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公开(公告)号：US4867607A
公开(公告)日：1989-09-19
申请号：US61194
申请日：1987-06-11
摘要： Linkage apparatus for connecting a use device, preferably a vibrating cable plow, to a ground-engaging vehicle. The linkage apparatus comprises a first arm member having a first mechanism for connecting the first end to the vehicle, a second arm member having a second mechanism for connecting the second end to the use device, a third mechanism for pivotally connecting the first and second arm members, and a mechanism for dampening vibrations between the first and second arm members perferably including resilient members such as air cushion bags.
摘要翻译： 用于将使用装置（优选地是振动电缆犁）连接到接地车辆的连接装置。 联动装置包括具有用于将第一端连接到车辆的第一机构的第一臂构件，具有用于将第二端连接到使用装置的第二机构的第二臂构件，用于将第一和第二臂 以及用于抑制第一和第二臂构件之间振动的机构，其优选地包括诸如气垫袋的弹性构件。
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公开(公告)号：US4622494A
公开(公告)日：1986-11-11
申请号：US830987
申请日：1986-02-19
申请人： Robert M. Johnson
发明人： Robert M. Johnson
IPC分类号： B60Q1/26
CPC分类号： B60Q1/2615
摘要： An auxiliary signalling and warning device for utilization on vehicles which make wide turns comprising a main body section that is at least partially reflectorized and a light lens member that is adapted to be secured to the main body section so as to form an enclosure. The light lens member is provided with a written message indicating that the vehicle negotiates wide turns. Light bulb retaining means is provided in the main body section for receiving and retaining light bulbs. Electrical connections from the light bulbs are adapted to interact with the existing vehicle directional turn signal lights. The enclosure is adapted for mounting to the rear of the vehicle so as to provide a highly visible flashing warning to following traffic.
摘要翻译： 一种辅助信号和警告装置，用于使广泛匝道的车辆上使用，该车辆包括至少部分地被反射的主体部分和适于被固定到主体部分以形成外壳的光透镜部件。 光透镜构件设置有指示车辆协商大转弯的书面消息。 灯泡保持装置设置在主体部分中，用于接收和保持灯泡。 来自灯泡的电气连接适用于与现有的车辆方向转向灯信号灯相互作用。 外壳适用于安装到车辆的后部，以便为跟踪交通提供高度可见的闪烁警告。
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公开(公告)号：US4549327A
公开(公告)日：1985-10-29
申请号：US652734
申请日：1984-09-21
申请人： Robert M. Johnson
发明人： Robert M. Johnson
CPC分类号： B43L21/02
摘要： A cleaner and chalk dust receptacle for chalk board erasers comprises a box shaped container which is received and supported within a wall mounted cover member. The container has an open top, a bottom wall, a back wall, a front wall, and a pair opposed side walls which are provided with opposed outwardly arcuate convex beads extending longitudinally therealong, and the cover member has an open front, a top wall provided with an opening therethrough, a back wall, and a pair of side walls extending from the open front to the back wall. The interior surface of the side walls are provided with opposed arcuate concave grooves extending longitudinally therealong for slidably receiving the beads of the container. A scraper blade disposed on the top surface of the top wall extends transversely across the opening in the top wall for scraping chalk dust from the bottom surface of chalkboard erasers when they are drawn thereacross.
摘要翻译： 用于粉笔板橡皮擦的清洁器和白垩粉尘容器包括盒形容器，其容纳并支撑在壁挂式盖构件内。 容器具有敞开的顶部，底壁，后壁，前壁和一对相对的侧壁，所述侧壁设置有沿着其纵向延伸的相对的向外的弓形凸起凸起，并且所述盖构件具有敞开的前部，顶壁 设置有穿过其的开口，后壁和从开口前部延伸到后壁的一对侧壁。 侧壁的内表面设置有沿着其纵向延伸的相对的弓形凹槽，用于可滑动地容纳容器的珠。 设置在顶壁顶表面上的刮刀横向延伸穿过顶壁的开口，用于当它们被绘制在其上时，从黑板橡皮擦的底部表面刮下粉笔尘埃。
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44.发明授权
公开(公告)号：US4377415A
公开(公告)日：1983-03-22
申请号：US233664
申请日：1981-02-11
摘要： A cement-wollastonite product consisting essentially of Portland cement binder in an amount of between about 40% and 90% by weight, and wollastonite in an amount of between about 10% and 60% by weight. The product may contain fibers in an amount of between about 1% and 15% by weight. If the product contains fibers other than asbestos and is to be formed on a Hatschek or other type of wet forming machine, it may contain clay in an amount of between about 2% and 15% by weight, and poly(ethylene oxide) homopolymer in an amount of between about 0.03% and 0.5% by weight. The product may also contain silica and/or filler in an amount of between about 10% and 40% by weight for replacing part of the wollastonite. The filler may be waste fiber-cement product or inert filler material.
摘要翻译： 基本上由波特兰水泥粘合剂组成的水泥硅灰石产品，其量为约40重量％至90重量％，硅灰石的量为约10重量％至60重量％。 该产品可含有约1％至15％重量的纤维。 如果产品含有除石棉之外的纤维，并且要在Hatschek或其他类型的湿式成型机上形成，则其可含有约2％至15％重量的粘土，并且聚（环氧乙烷）均聚物 约0.03重量％至0.5重量％的量。 该产品还可以含有二氧化硅和/或填料的量为约10重量％至40重量％，以替代部分硅灰石。 填料可以是废纤维 - 水泥产品或惰性填料。
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公开(公告)号：US4344229A
公开(公告)日：1982-08-17
申请号：US119167
申请日：1980-02-06
申请人： Robert M. Johnson
发明人： Robert M. Johnson
CPC分类号： B23D57/023 , A01G3/08 , Y10T83/909 , Y10T83/917
摘要： This invention pertains to apparatus for trimming branches of trees and particularly branches high above the ground, without a pole saw, climbing the tree or using a ladder. The apparatus include spaced cutting links with sharp teeth at one end fastened upon a flexible chain. Each end of the chain is connected to a length of rope. A metal weight, sand bag, etc. attached to one of the ropes carries the flexible chain into position over the branch desired to be cut. A counter weight is also provided on one end of the flexible chain to automatically position the cutting side of the spaced cutting links in a downward facing, cutting position as the chain is pulled up onto and over the branch.
摘要翻译： 本发明涉及用于修剪树木的分支的装置，特别是高于地面的树枝，没有杆锯，爬树或使用梯子。 该设备包括间隔开的切割链接，其一端处的尖锐的齿固定在柔性链条上。 链条的每一端连接一段绳索。 附着在其中一根绳索上的金属重量，沙袋等将柔性链带入希望切割的分支上的位置。 在柔性链的一端上还设置有一个配重，以便当链条被拉到分支上和上方时，将间隔开的切割链节的切割面自动定位在面向下的切割位置。
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公开(公告)号：US3985610A
公开(公告)日：1976-10-12
申请号：US431072
申请日：1974-01-07
摘要： An improved low density asbestos-cement product and the process whereby it is produced wherein an asphalt emulsion is combined with the formulation from which the product is made, which asphalt emulsion has an asphalt phase which asphalt has a softening point of at least 150.degree.F and is dispersed in water in globules all smaller than 10 microns.
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