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    • 5. 发明授权
    • Wear insert for brake shoe trunnion slot
    • 耐磨插件用于制动瓦耳轴槽
    • US06364076B1
    • 2002-04-02
    • US08991592
    • 1997-12-15
    • David A. BraunJon Pidwerbecki
    • David A. BraunJon Pidwerbecki
    • F16D5116
    • F16D65/22F16D2125/30
    • A wear insert is provided for receiving trunnions on the ends of pieces used in affixing brake shoes to a brake shoe assembly. A vehicle brake shoe assembly has brake shoes which may be urged outwardly against a brake drum when a S-cam is rotated. The brake shoe has an arcuate brake table on which friction liners are installed. A brake web, comprising a pair of brake web elements, extends inwardly from the brake table toward the center of radius of the arcuate brake table. Each of these spaced apart web elements has a first and a second end, and each of the ends is provided with a trunnion receiving slot. The trunnion receiving slots at one end receive the trunnions of an anchor pin, and the trunnion receiving slots at the other end receive the trunnions of a cam follower. The wear insert is removably seated in at least one of the trunnion slots to be interposed between the slot and the trunnion. When a hardened spring steel is used for the wear insert, the insert will reduce the wear upon the slot, thereby extending the life of the brake shoe. The preferred wear insert is a U-shaped sleeve with radial lips at the ends to prevent axial movement of the sleeve in the trunnion receiving slot.
    • 提供了一种耐磨插入件,用于在用于将制动蹄固定到制动蹄组件的部件的端部处接收耳轴。 一种车辆制动蹄组件具有制动蹄,当S型凸轮旋转时,该制动蹄可以向外推靠在制动鼓上。 制动蹄具有一个弓形制动台,在其上安装有摩擦衬垫。 包括一对制动腹板元件的制动腹板从制动台朝向弧形制动工作台的半径的中心向内延伸。 这些间隔开的腹板元件中的每一个具有第一和第二端,并且每个端部设置有耳轴接收槽。 在一端的耳轴接收槽容纳锚定销的耳轴,另一端的耳轴接收槽容纳凸轮从动件的耳轴。 耐磨插件可移除地安置在至少一个耳轴槽中,以插入槽和耳轴之间。 当硬化弹簧钢用于耐磨插件时,插入件将减少槽上的磨损,从而延长制动蹄的使用寿命。 优选的磨损插入件是U形套筒,其端部具有径向唇部,以防止套筒在耳轴接收槽中的轴向移动。
    • 10. 发明授权
    • Camera arrangement with wide field of view
    • 相机布置广视野
    • US5532737A
    • 1996-07-02
    • US255839
    • 1994-06-07
    • David A. Braun
    • David A. Braun
    • H04N7/18
    • H04N7/181
    • A camera arrangement (100) comprises first and second sets of one or more cameras (102, 104, 202, 204, 204') and a half-silvered mirror (130). The one or more cameras of the first set look through the half-silvered mirror--i.e., receive light that passes through the half-silvered mirror. The one or more cameras of the second set look off the half-silvered mirror (130)--i.e., receive light reflected off the half-silvered mirror. The cameras of the first and second sets are positioned so that individual fields of view (103, 105, 203, 205, 205') of the cameras of the first and second sets alternate to form a wide angle aggregate field of view (110, 210). The field of view of each individual camera merges contiguously along a boundary with the field of view of a camera from the other set. This permits cameras which form adjacent sections of the wide angle field of view to be located at physically separate locations in space yet have individual fields of view which appear to originate at the same physical location in space. An additional mirror (160, 160') may be associated with each camera of the second set to provide a second reflection of the light received by the cameras of the second set to avoid image reversal. There are no mirror edges within the aggregate wide angle field of view. Thus, there are no artifacts in the high resolution image produced by the camera arrangement at the boundaries of the sub-images produced by the individual cameras.
    • 相机装置(100)包括第一组和第二组一个或多个相机(102,104,202,204,204')和半镀银镜(130)。 第一组的一个或多个相机观察半镀银镜,即接收穿过半镀银镜的光。 第二组的一个或多个相机观察半镀银镜(130),即接收从半镀银镜反射的光。 第一组和第二组的相机被定位成使得第一和第二组的照相机的各个视场(103,105,203,205,205')交替以形成广角聚集视场(110, 210)。 每个单独摄像机的视野沿着与另一组相机的视场相邻的边界连续地合并。 这允许形成广角视野的相邻部分的照相机位于空间中物理上分离的位置,但具有看起来源于空间中相同物理位置的各个视场。 可以将另外的镜子(160,160')与第二组的每个照相机相关联,以提供由第二组的照相机接收的光的第二反射,以避免图像反转。 聚合广角视野内没有镜边。 因此,在由各个照相机产生的子图像的边界处的相机装置产生的高分辨率图像中没有伪影。