A SUPPORT AND HOLDING ASSEMBLY FOR A PORTABLE ELECTRONIC DEVICE, AND A VEHICLE DASHBOARD PROVIDED WITH THIS SUPPORT AND HOLDING ASSEMBLY

A support and holding assembly (1) for a portable electronic device (9) has a support member (6) with a coupling portion (10) at one end to couple the portable electronic device in a reference position; the support member (6) can be moved in relation to a support structure (3) between a withdrawn rest position and an advanced position, when acted on by a first transmission, and carries a retention member (33) that can be moved to and from an engaged position, in which it locks, in use, the portable electronic device in the reference position.