Adaptations of omnidirectional driving gears to practical purposes. - Kenjiro Tadakuma; Riichiro Tadakuma; Minoru Takagi; Kyohei Ioka; Gaku Matsui; Kenichi Komura; Erick Fernando Moya Arimie; Takahiro Akaike; Yuichi Tsumaki (IROS, 2013)