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1. 发明申请

WO2020234904A1 DEVICE FOR CLEANING WALKABLE SURFACES 审中-公开
公开(公告)号：WO2020234904A1
公开(公告)日：2020-11-26
申请号：PCT/IT2019/000039
申请日：2019-05-21
申请人： TECHNOLOGICAL SYSTEMS BY MORO S.R.L.
发明人： MORO, Gianpietro , MORO, Andrea
IPC分类号： A47L11/20 , A47L11/206
摘要： Device (10) realized as scrubber-dryer machine for cleaning walkable surfaces (11), as for example floors, pavements, asphalted roads, etc. for cleaning walkable surfaces, adapted to move forward automatically and to be steered manually by an operator, and constituted by a cleaning lower base body (12) connected on its upper part by means of a movable jointing element (14) to a steering means lengthened upward (13), said lower base body (12) comprising a frame (16) to which one or more lower brushing means (21, 22) are fixed to, at least a wetting system fixed to the frame (16), and at least a dirty collection system fixed to the frame (16), said jointing element (14) being constituted by a lengthened elastic and internally hollow push element (14), constrained with its lower end portion (54) to the frame (16), in the barycenter point of the lower body (12) and with its upper end portion (55) to the steering means (13), and that from the rest position thereof, in which it has a rectilinear upward extension, it may be curved downward by applying a downward and outward push force to the upper end portion (55) thereof and in any direction with respect to its vertical axis when it is in the rest position thereof, therefore to incline downward the steering means (13), and in this curved position being able to rotate along the vertical axis of the rest position of the same elastic element, without that the lower body (12) be interested by such a rotation, by decreasing the downward push force of the upper end portion (55), the elastic element (14) returning automatically toward the rest position thereof, such an elastic element (14) being also adapted to receive a twisting moment to its upper end portion (55), by means of said steering means (13), for then applying said twisting moment, with its lower end portion (54), to the frame (16) of the lower body (12), therefore this latter rotates on its perpendicular axis extent upward of the angle desired by the operator, without be inclined.

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