US Patent: 2,627,197
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Lathe
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Patentee:
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Robert G. LeTourneau (exact or similar names) - Longview, TX |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 12, 1947 |
Granted: |
Feb. 03, 1953 |
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Joel Havens
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Description: |
Webster & Webster - patent attorneys
This invention is directed to, and it is an object to provide, improvements in a machine lathe. Another object of the invention is to provide in a lathe, a head unit which is constructed and operates in a novel manner; such head unit being slidable in controlled relation longitudinally on the ways of the lathe and carrying a rotary quill or spindle for tool or work support, and a quill actuating, electric motor is mounted on the head unit for movement therewith. A further object of the invention is to provide a lathe head unit, as above, which includes a fluid pressure actuated power cylinder formed therein, and connected between said unit and a stationary part on the lathe bed so as to advance or retract the head unit on the lathe ways; there being stop means arranged to adjustably limit advancing motion of the head unit. An additional object is to provide a novel assembly of adjustable ways for the longitudinally movable head unit; such way assembly assuring of accurate non-chattering lineal motion of the head unit.
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