Patents by Inventor Toshio Yasoshima

Toshio Yasoshima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tool change device and tool change method
    Patent number: 6071220
    Abstract: In the tool change device, a tool change arm 27 for changing a tool 25 with respect to a main spindle 24, a main tool magazine 29 including a plurality of hold grooves 30 arranged linearly for holding the tools 25, and a tool storage member 41 including at least one storage portion 46 for storing the tool 25 are arranged in the back-and-forth direction of the tool change device. In order that the tools 25 can be delivered between the tool change arm 27 and main tool magazine 29, between the main tool magazine 29 and tool storage member 41, and between the tool storage member 41 and tool change arm 27, a single tool loader L is disposed in such a manner that it can be moved in correspondence to the tool change arm 27, main tool magazine 29 and tool storage member 41.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: June 6, 2000
    Assignee: Nippei Toyama Corporation
    Inventors: Tsutomu Sugihara, Hisao Sasaki, Kazuoki Sakai, Kenichiro Morita, Toshio Yasoshima