发明名称 Portable field roller device
摘要 A roller device having an elongated tank and a tank frame for supporting the tank. A center axle traverses the tank. The first end of the center axle engages the third side portion of the tank frame and the second end of the center axle engages the fourth side portion of the tank frame. The tank can roll about the center axle. The device also features two retractable wheels, which are attached to the frame via wheel braces. The wheel braces are each operatively connected to hydraulic arms. The hydraulic arms function to retract and extend the wheels with respect to the frame, raising and lowering the tank away from and onto the ground surface. A first tow is disposed on the third side portion of the tank frame and a second tow is disposed on the first side portion of the tank frame.
申请公布号 US8333249(B1) 申请公布日期 2012.12.18
申请号 US201113071175 申请日期 2011.03.24
申请人 MINTON HERMAN E.;MINTON WILLIAM JEFFREY 发明人 MINTON HERMAN E.;MINTON WILLIAM JEFFREY
分类号 A01B5/00;A01B49/02 主分类号 A01B5/00
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