08-08-2019 дата публикации
Номер: US20190239633A1
An apparatus (), for cleaning a surface (), comprises a handle () and a bracket (), connected to the handle (). The apparatus () further comprises a drum (), rotatably coupled to the bracket (), and an anti-rotation fixture (), configured to prevent rotation of the drum () about a first axis () relative to the bracket (). The apparatus () also comprises a brush motor (), mounted to the drum (), and a brush (), rotatable by the brush motor () relative to the drum () about a second axis (), which is parallel to the first axis (). 1100102100. An apparatus () for cleaning a surface () , the apparatus () comprising:{'b': '126', 'a handle ();'}{'b': 104', '126, 'a bracket (), connected to the handle ();'}{'b': 108', '104, 'a drum (), rotatably coupled to the bracket ();'}{'b': 124', '108', '110', '104, 'an anti-rotation fixture (), configured to prevent rotation of the drum () about a first axis () relative to the bracket ();'}{'b': 114', '108, 'a brush motor (), mounted to the drum (); and'}{'b': 112', '114', '108', '116', '110, 'a brush (), rotatable by the brush motor () relative to the drum () about a second axis (), which is parallel to the first axis ().'}2100. The apparatus () according to claim 1 , further comprising:{'b': 138', '108, 'a second brush motor (), mounted to the drum (), and'}{'b': 144', '138', '108', '150', '110', '116, 'a second brush (), rotatable by the second brush motor () relative to the drum () about a fourth axis (), parallel to the first axis () and to the second axis ().'}3100. The apparatus () according to claim 2 , wherein:{'b': '126', 'claim-text': [{'b': '118', 'a handle grip () and'}, {'b': 134', '118', '128, 'a handle support (), connected to the handle grip () and having a handle opening (), and'}], 'the handle () comprises{'b': 124', '128, 'the anti-rotation fixture () is located at least partially within the handle opening ().'}4100118. The apparatus () according to claim 3 , wherein the handle grip () comprises:{'b': 274', '110, ' ...
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