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公开(公告)号：US5274964A
公开(公告)日：1994-01-04
申请号：US932366
申请日：1992-08-19
IPC分类号： B08B7/00 , B24B55/08 , B24C1/02 , B24C3/08 , B24C3/10 , B24C3/12 , B24C3/32 , B24C9/00 , B24C3/04
摘要： Apparatus (10) is provided for cleaning of dirty, clogged sandpaper, particularly large, industrial size sandpaper belts (190) used in furniture making operations. The apparatus (10) includes a drum (58) adapted to support a belt (190), together with blasting means (16) adjacent the drum (58) for creating a stream of particulates directed toward a portion of the belt (190) for cleaning purposes. Positioning means (18) is also provided for selectively changing the relative orientation of the blasting means (16) and the belt (190) in order successively clean different portions of the belt (190). Preferably, a laterally reciprocal nozzle (108) is employed for creating the particulate stream, and the belt (190) is intermittently shifted via a pneumatic mechanism (158) to present successive portions of the belt (190) for cleaning thereof. Dislodged material and dust is conveyed from the apparatus (10) through a port (42), whereas the particulate cleaning media is collected in a lower hopper (50) for recirculation to the nozzle (108 ).
摘要翻译： 设备（10）用于清洁用于家具制造操作中的脏的堵塞砂纸，特别大的工业尺寸砂纸带（190）。 该设备（10）包括适于将带（190）支撑在一起的鼓（58）以及与滚筒（58）相邻的喷砂装置（16），用于产生朝向带（190）的一部分的颗粒物流 清洁目的。 还设置有定位装置（18），用于选择性地改变喷砂装置（16）和带（190）的相对定向，以便连续地清洁带（190）的不同部分。 优选地，横向往复喷嘴（108）用于产生颗粒流，并且带（190）经由气动机构（158）间歇地移动，以呈现带（190）的连续部分以进行清洁。 移出的材料和灰尘通过端口（42）从设备（10）输送，而颗粒状清洁介质被收集在下料斗（50）中，用于再循环到喷嘴（108）。
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公开(公告)号：US4815238A
公开(公告)日：1989-03-28
申请号：US179070
申请日：1988-04-08
申请人： Steven C. Simpson , Ronald D. Witt
发明人： Steven C. Simpson , Ronald D. Witt
CPC分类号： B24B53/10
摘要： A debris collector for wide belt sanders and the like including an upper assembly. A plurality of posts include upper ends connected to the upper assembly and lower ends connected to a lower assembly. A bag assembly extends between the upper and lower assemblies and is shaped to receive debris.
摘要翻译： 用于宽带式砂磨机等的碎屑收集器包括上部组件。 多个柱包括连接到上组件的上端和连接到下组件的下端。 袋组件在上部和下部组件之间延伸并且被成形为接收碎屑。
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公开(公告)号：US5001948A
公开(公告)日：1991-03-26
申请号：US430426
申请日：1989-11-02
IPC分类号： B25B15/00
CPC分类号： B25B15/007
摘要： A stronger screwdriver blade is disclosed which is particularly effective for driving round-headed screws. The screwdriver blade has an elongate shank with a tapered end extending from the shank and terminating in a tip. The tip has a straight edge perpendicular to the shank and has a predetermined length and thickness, with side edges extending back toward the shank from ends of the end edge. The tip has substantially parallel, planar sides extending back toward the shank from the end edge to inner edges which, at the side edges, are spaced a distance from the end edge which is approximately equal to the thickness of the end edge. The inner edges are curved with the planar sides being from one and one-half to three and one-half times as wide at central portions as at end portions. From the inner edges, opposite side surfaces of the tapered end extend abruptly outwardly in a direction toward the shank so that the blade tip is thicker at high stress areas thereof.
摘要翻译： 公开了一种更加坚固的螺丝刀，其对于驱动圆头螺钉特别有效。 螺丝刀具有细长的柄部，其具有从柄延伸并终止于尖端的渐缩端。 尖端具有垂直于柄的直边，并且具有预定的长度和厚度，侧边缘从端边缘的端部朝向柄部延伸。 尖端具有基本上平行的平面，从端部边缘朝向柄部向后延伸到内部边缘，其在侧边缘处与端部边缘间隔开一段距离，其大致等于端部边缘的厚度。 内边缘是弯曲的，平面边在中心部分处的端部宽度的一半到三倍半的宽度。 从内边缘，锥形端的相对侧表面在朝向柄的方向上突然向外延伸，使得叶片尖端在其高应力区域处更厚。
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公开(公告)号：US4878406A
公开(公告)日：1989-11-07
申请号：US250166
申请日：1988-09-28
IPC分类号： B25B15/00
CPC分类号： B25B15/007
摘要： A screwdriver blade is provided which has greater resistance to failure. The screwdriver blade includes an elongate shank with a tapered end extending from the shank and terminating in a tip. The tip has a straight edge perpendicular to the shank and is of a predetermined thickness, with parallel, planar sides extending back from the edge a distance which is approximately equal to the thickness of the edge. Opposite surfaces of the blade end then extend abruptly outwardly in a direction toward the shank, each at an angle of approximately fifteen degrees to an axis of the blade. An analysis has indicated that the greatest stress in a screwdriver blade occurs at a predetermined distance back from the straight edge of the blade. The new blade is thicker and stronger at the areas where the greatest stress occurs.
摘要翻译： 提供了一种具有更大阻力的螺丝刀。 螺丝刀刀片包括细长的柄部，其具有从柄延伸并终止于尖端的渐缩端。 尖端具有垂直于柄并具有预定厚度的直边缘，平行的平面侧从边缘向后延伸大约等于边缘厚度的距离。 然后叶片端部的相对表面沿朝向柄部的方向突然向外延伸，每个与叶片的轴线成大约十五度的角度。 分析表明，螺丝起子叶片中的最大应力发生在离叶片的直边缘预定的距离处。 新的刀片在发生最大应力的地方更厚，更坚固。
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公开(公告)号：US4720939A
公开(公告)日：1988-01-26
申请号：US867331
申请日：1986-05-23
IPC分类号： B24B53/10
CPC分类号： B24B53/10
摘要： A device for cleaning abrasive surfaces used in wood sanding operations includes a frame attached to the frame of a belt sanding machine. A retainer assembly is carried by the frame and receives a block of natural or synthetic rubber cleaning material. The retainer assembly and associated block are selectively moved into position whereby abrasive contact of the block with a running belt for cleaning is achieved. The movement of the cartridge assembly is controlled by a fluid cylinder arrangement. Hydraulic withdrawal cylinders at either end of the frame are set to lift the cartridge assembly and block in an upward direction out of a contact position with the sanding belt. A central fluid projection cylinder is used to overcome the upward force of the two outer cylinders, for forcing the block into operative contact with the belt when desired. Controls are provided for regulating contact time with the belt depending on operating conditions. Alternative controls may also be used to adjust the pressure in the cylinders to compensate for the changing weight of the block as it is worn away during use.
摘要翻译： 用于清洁用于木材打磨操作中的研磨表面的装置包括附接到带式砂光机的框架上的框架。 保持器组件由框架承载并接收一块天然或合成橡胶清洁材料。 保持器组件和相关联的块被选择性地移动到位，由此实现块与用于清洁的行进带的磨料接触。 墨盒组件的运动由流体气缸装置控制。 设置框架任一端的液压取出缸将提升盒组件并向上方向阻止与砂带的接触位置。 使用中央液体喷射筒来克服两个外部气缸的向上的力，以便在需要时迫使气囊与皮带接触。 根据操作条件，提供控制以调节与皮带的接触时间。 也可以使用替代控制来调节气缸中的压力，以补偿块在使用过程中磨损时的重量变化。
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