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    • 81. 发明授权
    • Deep ripper point
    • 深裂皮点
    • US5165487A
    • 1992-11-24
    • US669753
    • 1991-03-15
    • Robert A. WilliamsWilliam A. Bell
    • Robert A. WilliamsWilliam A. Bell
    • A01B15/02E02F9/28
    • E02F9/2875A01B15/025
    • The point is adapted to fit onto the forwardly projecting mounting wedge of a tillage shank and has a downwardly and forwardly inclined, elongated crown provided with a transverse, sharpened tip at its lower front end. An underslung transverse wall looped under the crown at the front end of the point defines a rearwardly opening socket that matingly receives the apex of the mounting wedge of the shank, and depending sidewalls on the crown adjacent its opposite lateral edges rearwardly of the underslung wall serve to present a protective trough on the underside of the crown that matingly receives the upper surface of the mounting wedge so as to protectively cover otherwise exposed side portions of the wedge and thus shield such areas from exposure of abrasive soils. Two alternate embodiments are disclosed, one of which has lateral side edges of the crown intersecting cleanly with upright surface of the underslung wall and the sidewalls, and the other of which has side edge of the crown overhanging such structures and provided with a certain vertical thickness dimension.
    • 该点适于装配在耕作柄的向前突出的安装楔上,并且具有向下且向前倾斜的细长冠部,其在其前前端处设有横向尖锐的尖端。 位于该点前端的冠部下面的一个下悬的横向壁限定了一个向后开口的插座,该插座配合地接纳柄的安装楔形件的顶点,并且与顶壁相邻的相对侧边缘上的侧壁相邻, 在冠的下侧上设置保护槽,该保护槽匹配地接纳安装楔的上表面,以保护地覆盖楔的另外暴露的侧部,并且因此屏蔽这些区域免受磨损土壤的暴露。 公开了两个替代实施例,其中一个具有冠部的侧向侧边缘与下壁和侧壁的直立表面完全相交,另一个实例具有突出于该结构的冠的侧边缘并且具有一定垂直厚度 尺寸。
    • 83. 发明授权
    • Test probe apparatus
    • 测试探头设备
    • US4850893A
    • 1989-07-25
    • US104813
    • 1987-10-01
    • Robert A. Williams
    • Robert A. Williams
    • G01R1/067G01R1/073H01R13/24H01R13/631
    • G01R1/067G01R1/073H01R13/631H01R13/24
    • The test probe is formed by a tubular body member carrying electrical contacts at its front end. An annular slot is formed in the outer portion of the test probe with an elastic ring shaped member located therein. A moveable sleeve is located around the tubular body member for forward and rearward movement relative to the tubular body member. The sleeve has a plurality of angularly spaced apart arms at its front end. In the forward position of the sleeve, the arms are located in the annular slot forcing at least portions of the elastic ring shaped member outward for latching purposes. In the rearward position of the sleeve, its arms are moved rearward of the ring shaped member sufficient to allow it to be released inwardly into the annular slot to an unlatching position. In one embodiment, grooves are formed in the outer surfaces of the arms for receiving the ring shaped member when the sleeve is located in its forward position for releasably holding the sleeve in its forward position. In another embodiment, the arms have no grooves and a second elastic ring shaped member is employed at the rear of the test probe for releaseabaly holding the sleeve in its forward position. In still another embodiment, the forward wall of the annular slot is formed by an inclined surface. The forward edge of the sleeve engages and forces the ring shaped member in the annular slot forward and outward against the inclined surface for latching purposes.
    • 测试探针由在其前端承载电触头的管状本体构件形成。 环形槽形成在测试探针的外部,其中位于其中的弹性环形构件。 可移动套筒围绕管状本体构件设置,用于相对于管状本体构件的前后运动。 套筒在其前端具有多个角度间隔开的臂。 在套筒的向前位置,臂位于环形槽中,迫使弹性环形构件的至少一部分向外锁定。 在套筒的后部位置,其臂被移动到环形构件的后方,足以允许其向内释放到环形槽中至解锁位置。 在一个实施例中,当套筒位于其前部位置时,用于容纳环形构件的臂的外表面中形成有凹槽,以可释放地将套筒保持在其前部位置。 在另一个实施例中,臂没有凹槽,并且在测试探针的后部采用第二弹性环形构件,用于将套筒保持在其前部位置。 在另一个实施例中,环形槽的前壁由倾斜表面形成。 套筒的前边缘接合并且将环形构件在环形槽中相对于倾斜表面向前和向外推动,用于锁定目的。
    • 85. 发明授权
    • Wind operated apparatus
    • 风力发电设备
    • US4618312A
    • 1986-10-21
    • US695726
    • 1985-01-28
    • Robert A. Williams
    • Robert A. Williams
    • F03D3/06F03D7/06
    • F03D3/068F05B2260/72Y02E10/74
    • A frame supported for rotation about a central vertical axis has an enclosing cylindrical side wall with a plurality of openings formed therethrough at spaced apart angular position around the central axis. A plurality of vanes are located near the side walls for causing the frame to be rotated by the wind. Each vane is associated with one of the openings and is supported for pivotal movement such that it may be moved through its associated opening between an inward position inside the side wall and an outward position wherein it extends outward beyond the side wall. Cams located at the central axis and cam followers are provided for cyclically moving each of the vanes to its inward and outward positions as the frame rotates such that on one side of the central axis, the vanes are moved to their outward positions to catch the wind as the vanes are rotated by the frame to this side and on the opposite side of the central axis, the vanes are moved to their inward positions out of the wind as the vanes are rotated by the frame to the opposite side.
    • 支撑用于围绕中心垂直轴线旋转的框架具有封闭的圆柱形侧壁,其具有围绕中心轴线以间隔开的角度位置穿过其形成的多个开口。 多个叶片位于侧壁附近,以使框架被风旋转。 每个叶片与其中一个开口相关联并且被支撑以进行枢转运动,使得其可以在侧壁内的内部位置和向外延伸超过侧壁的向外位置之间移动通过其相关联的开口。 设置在中心轴上的凸轮和凸轮随动件用于当框架旋转时将每个叶片循环移动到其向内和向外的位置,使得在中心轴线的一侧上,叶片移动到其向外位置以抓住风 当叶片通过框架旋转到该侧面并且在中心轴线的相对侧上时,当叶片通过框架旋转到相对侧时,叶片移动到其向内的位置,从风中移动。