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    • 1. 发明授权
    • Automatic reversible wheel track filler
    • 自动可逆轮轨道填料
    • US4601347A
    • 1986-07-22
    • US556040
    • 1983-11-29
    • Carl D. Parish
    • Carl D. Parish
    • A01C5/06A01G25/09A01B63/08B66F7/22
    • A01C5/066A01G25/09
    • A direction of movement sensing apparatus is shiftably supported from the wheel track filling structure of a wheeled support tower for an irrigation pipe and is operative to shift between a first inoperative position assumed thereby when the tower is moving in a forward direction toward a second operative position relative to the wheel track filling structure when the tower is moved rearwardly over the ground. Connecting structure is provided and operatively connected between the direction sensing apparatus, the wheel track filling structure and the tower for raising the wheel track filling structure responsive to movement of the sensing apparatus to the second operative position thereof and thus enabling the tower to move rearwardly without damage to the wheel track filling structure.
    • 移动检测装置的方向从用于冲洗管的轮式支撑塔的轮轨填充结构可移动地支撑,并且当塔在向前方向朝向第二操作位置移动时,可操作地在假定的第一不工作位置之间移动 相对于当塔在地面上向后移动时的轮轨填充结构。 连接结构被提供并可操作地连接在方向检测设备,轮轨填充结构和塔之间,用于响应于感测设备到其第二操作位置的移动而升高车轮轨道填充结构,从而使塔能够向后移动而没有 损坏轮轨填充结构。
    • 2. 发明授权
    • Ground-clearing and mound-building scarifier
    • 地面清理和堆垛建筑物
    • US4416335A
    • 1983-11-22
    • US328309
    • 1981-12-07
    • Stig-Gunnar LofgrenBo G. Ekeborg
    • Stig-Gunnar LofgrenBo G. Ekeborg
    • A01B33/00A01C5/00A01G23/00A01B33/06A01B49/04A01B63/08A01B63/111
    • A01G23/00A01B33/00A01C5/00
    • A ground-clearing and mound-building device is provided that can be towed along the ground to move material on the surface to one side, expose the surface of the ground, and build mounds on the cleared ground for planting and forest regeneration, having a scarifier means mounted for rotation about its central axis, circular in cross-section, and having a peripheral surface that digs into the ground during rotation thereof when in contact with the ground under pressure, arranged to be brought into contact with the ground at any selected contact pressure; with control of at least one of the selected contact pressure and the selected rotation rate to dig, loosen, and displace a surface layer of the ground and push such loosened ground into mounds.
    • 提供一种地面清理和土墩建造装置,可以沿着地面拖动,将表面上的材料移动到一侧,暴露地面,并在清理的地面上建立土堆,用于种植和森林再生,具有 围绕其中心轴线旋转的分隔装置,横截面为圆形,并且具有在与其在压力下与地面接触的旋转期间挖入地面的外围表面,布置成在任何选定的地面与地面接触 接触压力 控制所选择的接触压力和所选择的旋转速率中的至少一个以挖掘,松开并置换地面的表面层,并将这种松散的地面推入土丘。