Patent US3648341A successfully refreshed from Google Patents.
US3648341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for locking a cutting plate on the body of a toolholder
Assignee: ELECTRO METALLURGIE
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Filing: 1970-02-24
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Granted: 1972-03-14
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Expires: 1990-02-24
Abstract
Abstract This invention relates to a device for locking a cutting plate with its support plate on the body of a toolholder comprising a screw which passes through the cutting plate and the support plate before being screwed into the body of the toolholder, wherein the body of the toolholder has a tapped housing receiving an externally threaded sleeve, said sleeve itself having a tapped housing intended for receiving the screw.
Inventors
- 👤 Guy Viellet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:16
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1662; B23B2205/00; B23B2205/04; B23B2205/16; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/227; Y10T407/2272; Y10T407/2274; Y10T407/2276
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
121 words
A cutting tool comprised of a toolholder having a cutting plate receiving area, an access area opposite said receiving area and a threaded aperture extending through said toolholder between said receiving area and said access area; a sleeve threaded into said aperture having a threaded aperture therein and provided with means to turn said sleeve from the access area side of said toolholder to cause said sleeve to advance therethrough towards said receiving area; a cutting plate including a tapered aperture positioned on said cutting plate receiving area; and a conically headed screw positioned through the tapered aperture of said cutting plate and threadably engaged with the threaded aperture of said sleeve to lock said cutting tool on said tool holder.
Claim 2
Dependent Claim
121 words
A cutting tool comprised of a toolholder having a cutting plate receiving area, an access area opposite said receiving area and a threaded aperture extending through said toolholder between said receiving area and said access area; a sleeve threaded into said aperture having a threaded aperture therein and provided with means to turn said sleeve from the access area side of said toolholder to cause said sleeve to advance therethrough towards said receiving area; a cutting plate including a tapered aperture positioned on said cutting plate receiving area; and a conically headed screw positioned through the tapered aperture of said cutting plate and threadably engaged with the threaded aperture of said sleeve to lock said cutting tool on said tool holder.
Claim 3
Dependent Claim
50 words
The cutting tool as defined in claim 1 including a support plate disposed between said cutting plate and said toolholder and including a tapered aperture for receiving a tapered split ring which engages the tapered aperture of said support plate and which engages forcibly the threaded aperture of said toolholder.
References Cited (Backward Citations)
US2598581A
Cited
US3059316A
Cited
US2877535A
Cited
US2887760A
Cited
US3354526A
Cited
US3289272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |