INNOVATIVE SYSTEM FOR RETAINING SPRINGS ONTO PILATES CHAIRS

摘要

Novelty: a system designed to retain springs onto pilates wunda chairs is disclosed. Constitution: a parallelogram metal body having incorporated -by construction- adjacent metal rings meant to retain the springs encountered either lengthwise the metal body (on the left and right) or, solely, on the one side of this last with the aim to regulate the tension of the springs for prompt and safe immobilization thereof by the user.