Wrist unit for industrial robot

Details Wrist unit for industrial robot Wrist unit for industrial robot

1992-01-30

1993-08-03

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

901 15, 901 23, 901 25, 901 29, B25J 1702, G05G 1100

Patent

active

052318893

ABSTRACT:
A wrist unit for an industrial robot includes an arm member with a motor installed therein and having a pair of integral guide portions. Holes are formed in respective guide portions, the holes being coaxial. A wrist member having receiving portions is disposed in a space formed between the guide portions. Two intermediate members are attached by fasteners to the wrist member and project into bearings mounted in the holes. A pair of cover members are fastened on opposite sides of the guide portions in order to retain the bearings.

REFERENCES:
patent: 4685861 (1987-08-01), Huetsch
patent: 4949586 (1990-08-01), Akagawa
patent: 4991456 (1991-02-01), Shibata et al.
patent: 4998830 (1991-03-01), Tounai et al.
patent: 5016489 (1991-05-01), Yoda

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