Dispensing apparatus

B - Operations – Transporting – 01 – L

Patent

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Details

B01L 3/02 (2006.01) B01L 9/00 (2006.01) G01N 35/10 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2493085

A pin support assembly (30) includes a pin support frame (32) having a plurality of apertures for supporting an array of pins (34) for dispensing fluids. The pins (34) are supported for longitudinal or "floating" movement to prevent damage to the pins. An actuation assembly (36) engages an end of each of the pins to ensure that the pins are properly seated in the support frame (32) in a planar fashion. The actuation assembly (36) engages the pins as the pins (34) move relatively toward a head block (26) and disengages the pins as the pins move relatively away from the head block (26).

La présente invention concerne un ensemble support d'aiguilles (30). Ledit ensemble comprend un cadre-support d'aiguilles (32) présentant une pluralité d'ouvertures permettant de supporter un réseau d'aiguilles (34) de distribution de fluides. Les aiguilles (34) sont supportées de manière à pouvoir se déplacer longitudinalement ou "flotter" afin d'empêcher une détérioration des aiguilles. Un ensemble d'actionnement (36) vient en contact avec une extrémité de chacune des aiguilles afin d'assurer que les aiguilles sont logées de manière appropriée dans le cadre-support (32) selon un plan. L'ensemble d'actionnement (36) vient en contact avec les aiguilles lorsque les aiguilles (34) se rapprochent relativement à un bloc de tête (26) et libère les aiguilles lorsque les aiguilles s'éloignent relativement au bloc de tête (26).

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