Eccle'smultiple box motion:
The main objective of multiple box motion is to change colour of weft yarn as per fabric weft pattern. It is mounted at each side of the loom. If a fabric having more than one colour or count in the weft yarn, the multiple box motion gets compulsory in the loom.
The eccle's dropbox motion is positive multiple box motion. A pattern cylinder is used to select the shuttle box. 4 shuttle boxes are used in this type of dropbox motion at one side of the machine.
Structure of eccle's dropbox motion: