Suction device capable of moving along a surface

Details Suction device capable of moving along a surface Suction device capable of moving along a surface

1990-11-21

1992-11-10

Hill, Mitchell J.

Motor vehicles

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

180 81, 180 85, 180 86, 180901, B60B 3900, B62D 57024

Patent

active

051616319

ABSTRACT:
A device capable of moving along a surface comprising at least two moving units, wherein the units are linked to each other by a coupling means device capable of being stretched and contracted, each of the units having a stating setting mechanism for selectively setting each of the units in a movable state for movement along the surface and in a surface-engaging state on the surface, and when one unit is set in a movable state and the other unit is set in a surface-engaging state and the coupling means is stretched or contracted, the one unit in the movable state is moved along the surface.

REFERENCES:
patent: 4321976 (1982-03-01), Reinke et al.
patent: 4719659 (1988-01-01), Urakami
patent: 4809383 (1989-03-01), Urakami
patent: 4860400 (1989-08-01), Urakami
patent: 4919223 (1990-04-01), Egger et al.
patent: 4926957 (1990-05-01), Urakami
patent: 4934475 (1990-06-01), Urakami
patent: 4997052 (1991-04-01), Urakami
patent: 5014803 (1991-05-01), Urakami

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