Vacuum traction device

Details Vacuum traction device Vacuum traction device

2008-07-29

2008-07-29

Morris, Lesley D. (Department: 3611)

Motor vehicles

With powered means for creating fluid force to attract...

Reexamination Certificate

active

11331884

ABSTRACT:
A traction device includes a continuous traction belt provided on a pair of opposing rollers. The traction belt includes openings such that a vacuum may be applied through the traction belt causing the traction device to cling to a working surface. A motor may be provided to drive one of the rollers and thereby drive the belt. A plurality of such traction devices may be coupled with a control mechanism to form a robot. A system is described for performing work or maintenance on a structure having an inclined working surface that includes a support robot for positioning at a high point on the structure and a payload robot attached to the support robot by an umbilical or tension cord for maneuvering along the working surface.

REFERENCES:
patent: 6102145 (2000-08-01), Fisher
patent: 6742617 (2004-06-01), Jeswine et al.
patent: 6964312 (2005-11-01), Maggio
patent: 2005/0072612 (2005-04-01), Maggio
patent: 2006/0278454 (2006-12-01), Maggio

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