US3691883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe tool holder
Assignee: Individual
•
Filing: 1970-09-22
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Granted: 1972-09-19
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Expires: 1990-09-22
Abstract
Abstract A tool holder for a lathe having a spindle provided with a tool shank-receiving tapered bore at one end and an external keyway extending longitudinally from such end comprises tool support means adapted for securing a tool against rotation relative thereto, key means projecting from the support means and adapted to be received in the keyway for securing the support means against rotation relative to the spindle, and means on the support means cooperative with the key means for mounting the support means on the spindle end to support a tool coaxially with the spindle.
Inventors
- 👤 Maurice S Ingram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:40
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/008; B23B23/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1075; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17821; Y10T279/34; Y10T279/3406; Y10T403/00; Y10T403/57; Y10T403/5741; Y10T403/70; Y10T403/7047; Y10T403/7049; Y10T408/00; Y10T408/94; Y10T408/95; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
168 words
In combination with a lathe spindle provided with a tool shank-receiving tapered bore at one end and an external keyway extending from said end longitudinally of the spindle, a tool holder mounted on said spindle end and comprising: a cylindrical sleeve for receiving a tool therein, set screw means engaging said sleeve for securing a tool therein against rotation relative to the sleeve, a cylindrical sleeve projecting from said tool-receiving sleeve for receiving said spindle end therein to mount the toolreceiving sleeve on the spindle for supporting a tool coaxially with the spindle, whereby a tapered shank tool may be supported with the shank thereof received in said bore in frictional engagement with the bore wall, key means projecting inwardly from the inner surface of said projecting sleeve for reception in said keyway to secure said tool-receiving sleeve against rotation relative to said spindle, and set screw means engaging said projecting sleeve for securing said tool-receiving sleeve to said spindle with said key means received in said keyway.
Claim 2
Dependent Claim
168 words
In combination with a lathe spindle provided with a tool shank-receiving tapered bore at one end and an external keyway extending from said end longitudinally of the spindle, a tool holder mounted on said spindle end and comprising: a cylindrical sleeve for receiving a tool therein, set screw means engaging said sleeve for securing a tool therein against rotation relative to the sleeve, a cylindrical sleeve projecting from said tool-receiving sleeve for receiving said spindle end therein to mount the toolreceiving sleeve on the spindle for supporting a tool coaxially with the spindle, whereby a tapered shank tool may be supported with the shank thereof received in said bore in frictional engagement with the bore wall, key means projecting inwardly from the inner surface of said projecting sleeve for reception in said keyway to secure said tool-receiving sleeve against rotation relative to said spindle, and set screw means engaging said projecting sleeve for securing said tool-receiving sleeve to said spindle with said key means received in said keyway.
Claim 3
Dependent Claim
16 words
A combination as defined in claim 1 wherein said sleeves together comprise an integral one-piece body.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |