Patent US3568849A successfully refreshed from Google Patents.
US3568849A
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Toolholding devices
Assignee: INTERTEC LE QUINTIN A CORP OF FRANCE Ste
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Filing: 1969-01-17
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Granted: 1971-03-09
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Expires: 1989-01-17
Abstract
Abstract A cutting tool is held in a carrier having a circumferential groove. The tool and the carrier are retained in an annular member by means of pin elements in the annular member which are spring loaded inwards into the groove. A plurality of such annular members are carried in a tool magazine.
Inventors
- 👤 James M Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/1552; B23Q3/15526; B23Q3/15536; B23Q2003/15527; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T483/00; Y10T483/18; Y10T483/1809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A tool magazine comprising means defining a plurality of cylindrical apertures, an externally stepped cylindrical toolholder having a lower portion inserted in one of the cylindrical apertures of the tool magazine, and an upper and larger diameter portion resting on the edge of the means defining the aperture, the toolholder having an internal stepped cylindrical aperture with a cutting tool received therein, the tool having a cylindrical portion of greater diameter than its cutting portion, the aperture in the toolholder having a lower portion receiving the cutting portion of the tool, and an upper and larger diameter portion receiving the said cylindrical pOrtion of the tool, the cylindrical portion of the tool having a circumferential recess therein, a plurality of radial pins passing through the toolholder, the outer ends of the pins each having a horizontal slot, a polygonal wire spring embracing the pins and passing through each of the slots to urge the pins radially inwards to engage in the circumferential recess in the cylindrical portion of said tool, the spring having two ends facing radially inwards and each inserted in a radial retaining hole in the toolholder.
Claim 2
Dependent Claim
189 words
A tool magazine comprising means defining a plurality of cylindrical apertures, an externally stepped cylindrical toolholder having a lower portion inserted in one of the cylindrical apertures of the tool magazine, and an upper and larger diameter portion resting on the edge of the means defining the aperture, the toolholder having an internal stepped cylindrical aperture with a cutting tool received therein, the tool having a cylindrical portion of greater diameter than its cutting portion, the aperture in the toolholder having a lower portion receiving the cutting portion of the tool, and an upper and larger diameter portion receiving the said cylindrical pOrtion of the tool, the cylindrical portion of the tool having a circumferential recess therein, a plurality of radial pins passing through the toolholder, the outer ends of the pins each having a horizontal slot, a polygonal wire spring embracing the pins and passing through each of the slots to urge the pins radially inwards to engage in the circumferential recess in the cylindrical portion of said tool, the spring having two ends facing radially inwards and each inserted in a radial retaining hole in the toolholder.
References Cited (Backward Citations)
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US2650570A
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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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |