping means for holding said inserts in said recesses; a plurality of cutting elements mounted in said interchangeable inserts; special recesses for inserts with outside guides provided in said hub and extending over its width; inserts provided with U-shaped, finely machined, especially ground guides fitting over edges of said special recesses, one of said edges of at least one of said special recesses being provided with at least one step and a wedge guided in said step.
Claim 2
Dependent Claim
135 words
A milling cutter form milling workpieces, the cutter comprising: a hub having an annularly extending circularly arched groove and a plurality of recesses therein; a plurality of interchangeable inserts each having a circularly arched edge, each insert being mounted in one of said recesses with its said circularly arched edge resting in said annularly extending circularly arched groove; clamping means for holding said inserts in said recesses; a plurality of cutting elements mounted in said interchangeable inserts; special recesses for inserts with outside guides provided in said hub and extending over its width; inserts provided with U-shaped, finely machined, especially ground guides fitting over edges of said special recesses, one of said edges of at least one of said special recesses being provided with at least one step and a wedge guided in said step.
Claim 3
Dependent Claim
35 words
A milling cutter according to claim 1, wherein said wedge is provided with ground edges for said U-shaped guides, edges of said wedge fitting against edges of its corresponding said special recess in said hub.
Claim 4
Dependent Claim
18 words
A milling cutter according to claim 1, including a substantially semicylindrical guide in said hub for said wedge.
Claim 5
Dependent Claim
36 words
A milling cutter according to claim 1, wherein at least some of said inserts are provided with two recesses for receiving cutting elements, said two recesses being displaced relative to the central plane of the hub.
Claim 6
Dependent Claim
19 words
A milling cutter according to claim 4, including a replaceable stop for at least some of said cutting elements.
Claim 7
Dependent Claim
35 words
A milling cutter according to claim 1, including an opening provided on one lower edge of at least some of said inserts for the insertion of a device for removing this insert from said hub.
Claim 8
Dependent Claim
103 words
A milling cutter for milling workpieces, the cutter comprising: a hub having an annularly extending circularly arched groove and a plurality of recesses therein; a plurality of interchangeable inserts each having a circularly arched edge, each insert being mounted in one of said recesses with its said circularly arched edge resting in said annularly extending circularly arched groove; clamping means for holding said inserts in said recesses; and a plurality of cutting elements mounted in said interchangeable inserts, and wherein said cutting elements are arranged in a sequence and are disposed at different radial heights relative to said annular groove of said hub.
Claim 9
Dependent Claim
103 words
A milling cutter for milling workpieces, the cutter comprising: a hub having an annularly extending circularly arched groove and a plurality of recesses therein; a plurality of interchangeable inserts each having a circularly arched edge, each insert being mounted in one of said recesses with its said circularly arched edge resting in said annularly extending circularly arched groove; clamping means for holding said inserts in said recesses; and a plurality of cutting elements mounted in said interchangeable inserts, and wherein said cutting elements are arranged in a sequence and are disposed at different radial heights relative to said annular groove of said hub.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |