发明名称 Portable apparatus for compacting and leveling a poured floor
摘要 A machine for compacting and leveling a poured floor covering. The machine includes a frame having a pair of side members and a pair of parallel, ground engaging, cylindrical rollers rotatably supported on the side members and supporting the frame for movement in forward and reverse directions. A screw member is rotatably supported on the side members and has a right-hand screw segment over a portion of the length thereof and a left-hand screw segment over a remainder portion of the length thereof. If desired, a second screw member, a trowelling mechanism and a vibratory mechanism, can be provided. Structure is provided on the front screw member for pushing the material arriving at the region between the screw segments forwardly of the machine, the leveled material passing under the screw member, as the machine is moved forwardly, being compacted by successive passage beneath the cylindrical rollers.
申请公布号 US4614486(A) 申请公布日期 1986.09.30
申请号 US19840669287 申请日期 1984.11.07
申请人 BRAGAGNINI, BRUNO 发明人 BRAGAGNINI, BRUNO
分类号 E04G21/10;(IPC1-7):E01C19/28 主分类号 E04G21/10
代理机构 代理人
主权项
地址