Tensioner devices for use with movable partition systems include endplates configured to be mounted on opposing sides or ends of a movable partition. At least one of the endplates includes a bracket configured for attachment to an end of a chain or a belt. The bracket is movable relative to the endplate. The endplate having the bracket also includes an adjustment mechanism located on a common side of the endplate with the bracket, and is operably coupled with the bracket. The adjustment mechanism is configured for adjusting a distance separating the bracket from the endplate. Movable partition systems include such tensioner devices. Methods of adjusting a tension in a chain or a belt of a movable partition system involve the use of such a tensioner device. Methods of installing movable partition systems within structures include the installation of such tensioner devices.

A vehicle sliding door trim assembly includes a sliding door panel movable between open and closed positions along a travel path. A door actuation assembly is connected with the sliding door panel. A trim panel is attached to the sliding door panel. The trim panel includes at least one slot formed therein. Guide tracks are positioned within the at least one slot. A plurality of rigid trim components are pivotally linked to each other and constrained within the guide tracks. The plurality of trim components pivot and slide within the guide tracks and seamlessly cover the at least one slot when the sliding door panel is moved along the travel path.

A vehicle sliding door trim assembly includes a sliding door panel movable between open and closed positions along a travel path. A door actuation assembly is connected with the sliding door panel. A trim panel is attached to the sliding door panel. The trim panel includes at least one slot formed therein. Guide tracks are positioned within the at least one slot. A plurality of rigid trim components are pivotally linked to each other and constrained within the guide tracks. The plurality of trim components pivot and slide within the guide tracks and seamlessly cover the at least one slot when the sliding door panel is moved along the travel path.