Title:
WRIST DEVICE FOR IDUSTRIAL ROBOT
Document Type and Number:
Japanese Patent JP3512679
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a wrist device for an industrial robot, in which pipe line members and wiring members are taken into the wrist device from tools at the front end of the wrist device so as to prevent them from being externally exposed, and with which the inspection and replacement of the pipe line members and the wiring members can be easily carried out outside of the wrist device so as to improve the maintainability and to avoid limitation to the drive range of the front end part of the wrist device.
SOLUTION: This wrist device for an industrial robot comprises a first hollow coupling member 3 supported to an arm 21 so as to be rotatable about a first axis 14, an outer housing 2 coupled to the first hollow coupling member 3 and having an access opening 20A, an intermediate housing 1 supported to the outer housing 2 so as to be rotatable about a second axis 15, and a tool support member 4 supported to the intermediate housing 1 so as to be rotatable about a third axis 16. Each of the first hollow coupling member 5, a second coupling member 7 and a third hollow couplinbg member 5 has a separated cavity througu which pipe line members and wiring members for supplying materials including hoses can pass.
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Inventors:
Torigoe, Yasuo
Okamoto, Hitoshi
Okamoto, Hitoshi
Application Number:
JP14969599A
Publication Date:
March 31, 2004
Filing Date:
May 28, 1999
Export Citation:
Assignee:
NACHI FUJIKOSHI CORP
International Classes:
B25J17/02; B25J19/00; (IPC1-7): B25J17/02; B25J19/00
Attorney, Agent or Firm:
河内 潤二