Abstract: A drug delivery device includes a housing defining a shell and an inner volume, a cassette, a door coupled to the housing, a drive mechanism, and a latching assembly. The cassette is removably disposed within the inner volume and is adapted to contain a drug to be administered to a user. The door at least partially encloses the inner volume of the housing and includes a first end defining a latching portion. The drive mechanism is at least partially disposed within the housing and exerts a force to urge the drug out the cassette. The latching assembly is coupled to the drive mechanism and includes a first end and a second end. Upon actuating the drive mechanism, the drive mechanism causes the latching assembly to engage the latching portion of the door to secure the door to the housing.

Abstract: A kit, a method, and a coloring unit, for preparing a colored sample of paint, lacquer or varnish for the selection, by the user, of a desired color of a paint, lacquer or varnish to be applied to a wall or to a support, where the kit allows users to produce a reduced quantity of sample of paint, lacquer or varnish thanks to the possibility of employing specifically conceived pre-dosed coloring units, and thanks to the possibility of having available precise indications about the type and the quantity of coloring units to be added to the base paint, varnish or lacquer to obtain a determined color, also as a function of different quantities of the base paint, lacquer or varnish.

Abstract: A drug delivery device includes a housing defining a shell and an inner volume, a cassette, a door coupled to the housing, a drive mechanism, and a latching assembly. The cassette is removably disposed within the inner volume and is adapted to contain a drug to be administered to a user. The door at least partially encloses the inner volume of the housing and includes a first end defining a latching portion. The drive mechanism is at least partially disposed within the housing and exerts a force to urge the drug out the cassette. The latching assembly is coupled to the drive mechanism and includes a first end and a second end. Upon actuating the drive mechanism, the drive mechanism causes the latching assembly to engage the latching portion of the door to secure the door to the housing.