发明名称 IMPROVED DEVICE FOR CREATING VERTICAL HOLES IN EARTH OR SAND
摘要 <p>The invention relates to an improved device for creating vertical holes in earth or sand. The inventive device consists of a hollow cylindrical body (2) which is made from a rigid material and which contains therein a solid or non-solid cylindrical body (3) comprising a shaft. The upper end of said shaft is connected to a handgrip or handle (5) while the other end thereof is connected to a piston (4). The perimeter of the aforementioned piston comprises an element that is used to adjust to the internal area of the tubular body (2). Moreover, the upper area of the tubular body, close to the opening, is provided with a guide. Said tubular body (2) can also comprise an internal or external thread, which is provided with a pointed tip that is used to lock the parasol.</p>
申请公布号 WO2003063578(P1) 申请公布日期 2003.08.07
申请号 ES2003000033 申请日期 2003.01.23
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