Mixing member for blenders

Abstract

A mixing member, which is mounted to rotate axially inside the cylindrical tub of a blender; the mixing member having a number of longitudinal blades, which extend parallel to a reference longitudinal axis of the mixing member, and are spaced angularly about the aforementioned longitudinal axis to form a squirrel-cage structure bounded laterally by a cylindrical reference surface coaxial with the aforementioned longitudinal axis; each of the longitudinal blades having an outer lateral edge lying on the cylindrical reference surface and the outer lateral edge of each longitudinal blade being fitted with a scraper shoe, which includes a supporting plate fixed rigidly to the outer lateral edge so as to be substantially tangent to the cylindrical reference surface, and a straight scraper body which rests on the outer face of the supporting plate, has a longitudinal ridge facing outwards of the mixing member, and is fixed to the supporting plate to slide freely on the surface of the outer face in a direction locally tangent to the cylindrical reference surface.

Description

technical field [0001] The invention relates to mixing elements for mixers. Background technique [0002] Blenders are well known for making homemade ice cream and generally consist of: a cylindrical container into which the various ingredients for making the desired amount of ice cream are poured; a device for cooling and keeping the container and its contents a cooling assembly at a temperature between -10°C and -35°C; and a rotating mixing member mounted to rotate within the container to mix the various ingredients at different stages of preparation of the ice cream. [0003] In addition, the mixing member is shaped to continuously scrape the entire cylindrical inner surface of the container to prevent the ingredient mixture therein from adhering to the side walls of the container due to the low temperature of the container. [0004] More specifically, most currently marketed mixing members extend coaxially with a longitudinal axis which, in use, coincides with the axis ...

AI Technical Summary

Problems solved by technology

[0007] The main disadvantage of the known mixing elements, although very effective, is that they are very difficult to clean, as ice cream tends to build up inside the cavities housing the helical spring and scraper attachments, and with all the obvious flaws left over from the above reasons. question

[0008] The known mixing member also has the disadvantage that it operates poorly when the scraper attachment is used to remove thicker and harder ice cream from the walls of the container, for example due to a stronger cooling of the side walls of the container

Images