发明名称 Motion assisted sifting fork
摘要 A rake having a handle, and a rake head. The rake head includes a frame having a neck dimensioned to receive one end of the handle; a plurality of tines, the plurality of tines comprising: a movable inner tine section, the movable inner tine section having a first movable inner tine section, a second movable inner tine section and at least one fixed inner tine between the first movable inner tine section and the second inner tine section; and a fixed outer tine section on each side of the inner section; a support member extending across the plurality of tines, the support member comprising a plurality of supports positioned between the tines; and at screening material, which separates a wanted material from an unwanted material.
申请公布号 US8262145(B2) 申请公布日期 2012.09.11
申请号 US201113022966 申请日期 2011.02.08
申请人 BERTO JOSEPH 发明人 BERTO JOSEPH
分类号 A01D7/00;B07B1/00 主分类号 A01D7/00
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