A link mechanism for an information apparatus, the link mechanism suitable for being arranged between an upper surface of a first housing of the information apparatus and a back surface of a second housing of the information apparatus; coupling the first housing and the second housing; and allowing the second housing to tilt in an upper space of the first housing from the first housing and the second housing in a superposed state, the link mechanism comprising: a link provided with a first rotation axis at one end and provided with a second rotation axis at another end; a first bracket that is configured to be provided on a side of the first housing and is configured to pivotally support the first rotation axis; a second bracket that is configured to be provided on a side of the second housing and is configured to pivotally support the second rotation axis; and an urging part configured to urge the link in a direction in which the second rotation axis moves away the first housing, wherein the link mechanism is configured such that, when the first bracket is attached to the first housing and the second bracket is attached to the second housing, the urging part is configured to cause one end of the second housing to slide over the first housing and to perform a tilting movement when the second housing tilts with respect to the first housing, wherein the link mechanism further includes a slide mechanism configured to be provided on the side of the first housing, the slide mechanism including: a slide rail configured to allow the first bracket to move; and a slide and lock mechanism configured to fix the first bracket in the state in which the second housing is superposed over the first housing when the second housing tilts from the first housing, and to stop movement of the first bracket in stages when the first bracket moves over the slide rail, and wherein the slide and lock mechanism includes: a lock-groove rail that is configured to be attached on the side of the first housing in parallel to the slide rail and is provided with a lock groove; and a lock lever mechanism configured to engage with, and separate from, the lock groove of the lock-groove rail and further configured to be attached to the first bracket. a link provided with a first rotation axis at one end and provided with a second rotation axis at another end; a first bracket that is configured to be provided on a side of the first housing and is configured to pivotally support the first rotation axis; a second bracket that is configured to be provided on a side of the second housing and is configured to pivotally support the second rotation axis; and an urging part configured to urge the link in a direction in which the second rotation axis moves away the first housing, wherein the link mechanism is configured such that, when the first bracket is attached to the first housing and the second bracket is attached to the second housing, the urging part is configured to cause one end of the second housing to slide over the first housing and to perform a tilting movement when the second housing tilts with respect to the first housing, wherein the link mechanism further includes a slide mechanism configured to be provided on the side of the first housing, the slide mechanism including: a slide rail configured to allow the first bracket to move; and a slide and lock mechanism configured to fix the first bracket in the state in which the second housing is superposed over the first housing when the second housing tilts from the first housing, and to stop movement of the first bracket in stages when the first bracket moves over the slide rail, and a slide rail configured to allow the first bracket to move; and a slide and lock mechanism configured to fix the first bracket in the state in which the second housing is superposed over the first housing when the second housing tilts from the first housing, and to stop movement of the first bracket in stages when the first bracket moves over the slide rail, and wherein the slide and lock mechanism includes: a lock-groove rail that is configured to be attached on the side of the first housing in parallel to the slide rail and is provided with a lock groove; and a lock lever mechanism configured to engage with, and separate from, the lock groove of the lock-groove rail and further configured to be attached to the first bracket. a lock-groove rail that is configured to be attached on the side of the first housing in parallel to the slide rail and is provided with a lock groove; and a lock lever mechanism configured to engage with, and separate from, the lock groove of the lock-groove rail and further configured to be attached to the first bracket.