Horizontal articulated robot

Details Horizontal articulated robot Horizontal articulated robot

1985-05-24

1987-10-13

Spar, Robert J.

Material or article handling

Horizontally swinging load support

Swinging about pivot

901 15, 901 19, B25J 300

Patent

active

046995633

ABSTRACT:
A robot comprises a plurality of arms connected in series and articulated with one another so as to cooperatively move along a horizontal plane. A plurality of drive units are connected to rotate one arm relative to another around respective vertical axes. Each drive unit has an outer cylindrical frame from which one arm horizontally extends, and an inner cylindrical bracket from which another arm horizontally extends, the inner cylindrical bracket being coaxially disposed within and rotatable relative to the outer cylindrical frame. A drive motor is fixedly mounted within the inner cylindrical bracket and has a rotatable output shaft extending along the vertical axis. A reduction gear unit is interconnected between the drive motor output shaft and the inside of the outer cylindrical frame and transmits the rotational movement of the output shaft to the inner cylindrical bracket at a reduced rate so that the inner cylindrical bracket rotates around the vertical axis relative to the outer cylindrical frame.

REFERENCES:
patent: 3007097 (1961-10-01), Shelley et al.
patent: 4552505 (1985-11-01), Gorman
patent: 4557662 (1985-12-01), Terauchi et al.
patent: 4637776 (1987-01-01), Saito

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