Apparatus for training and strengthening muscles and skill. Priority of the german utility models 1896025, of 4-3-1964, and 1899744, of 11-6-1964 (Machine-translation by Google Translate, not legally binding)

摘要

Apparatus for training and strengthening of muscles and skill with a shaft whose arms or crankshaft sections are 180º dialed are immediately attached to two wheels characterized by park the tree is provided on both sides with a support crankshaft being aligned axially and placed centrally in the wheels or suspended with the possibility of turning in a fixed frame. (Machine-translation by Google Translate, not legally binding)