Mechanism that turns chairs, armchairs, armchairs and crib beds into a rocking chair. (Machine-translation by Google Translate, not legally binding)

摘要

New mechanism that turns chairs, armchairs, armchairs and crib beds into a rocking chair, characterized by the fact that, in order for the rocking chair to work, it requires the application of spiral springs that allow it to move back and forth. (Machine-translation by Google Translate, not legally binding)