WRIST FOR AN INDUSTRIAL LASER ROBOT

Title:

WRIST FOR AN INDUSTRIAL LASER ROBOT

Document Type and Number:

WIPO Patent Application WO/1990/008620

Kind Code:

A1

Abstract:

A wrist (26, 126, 226) for an industrial laser robot, which is provided at the tip of a robot arm (20, 120, 220) and which has a laser beam emitting portion (28, 128, 228), is equipped with a direct drive-type motor (Malpha, Mbeta, Mgamma) that works at least as a wrist drive source for the robot arm (20, 120, 220), a hollow drive shaft (30, 130, 230, 24, 124, 224, 240) that is driven by the direct drive motor (Malpha, Mbeta, Mgamma), and a brake (Balpha, Bbeta, Bgamma) which surrounds the hollow drive shaft (30, 130, 230, 24, 124, 224, 240) to come in contact therewith or separate away therefrom. A laser beam tubular path (30, 130, 230) is arranged in the hollow drive shaft (30, 130, 230, 24, 124, 224, 240) to make the robot arm (20, 120, 220) communicate with the laser beam emitting portion (28, 128, 228), and the laser beam is emitted from the laser beam emitting portion (28, 128, 228).

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Inventors:

TORII NOBUTOSHI (JP)
ITO SUSUMU (JP)
TERADA AKIHIRO (JP)
OKADA TAKESHI (JP)

Application Number:

PCT/JP1990/000084

Publication Date:

August 09, 1990

Filing Date:

January 25, 1990

Export Citation:

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Assignee:

FANUC LTD (JP)

International Classes:

B23K26/08; B23K26/10; B25J17/02; B25J19/00; (IPC1-7): B23K26/08; B25J17/00

Foreign References:

JPS6127589U	1986-02-19
JPS60146687A	1985-08-02
JPS62199284U	1987-12-18

Other References: