Motor vehicles – Special driving device – Stepper
Patent
1990-06-18
1993-05-25
Hill, Mitchell J.
Motor vehicles
Special driving device
Stepper
187 95, B66C 300, E04G 314
Patent
active
052131726
ABSTRACT:
A robot is apt to climb along a trestle structure, particularly the trestle of a pole for high-voltage overhead electric lines, in order to carry work tools from the base to the top of the pole. The robot includes a main support body, at least one slide movable along the body, a first gripping hand carried by the body, a second gripping hand carried by the slide, arms for moving the gripping hands substantially perpendicular to the pole, each gripping hand being equipped with clamping fingers for gripping either an upright of the pole or a ledger of the trestle structure, and at least one position sensor associated with the body for acquiring position data concerning the configuration of either the pole or the trestle structure.
REFERENCES:
patent: 3811320 (1974-05-01), Cowell
patent: 4637494 (1987-01-01), Iida et al.
patent: 4660678 (1987-04-01), Krag
patent: 4674949 (1987-06-01), Kroczynski
patent: 4738583 (1988-04-01), Macconochie et al.
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