Robot with improved cable routing system

Details Robot with improved cable routing system Robot with improved cable routing system

1987-11-09

1988-10-25

Spar, Robert J.

Material or article handling

Vertically swinging load support

414918, 414744R, 901 15, 901 28, 901 50, 248 52, 248 681, 248544, 182 65, 182 2, B66C 2300

Patent

active

047800453

ABSTRACT:
In a robot including a first robot part which pivots with respect to a second robot part about a pivotal axis, a cable routing system includes a multitude of flexible cables which are retained at spaced apart positions by first and second retainers so that the cables are spaced around the outside of a cylinder whose axis coincides with the pivotal axis. A first connector mechanism connects that first retainer to the first robot part so that the first retainer rotates with the first robot part about the pivotal axis during pivoting. A second connector mechanism connects the second retainer to the second robot part so that the second retainer is movable axially toward the first retainer against the biasing action of a spring along the pivotal axis and prevented from rotating about the pivotal axis during pivoting. Each of the retainers includes a slotted disk which separates and guides the cables. The system takes up relatively little space inside the robot, yet guides the cables so that they do not rub against each other or any other robot part. Also, the system places very little bending and twisting stresses on the cables. Consequently, cable life is extended.

REFERENCES:
patent: 180223 (1876-07-01), Grinnell
patent: 2517085 (1950-08-01), Cirillo
patent: 2754087 (1956-07-01), Johnson
patent: 3163880 (1965-01-01), Johnson
patent: 3776403 (1973-12-01), Billings
patent: 4218166 (1980-08-01), Abu-Akeel et al.
patent: 4378959 (1983-04-01), Susnjara
patent: 4625936 (1986-12-01), Hadden, Sr.
patent: 4632632 (1986-12-01), Simone
patent: 4643379 (1987-02-01), Potocnik
patent: 4659279 (1987-04-01), Akeel et al.
patent: 4705243 (1987-11-01), Hartmann et al.
patent: 4715571 (1987-12-01), Soltow et al.

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