Flush window module for a vehicle and method for mounting same

A window module for a vehicle, in particular an automobile, comprising:

• a fixed window comprising an internal face and an external face,
• a movable window comprising an internal face and an external face, edges of the windows facing one another and defining a clearance between them, and the external faces of the windows being substantially aligned,
• an elongated guide extending along said edges and attached to the internal face of the movable window,
• an elongated upright extending along said edges and attached to the internal face of the fixed window, this upright having in cross-section a general U or L shape, one lateral branch of which extends along and facing said clearance, the upright comprising an external face which faces said internal face of said fixed window and/or said internal face of said movable window, said external face of said upright defining at least partly a housing extending along said edges and intended to receive at least one part of the guide, said upright further comprising an internal face opposite said external face, and
• a slide joint engaged at least partly in said housing, said slide joint defining a space for receiving said at least one part of the guide,
• wherein a trim element is fitted and attached to said internal face of the upright, this trim element having an elongated shape and extending along the upright, this trim element comprising at least one retaining member which projects from said external face of the upright and which passes through an orifice of said slide joint, said at least one retaining member comprising a face for retaining said at least one part of the guide in said housing, in a direction substantially perpendicular to a plane which is perpendicular to the internal faces of the windows and which passes through said clearance, and
• wherein said face of said at least one retaining member extends parallel to the plane and said face abuts against said slide joint.