VACUUM WALL CRAWLER Russian patent published in 2018 - IPC B62D55/265 

FIELD: machine building.

SUBSTANCE: group of inventions refers to variants of a vacuum crawler device for on-wall movement. Tracked device with vacuum track unit, containing a track frame, two pulleys installed in opposite ends of the track frame and forming a wheelbase, an endless track, containing a flexible band with a plurality of apertures, a vacuum distribution box. In one of the variants, the thickness of the flexible band is 5–20 % of the wheelbase. Alternatively, the flexible band is an outer band, the endless track further comprising an inner band comprising suction holes, providing allowing vacuum to pass between the vacuum distribution box and the portion of apertures. According to another variant, the flexible tape is an outer tape with a softness of 10–30 Shore.

EFFECT: it is possible to move over surfaces with obstacles and curved surfaces.

21 cl, 9 dwg