Patent ID: 6336246
Filing Date: 2002-01-08
Classification: E05D,E05Y,E06B,Y10T

Abstract:
A movement mechanism for sliding coplanar doors, said mechanism comprising: a structure, connecting rods arranged as a four-bar linkage, each having a distal pivot axis for assembly on a sliding door of said doors and another axis pivoted to a carriage, said carriage being movable on at least one track of said structure, able to slide said door behind the other door, a compensator unit providing a compensation travel of said carriage along the at least one track, said compensation travel being equal and opposite to a projection of an arc on a plane parallel to the door, said arc completed by a distal pivot axis of the connecting rods around a carriage pivot axis pivoted to a carriage upon the extraction or retraction of the door,said compensator unit including a tab extension on at least one of said connecting rods, said tab extension being opposite said distal pivot axis with respect to said carriage pivot axis; at least one slider movable along said carriage and pivotally engaged with said tab extension, said slider being spring biased by a spring to a retracted condition with respect to said carriage; and cam means engaged for movement with said carriage and said at least one slider and cooperating with a cam groove in said structure.