Material or article handling – Vertically swinging load support – Grab
Patent
1981-09-30
1984-02-14
Spar, Robert J.
Material or article handling
Vertically swinging load support
Grab
414718, 414 4, 414738, 74640, B25J 1702
Patent
active
044313667
ABSTRACT:
A wrist mechanism for an industrial robot having a robot casing, robot arms capable of extending from and contracting to the robot casing, a robot hand for gripping a workpiece, and a wrist arranged between the robot arms and the robot hand, comprises: two reduction gears with a high reduction ratio connected respectively to each of two high speed rotational driving motors, the two reduction gears cooperating with one another for generating two individual reduced rotational outputs, and; two transmitting mechanisms, connectable to the hand, for transmitting respectively the two reduced rotational outputs to the hand, thereby causing respectively rotational motion and swinging motion of the hand.
REFERENCES:
patent: Re28437 (1975-06-01), Devol et al.
patent: 2906143 (1959-09-01), Musser
patent: 3784031 (1974-01-01), Niitu et al.
patent: 4274802 (1981-06-01), Inaba et al.
Inaba Hajimu
Inagaki Shigemi
Ito Susumu
Nakashima Seiichiro
Fujitsu Fanuc Limited
Siemens Terrance L.
Spar Robert J.
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