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1. 发明授权

US4015666A Sod undercutting knife 失效
标题翻译： Sod底切刀
公开(公告)号：US4015666A
公开(公告)日：1977-04-05
申请号：US554811
申请日：1975-03-03
申请人： Gerardus Johannes Brouwer , Theodorus Petrus Hubertus Gerrits
发明人： Gerardus Johannes Brouwer , Theodorus Petrus Hubertus Gerrits
IPC分类号： A01B45/04
CPC分类号： A01B45/04
摘要： An undercutting knife for a sod cutting machine. The knife has an undercutting blade having a front portion and an upwardly bent rear portion. Connected to the rear portion are two support and guide members, one at each edge of the blade. Each support and guide member extends rearwardly from the blade and has a rear portion projecting laterally of the blade. Mounting arms are connected to the laterally extending portions. The mounting arms, which are connected to mechanism for supporting and reciprocating the knife, are clear of the ground and are spaced laterally of cut sod moving over the knife, so as not to tear the edges of the sod. A guide strip extends rearwardly from the blade between the support and guide members. The support and guide members and the guide strip can be three discrete members or a single integral unit.
摘要翻译：用于切割机的底切刀。刀具有具有前部和向上弯曲的后部的底切刀片。连接到后部的是两个支撑和引导构件，一个在叶片的每个边缘。每个支撑和引导构件从叶片向后延伸并且具有在叶片的侧面突出的后部。安装臂连接到横向延伸部分。连接到用于支撑和往复运动刀片的机构的安装臂从地面离开并且在切割刀上方移动的切割草块的侧面间隔开，以免撕裂草皮的边缘。引导条在支撑和引导构件之间从叶片向后延伸。支撑和引导构件和引导条可以是三个分立构件或单个整体单元。

2. 发明授权

US4029152A Sod cutting machine with oppositely reciprocating undercutting and side cutting knives 失效
标题翻译： Sod切割机具有相反的往复式底切和侧切刀
公开(公告)号：US4029152A
公开(公告)日：1977-06-14
申请号：US618593
申请日：1975-10-01
申请人： Theodorus Petrus Hubertus Gerrits
发明人： Theodorus Petrus Hubertus Gerrits
IPC分类号： A01B45/04
CPC分类号： A01B45/04
摘要： A sod cutting machine having an undercutting blade to sever beneath a strip of sod, and a pair of separate side cutting blades, to cut the edges of the sod strip. The undercutting blade is supported by a pair of arms which are reciprocated back and forth in the direction of travel of the machine. The side cutting blades are supported by further arms which are connected by links to the undercutting blade support arms, so that the side cutting blades reciprocate oppositely to the reciprocation of the undercutting blade, thus reducing vibration. The side cutting blades are located one on each side of the roller which supports the front of the machine, and the undercutting blade is immediately behind the roller, to ensure alignment of the cuts.
摘要翻译：一种具有底切刀片以切割在一条草皮条下面的锯切机，以及一对分开的侧切割刀片，以切割该锭条的边缘。底切刀片由一对臂沿着机器的行进方向往复运动。侧切割刀片由通过与底切刀片支撑臂的连接连接的另外的臂支撑，使得侧切割刀片相对于底切刀片的往复运动而往复运动，从而减少振动。侧面切割刀片位于辊子的每一侧一侧，其支撑机器的前部，并且底切刀片紧紧地在辊子的后面，以确保切割器的对准。

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