US4165947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: Sandvik AB
•
Filing: 1978-02-01
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Granted: 1979-08-28
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Expires: 1998-02-01
Abstract
Abstract A cutting tool that has a body with an insert receiving a pocket at an extremity thereof and an insert on a support body which has surfaces complementary to support surfaces of the tool body and seated in the pocket. A cylindrical locking member is received in a bore that extends parallel to the pocket and a locking screw extends through the support body and through an open ended slot that joins the pocket and the bore and threadedly engages the locking member in such a manner that when the locking screw is tightened the insert and support member are locked into the tool body pocket and when the screw is loosened the insert, the support body, the locking screw, and the locking member can be removed from the tool body by sliding the same from the open ended slot.
Inventors
- 👤 Rune Smids
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:12
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2204; B23C5/2226; B23C2240/00; B23C2240/12; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1932; Y10T407/22; Y10T407/227
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
142 words
A cutting tool comprising: a tool body with a pocket to removably receive a support body having a cutting insert at one extremity thereof, said pocket presenting abutment surfaces complementary with support surfaces of said support body, a straight cylindrical bore disposed in one of said tool body and said support body while extending parallel to a direction of insertion and removal of said support body, a locking member of cylindrical shape displaceable longitudinally in said cylindrical bore, and holding means comprising a locking screw extending through said support body and threadably engaging said locking member, said locking screw extending through an open-ended slot which is disposed in said one of said tool body and support body and which terminates at an exterior surface thereof such that the support body is detachable from said tool body merely upon loosening of said screw.
Claim 2
Dependent Claim
142 words
A cutting tool comprising: a tool body with a pocket to removably receive a support body having a cutting insert at one extremity thereof, said pocket presenting abutment surfaces complementary with support surfaces of said support body, a straight cylindrical bore disposed in one of said tool body and said support body while extending parallel to a direction of insertion and removal of said support body, a locking member of cylindrical shape displaceable longitudinally in said cylindrical bore, and holding means comprising a locking screw extending through said support body and threadably engaging said locking member, said locking screw extending through an open-ended slot which is disposed in said one of said tool body and support body and which terminates at an exterior surface thereof such that the support body is detachable from said tool body merely upon loosening of said screw.
Claim 3
Dependent Claim
18 words
Cutting tool as defined in claim 1, wherein said bore and slot are disposed in said tool body.
Claim 4
Dependent Claim
18 words
Cutting tool as defined in claim 1, wherein said bore and slot are provided in the support body.
Claim 5
Dependent Claim
21 words
Cutting tool as defined in claim 1, wherein the support body is of parallelepipedic shape with said slot extending diagonally therethrough.
Claim 6
Dependent Claim
22 words
Cutting tool as defined in claim 1, wherein the cylindrical bore is defined by a cylindrically widened intermediate portion of said slot.
Claim 7
Dependent Claim
45 words
Cutting tool as defined in claim 1, wherein the tool body is in the shape of a rotary milling cutter having equally spaced pockets around its circumference for the receipt of insert-carrying support bodies, said pockets extending parallel to the axis of said milling cutter.
Claim 8
Dependent Claim
47 words
Cutting tool as defined in claim 1, wherein the tool body is in the shape of an oblong cutting tool holder having a pocket at one end portion thereof for the receipt of said support body, said pocket extending parallel to the axis of said tool holder.
References Cited (Backward Citations)
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US3289273A
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US3839772A
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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) | 1982-08-27 | 1983-02-26 | 1983-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-27 | 1987-02-26 | 1987-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-27 | 1991-02-26 | 1991-08-28 | $7700.00 | Window Closed / Lapsed |