Patent ID: 9085367
Filing Date: 2015-07-21
Classification: B64D,Y10T

Abstract:
1. An apparatus for moving an object on a rail comprising a plurality of grid openings, comprising: a first movement element comprising a longitudinal element having a first and a second lateral walls; a first drive element; and an engagement element for engaging at least one of the plurality of grid openings, the engagement element comprising a plurality of sets, each set comprising a first pair and a second pair, each pair comprising a first and a second cylindrical bodies extending laterally from the first and the second lateral walls, respectively, wherein a first distance between a first pair of a first set and a second pair of a second set is greater than a second distance between the first and second pairs of the first set; wherein the first drive element is connected to the first movement element for driving the first movement element, and wherein the first movement element is movably held in such a way that the engagement element is at least in some regions guided along edges of the grid openings.