发明名称 POWER TROWEL WITH BLADE PITCH CONTROL
摘要 An automatic pitch control system for riding power trowels enables a user to control and automatically adjust trowel blade pitch and height for concrete finishing. The disclosed system provides for blade pitch of separate rotor assemblies to be adjusted independently of one another or synchronously. The disclosed system also provides for a mode of operation that allows the user to completely flatten trowel blades for panning.
申请公布号 EP2780523(A2) 申请公布日期 2014.09.24
申请号 EP20120799382 申请日期 2012.11.14
申请人 MULTIQUIP INC.;HAMMOND, BRIAN L.;LILLIANTHAL, DAVID;WIESE, BENJAMIN A.;GILLESPIE, BRUCE R.;DAVIS, ROBERT DANE;BAIRD, COLE R.;HANSON, STEVEN K. 发明人 HAMMOND, BRIAN, L.;LILLIANTHAL, DAVID;WIESE, BENJAMIN, A.;GILLESPIE, BRUCE, R.;DAVIS, ROBERT, DANE;BAIRD, COLE, R.;HANSON, STEVEN, K.
分类号 E04F21/24 主分类号 E04F21/24
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