发明名称 Enhanced sweeping systems
摘要 This invention relates to providing a sweeping system incorporating at least one user-deployable scraper feature within a sweeping apparatus to assist in removing dried-on materials from at least one floor surface. The scraper feature is preferably spring tensioned within at least one housing and deployed through use of a manual extension of telescoping cylinders. Further featured is a rotation blocking mechanism to prevent rotation of the scraper while scraping.
申请公布号 US8533890(B2) 申请公布日期 2013.09.17
申请号 US201113159308 申请日期 2011.06.13
申请人 PANNELL SHANE D. 发明人 PANNELL SHANE D.
分类号 A47L13/00;A47L23/04;E04F21/16 主分类号 A47L13/00
代理机构 代理人
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