Wrist mechanism for industrial robot or the like

Details Wrist mechanism for industrial robot or the like Wrist mechanism for industrial robot or the like

1989-10-19

1991-09-24

Herrmann, Allan D.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74640, 901 29, F16H 3706, B25J 1702

Patent

active

050504509

ABSTRACT:
A wrist mechanism for an industrial robot of the type wherein wrist elements make rocking, rocking and revolving motions successively from the driving side to the driven side, which is reduced in quantity of motion transmitting parts and is small in size and light in weight but high in rigidity. The wrist mechanism comprises reduction gears provided at end portions on the joint side of driving side wrist elements which are individually provided in pair and cooperate with driven side wrist elements to constitute wrist joints to be operated by the reduction gears.

REFERENCES:
patent: 4586868 (1986-05-01), Nakashima et al.
patent: 4626165 (1986-12-01), Nakashima et al.
patent: 4671732 (1987-06-01), Gorman
patent: 4683772 (1987-08-01), Colimitra
patent: 4704065 (1987-11-01), Allared
patent: 4776232 (1988-10-01), Beyer
patent: 4780047 (1988-10-01), Holt et al.
patent: 4807486 (1989-02-01), Akeel et al.
patent: 4913617 (1990-04-01), Nicholson

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