(under subclass 77) Structure including structure interposed between the surface engaging face of the tip and the body of the shaft to take up shock incident to positioning the shaft in contact with the surface traveled over.
SEE OR SEARCH THIS CLASS, SUBCLASS:
68+, for shock-absorbing devices combined with crutch structure.
86, for tips made at least in part of yieldable material, which by their inherent nature will absorb some shock.
