Machine tool
AssigneeToshiba Kikai Kabushiki Kaisha
InventorTakazumi Watanabe
Life of this patent
Estimating the term…
Abstract
A machine tool provided with a universal head free from restrictions on its swivel operation due to the presence of a power cable to a motor directly driving a spindle and consequently expanded in range of movement, provided with a ram serving as a support, a swivel member held by the ram to be able to swivel about a predetermined swivel axis, a tool mounting member held at the swivel member, rotatably holding at its front end a spindle to which a tool is mounted, and provided with a motor for driving the spindle, a generator provided at the swivel member and generating power used by the motor, and a power source provided at the ram and supplying power to the generator.
Claims3
A machine tool comprising:
- a support;
- a swivel unit held at said support to be able to swivel about a predetermined axis;
- a tool mount held at said swivel unit, rotatably holding at its front end a spindle to which a tool is mounted, and provided with a motor for driving said spindle;
- a generator provided at said swivel unit and generating power used by said motor;
- and
- a power source provided at said support and supplying power to said generator.
Dependencies are inferred from the claim text.