Jointed robot arm comprises a hollow support column and arm pivoted on it, spring made from composite material containing stretchable fibers linking inner end of segment to fixing point at base of column

摘要

The jointed robot arm comprises a hollow support column (2), to which an arm segment (3) is attached by a pivot (5). A spring (8) inside the column links the inner end of the segment to a fixing point (9) at its base. The spring is made from composite material containing stretchable fibers.