Abstract: This invention relates to a marking apparatus which comprises a frame, a marking tool and at least one drive carriage, mounted to slide with respect to at least two guiding members. 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 means are provided for holding the other guiding member with respect to the carriage, while allowing a transverse clearance between the carriage and the other guiding member, the holding means defining a volume for receiving the other guiding member which opens out on one side of the carriage.

Abstract: This invention relates to a device for machining pieces with the aid of a laser beam, which comprises a laser adapted to emit a laser beam, a first reflecting mirror placed on the path of the emitted beam in order to reflect an intermediate beam, and a second reflecting mirror placed on the path of this intermediate beam, so as to direct a machining beam towards the pieces to be treated.

Abstract: A marking machine including a frame, an arm articulated on the frame about an axis of articulation, and a marking tool movably mounted on the arm, The marking tool is movable in translation with respect to the arm.

Abstract: This invention relates to a marking device for making two-dimensional identification signs on the surface of any object, of the type in which the micro-percussion tool is borne axially by a slewable rod which is retained angularly along its axis and which penetrates in a fixed housing through a Universal joint allowing free orientation thereof in all directions along an axis of symmetry, characterized in that orientation of the rod is controlled with the aid of two independent motors which act on one and the other, respectively, of the two orthogonal pivot pins of the joint.

Abstract: Disclosed is a marking device, wherein the two telescopic jacks which control orientation of the tool-holder rod are coupled to the wall of the fixed casing with the aid of ball-and-socket joints disposed along the plane transverse to the rod which passes through the centre of the articulated linkage supporting the rod.

Abstract: A device for marking objects by micro-percussion pneumatic tools including a vibrating tip wherein the tools are mounted on a carriage which is slidably mounted with respect to two support shafts and which is moved along an axis of translation by a first drive member and wherein the carriage is pivotally mounted to swing the tip of the tool in a direction perpendicular to the direction of translation by a second drive member.

Abstract: A device and process for adjusting the position of a tool-holder head along an axis with the tool-head moving along a guiding element and with a pulley mounted to rotate freely on a shaft secured to the tool-holder head and which is moveable along a taut cable. A maneuvering handle is provided and may be in mesh with the pulley in order to drive it or may be moved away therefrom so as to be free to rotate on the shaft.