Patent Number: 8,872,362

Title: Sole for a footwear

Abstract: A sole for footwear including a body having a length, a body portion of the body that is capable of expansion and contraction, and a drive generator located in the body for generating drive to drive a driven device in the body. The drive generator has an elongate drive member arranged to slide relative to the body portion in a direction along the length of the body, upon expansion and contraction of the body portion, for driving the driven device as the sole bends and unbends during use.

Inventors: Lee; Neville Ka Shek (Hong Kong, CN), Chan; Chi Kit (Hong Kong, CN), Hui; Samuel Sing-Kwong (Hong Kong, CN)

Assignee: Cedar Technologies International Ltd.

International Classification: F02B 63/04 (20060101)

Expiration Date: 2018-10-28 0:00:00