Roller skate with pivotable front roller pair and rigid rear roller pair has front roller pair pivotably located by common axle arranged symmetrically

摘要

The roller skate with a pivotable front roller pair and a rigid rear roller (2) pair has the front roller pair (4) pivotably located by a common axis (5) arranged symmetrically so that on unloading the skate the front roller pair always automatically pivots back to the starting position. The rear rollers are provided with rigid axles (3).