Patent ID: 9212498
Filing Date: 2015-12-15
Classification: E04H

Abstract:
1. A self-propelled apparatus for cleaning an immersed surface, comprising: a. a body defining (i) a liquid inlet and (ii) a base; b. means for moving the body along the immersed surface in a travel direction; c. a protruding member extending from the base toward the immersed surface; d. an anti-blocking member (i) positioned in front of the protruding member in the travel direction, (ii) rotatable about a rotation axis fixed relative to the protruding member, and (iii) configured so as to be able to (A) roll over an obstacle of the immersed surface and (B) move the protruding member relative to the body in order to overcome the obstacle; and e. a common support for the protruding member and the anti-blocking member configured to be articulated relative to the body along a tilting axis substantially parallel to the rotation axis.