Material or article handling – Article manipulator moves analogous with human hand – finger,... – Having sealing or radiation shielding means
Patent
1985-05-22
1987-03-31
Paperner, L. J.
Material or article handling
Article manipulator moves analogous with human hand, finger,...
Having sealing or radiation shielding means
165 112, 414750, B25J 300
Patent
active
046539719
ABSTRACT:
The invention relates to a device for selectively positioning a tool carried by a vehicle moving on the perforated plate of a bank of tubes, said device being composed of a vehicle comprising transfer members mounted to slide in a central body and comprising on either side thereof jacks extending at right angles to the planes in which said members move and of which the mobile rods of said jacks comprise at their free end positioning fingers, which vehicle is connected by swivel joint means to an articulated telescopic arm comprising means for fixation to the opening giving access to the enclosure, which arm maintains the vehicle, in the course of its displacements in the enclosure, permanently in contact with said perforated plate. The invention is more particularly applicable to the maintenance of apparatus comprising banks of tubes, in particular steam generators of nuclear power stations.
REFERENCES:
patent: 4018344 (1977-04-01), Leshem
patent: 4303368 (1981-12-01), Dent et al.
patent: 4363592 (1982-12-01), Tedder
patent: 4393920 (1983-07-01), Shima et al.
patent: 4449599 (1984-05-01), Creek
Paperner L. J.
The Societe Anonyme Barras-Provence
Underwood Donald W.
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