US Patent: 3,012,304
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| Machine Tool Carriage Locking Means
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Patentee:
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| Havilah S. Hawkins (exact or similar names) - Sedgwick, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 28, 1957 |
| Granted: |
Dec. 12, 1961 |
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Patent Pictures:
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Joel Havens
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Description: |
| Smith, Mitchael & Gardner - patent attorneys
This invention relates generally to turning lathes and more particularly to a tool carriage for use in connection with such lathes. One object of the invention is to provide a novel tool carriage of minimum vertical height designed to be freely supported on the bed frame of the lathe for longitudinal sliding movement thereon, together with a novel cutting tool so disposed with respect to the work being operated upon that the forces developed by such opera- 15 tions are delivered to the lathe bed in a manner which eliminates the necessity for anchoring or fixedly securing the tool carriage to the lathe bed as is now required by conventional tool carriage and tool design. A further object of the invention is to distribute the weight of the carriage and tool support carried thereby so as to substantially eliminate any tendency of the tool carriage to tilt about an axis parallel to the work axis when the lathe is in operation. Another object of the invention is to provide in tool carriage of the character described, guide means co-operable with a longitudinal slot in the bed frame of a lathe, so as to guide the carriage accurately with respect to the work when the carriage is slidingly moved longitudinally along the bed frame manually and without the necessity of connection to a conventional carriage feed screw. Another object of the invention is to provide novel means for releasably locking the carriage to the bed frame of a lathe at any desired point within the range of permissible longitudinal sliding movement of the tool carriage thereon between the headstock and the tailstock of the lathe. Another object of the invention is to provide in a tool carriage of the character described, novel tool support means, together with means for moving the same longitudinally of the carriage and transversely with respect to the work axis of the lathe. Another object of the invention is to provide a tool carriage of the character described having a split hollow tool post designed to receive interchangeably the shank of a tool or of a tool rest, together with a split clamping collar rotatably mounted on the tool post for adjustment to desired positions angularly of the post axis. |
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