Interested in building a martial arts impact pad

Check out this patent for a computerized 3 dimensional life size martial arts training dummy , complete with pressure sensitive
floor and motor driven rotation. (Patent filed in 1976, Granted in 1978)
http://pdfpiw.uspto.gov/.piw?Docid=04088315&homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D4088315.PN.%2526OS%3DPN%2F4088315%2526RS%3DPN%2F4088315&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page