Segmented connecting elements pivot around a rotation shaft to drive reciprocating motion, reducing manufacturing costs of whole-body exercise equipment.
An elastomer body decouples the saddle shell from a stiff carrier element, enabling lateral tilting that compensates for asymmetrical pelvic motion.
Thermoplastic elastomer fusion forms high-density edge portions for shape retention, eliminating separate reinforcement frameworks.
A bicycle control device adjusts assist ratio based on seat position and pedaling load to enhance rider comfort.