05-12-2019 дата публикации
Номер: US20190365183A1
Принадлежит:
An apparatus for cleaning a floor includes a housing, wheels by which the apparatus is adapted to move; a motive device for moving the apparatus, a steering mechanism, and a cleaning assembly including a cleaning unit and an offset mechanism adapted to move the cleaning unit to or from an offset position projecting beyond one lateral side of the apparatus. In another embodiment, an apparatus for cleaning a floor includes a housing, wheels by which the apparatus is adapted to move, a motive device for moving the apparatus, a steering mechanism, and a cleaning assembly including a cleaning unit and a swing mechanism indirectly linking the cleaning unit to the steering mechanism such that when the apparatus is in an operative mode, the cleaning unit reorients its position in synchronization with the path of travel of the apparatus. Optionally, a lifting device may raise and lower the cleaning assembly. 11010. A floor cleaning apparatus () for cleaning a floor , the apparatus () adapted to traverse a path of travel , comprising:{'b': '12', 'a housing ();'}{'b': 20', '22', '24', '26', '10', '15', '19', '17', '21', '10, 'a plurality of wheels (, , , ) by which the floor cleaning apparatus () is adapted to move across the floor in a direction of travel, the direction of travel at least partially defining a front end (), a back end (), and first () and second () lateral sides of the floor cleaning apparatus ();'}{'b': '27', 'a motive device () for moving the apparatus across the floor;'}{'b': '29', 'a steering mechanism (); and'}{'b': 50', '60', '70', '60, 'a cleaning assembly () comprising a cleaning unit () and an offset mechanism () adapted to move the cleaning unit () to or from an offset position.'}21060. The floor cleaning apparatus () of wherein the cleaning unit () has a fixed working width.31012141618. The floor cleaning apparatus () of wherein the housing () comprises a forward component () claim 1 , an intermediate component () claim 1 , and a rearward component ...
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