US Patent: 2,281,353
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| Full Universal All-Speed Milling Attachment
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Patentee:
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| Kuteman D. Hubbard (exact or similar names) - Los Angeles, CA |
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Patent Dates:
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| Applied: |
Feb. 20, 1939 |
| Granted: |
Apr. 28, 1942 |
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Joel Havens
Fray Milling Machine
"Vintage Machinery" entry for Fray Machine Tool Co.
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Description: |
| Luther T. Mack - patent attorney
This invention relates in general to milling machine attachments but more particularly to an all-angle, all-speed attachment for application to standard milling machines by means of which various and sundry milling operations may be effected which are not possible of accomplishment with other milling devices. An object is to provide a unitary attachment including an individual motor drive which is adapted to be mounted for longitudinal adjustment on and rotatable to an extent of 360 degrees around the usual over-arm of a standard milling machine so as to position a tool carried thereby at any desired angle in a vertical plane relative to the work, on which the tool is adapted to operate. Another object is to provide a tool mounting and driving means rotatably adjustable in a plane other than a vertical plane about the axis on which the unit is bodily adjustable for disposing, the tool in selected horizontal or inclined planes for operative engagement with the work. A further object is to provide a driven spindle for the tool which is suitably incorporated in said unit and includes a source of power such as an electric motor which is adjustably mounted for common adjustment with said spindle and for individual adjustment relative to said spindle for the purpose of quickly and easily changing the driving ratio between the motor and spindle when it is desired to vary the speed of the spindle in the performance of various kinds of work.
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