发明名称 CULTIVATOR
摘要 <p>A cylindrically shaped fulcrum member (26) is affixed to the lower end of a garden tool (10) such as a pitchfork, cultivator or weeder. The fulcrum member (26) may be attached either directly to the tines (16, 18) or to the handle shaft (112) if there are no tines and is located above the lowermost point of the tool. After the point (20, 22) of the tool is forced into the ground, the handle (14) is moved rearwardly, the back of the fulcrum member (26) contacts the ground and the lower end of the tool pivots upwardly breaking up the soil or pulling up weeds or the like. The fulcrum member (26) is provided with at least one bolt and nut clamping mechanism (30, 40) so that the member can be moved through and secured to different positions along the tines or the shaft to change the mechanical advantage of the tool.</p>
申请公布号 WO1986006926(A1) 申请公布日期 1986.12.04
申请号 US1986001123 申请日期 1986.05.23
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