Marking apparatus comprising at least one guiding member and at least one drive carriage

Marking apparatus, comprising a frame, a marking tool and at least one carriage for driving this marking tool, the or each carriage being mounted to slide with respect to at least two guiding members,

• wherein a first guiding member is housed in an opening made in the carriage, a slide bearing comprising a sheath formed from a resin polymerizable to the solid state being interposed between this first guiding member and the opposite walls of the corresponding opening, while holding means are provided, adapted to maintain the or each other guiding member with respect to the carriage, while allowing a transverse clearance between the carriage and the or each other guiding member, the holding means defining a volume for receiving the or each other guiding member, this receiving volume opening out on one side of the carriage.