US Patent 7322129 Footwear sole comprising a shock-absorbing device

The invention relates to a sole for a footwear item. The invention essentially comprises a sock lining (1), an insole (2) and an outsole (3) as well as a shock-absorbing device (4). The inventive sole is characterised in that the aforementioned shock-absorbing device is an elastically-deformable element or insert (4) which is inserted into the sole in the form of a moulded body (4) comprising mutually-spaced tubular pieces (4′) having one closed end and one open end which is connected to a common base (4″).