| 摘要 |
PURPOSE: To reduce the overall size and weight of a dispenser by lessening the power and impact when a plurality of nozzle pieces are fitted to a chip. CONSTITUTION: A dispensation head 2, from which a plurality of nozzle pieces 64 are projecting downward, is fixed to the output part of a head drive mechanism 1. Each nozzle piece 64 is linked, at the base end part thereof, with a plunger mechanism and fitted, at the forward end part thereof, removably with a chip 31 into which a reagent is dispensed. Each nozzle piece 64 is fixed slidingly in the direction normal to the head body 21 and a level difference A is provided at the height of forward end face of each chip 6 when it is fully projected downward from the head body 21. |
