Jack Looms and Rugs
Perhaps not a well known tie-up system for rug weaving, this sort of loom is popular mainly in the usa in which it was developed during the early area of the twentieth century for handloom weaving. It is the type of loom useful for table looms and small foldable looms. On jack type flooring looms, the shafts are moved by jacks which are generally placed underneath the shafts. This sort gets rid of the need for the palace frame over the loom and is the reason why jack kind looms tend to be short.
The Jack Loom Shed
The shafts work when you are put various ins below the normal road of threads going straight through the breast beam towards straight back beam. This lower position is maintained with the shafts heavy enough with regards to their body weight to withstand the strain on warp threads. Weaving with a somewhat looser tension is necessary to keep consitently the shafts down, especially on a broad warp. You must realize that the reliance on gravity to hold heavier shafts down, without having them attached to the treadle, gives some disadvantages which are most memorable on larger or securely tensioned warps. To see more on Jack looms see: Jack looms