Modular ink-jet print head

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/01 (2006.01) B41J 2/155 (2006.01) B41J 2/175 (2006.01) B41J 25/34 (2006.01)

Patent

CA 2119102

A modular ink-jet print head incorporates modules (1) with three distance pieces (20) on their peripheries, in order to maintain a constant space b between the modules (1). These are secured to the module part by their base surface (34) so as to stand upright on a reference plane. The distance pieces of one module are brought into contact with at least those of another module. A base plate (36) and two arms (38) that are arranged on two first sides of the base plate (36) form a U-shared module carrier (10). Attachment elements (23, 24, 25, 26) for the modules are arranged on the two second sides of the base plate (36) and adjustment means (27, 28) are arranged on the arms (38). Offset stop edges (29) for all the modules (1) are machined in the common opening (37) of the base plate (36) for the front edges of all the modules (1) on one side of the base plate that is parallel to one of the second sides of the base plate. The reference edges (21) of each module (1) are brought into contact with an associated stop edge (29) of the base plate so that defined lateral offset c is formed between the modules (1).

Cette invention concerne une tête d'impression à jet d'encre modulaire qui comprend des modules (1) ayant en périphérie trois pièces d'espacement (20) destinées à maintenir un écart b constant entre eux. Ces pièces sont fixées au module par leur base (34) de manière à être perpendiculaires à un plan de référence. Elles entrent en contact avec au moins celles d'un autre module. Un plateau (36) et deux bras (38) disposés sur les deux premiers côtés du plateau (36) forment un porte-module en U (10). Des fixations de module (23, 24, 25, 26) sont montées sur les deux seconds côtés du plateau (36) et des moyens de réglage (27, 28) sont prévus sur les bras (38). Des butées décalés (29)sont usinées pour tous les modules (1) dans l'ouverture commune (37) du plateau (36) vis-à-vis de la rive antérieure des modules (1) du côté dudit plateau parallèle à l'un des seconds côtés de celui-ci. Les rives (21) de chaque module (1) sont mises en contact avec la butée correspondant (29) du plateau pour ménager entre les modules (1) un espacement latéral c défini.

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