Actuator coupling system and a pipetting module comprising...

B - Operations – Transporting – 01 – L

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B01L 3/00 (2006.01) B01L 9/00 (2006.01) F04B 19/00 (2006.01) F04B 19/02 (2006.01) F04B 43/04 (2006.01) F04B 43/09 (2006.01) G01N 35/10 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2391509

A system for coupling a macroactuator to a movable element of a micromachined device, said system comprising (a) a micromachined device (11) having a movable element, (b) a first body (51) adapted for holding a macroactuator, said first body (51) having a side wall having an outer surface and a bottom having an outer surface, (c) a macroactuator (41) which has an upper end (45) and a lower end (43), and which is mechanically mounted on said first body (51), (d) a second body (61) having an upper outer surface, a lower outer surface, and a bore (62) for receiving said first body (51), the size of said bore (62) and the size of said first body (51) being such that the outer surface of the first body (51) snugly fits within said bore (62), (e) means (71, 72, 73, 75) for fixing the axial position of said first body (51) within said bore (62), and (f) means for mounting said micromachined device (11) on said second body (61) in such a way that the upper end (45) of the actuator exerts a predetermined force or pressure on said movable element of said micromachined device (11).

L'invention porte sur un système de couplage d'un macro-actionneur à un élément mobile d'un dispositif micro-usiné, ledit système comportant: (a) un dispositif (11) micro-usiné présentant un élément mobile; (b) un premier corps (51) maintenant le macro-actionneur et comportant une paroi latérale présentant une surface extérieure et un fond présentant une surface extérieure; (c) un macro-actionneur (41) comportant une extrémité supérieure (45) et une extrémité inférieure (43), et monté mécaniquement sur le premier corps (51); (d) un deuxième corps (61) présentant une surface extérieure supérieure, une surface extérieure inférieure, et un alésage (62) recevant le premier corps (51), la taille de l'alésage (62) et la taille du premier corps (51) étant telles que la surface extérieure du (51) s'adapte intimement à celle de l'alésage (62); (e) des moyens (71, 72, 73, 75) de fixation de la position axiale du premier corps (51) dans l'alésage (62); et (f) des moyens de montage dudit dispositif (11) micro-usiné sur le deuxième corps (61) de manière à ce que l'extrémité supérieure (45) de l'actionneur exerce une force prédéterminée sur ledit élément mobile dudit dispositif (11) micro-usiné.

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