US Patent: 2,188,742
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| Tool Holder
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Patentee:
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| Ole Severson (exact or similar names) - Shelton, Fairfield County, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 02, 1939 |
| Granted: |
Jan. 30, 1940 |
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Patent Pictures:
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Joel Havens
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Description: |
| Abstract:
It is among the prime objects of the present invention to provide a tool-older which, through cooperation with its tool head, will act to hold a tool bit with an improved rigidity ensuring minimum vibration, or chatter, between the holder and its supporting head. Another object is to provide a tool-holder which will have both a side and bottom support and bearing against the tool head in addition to the usual support and bearings of such devices. Another object is to provide a tool-holder which will minimize the overhang of the tool with respect to its tool head. Other objects include the provision of a tool-holder which carries out the foregoing advantages in a novel, simple device particularly designed to meet the demands of economic manufacture. A further object of the present invention is to provide a device carrying further the principles set forth in my prior patent 2,031,334 by providing double backing supports and bearings.
Claim:
A tool-holder comprising an elongated rectangular shank adapted to be received within a tool post and having an integrally formed head extending from the front face of the shank and being offset forwardly and to one side with respect to said shank so as to extend beyond the front face and one side wall of said shank, providing said head with a rear wall parallel to and oppositely facing the plane of said front face thus to form a surface adapted to abut the front face of a tool post within which said shank is secured, and having a similar supplemental shank integrally formed with said first mentioned shank and extending right angularly therefrom, and a similar offset head carried by said supplemental shank providing parallel to and oppositely facing the plane of a tool post surface right angularly related to the front surface and forming a surface adapted to abut said right angularly related surface. |
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