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    • 8. 发明授权
    • Pre-tensioned spring track tensioning system
    • 预张紧弹簧履带张紧系统
    • US07229140B2
    • 2007-06-12
    • US10816490
    • 2004-04-01
    • James H. PageWilliam A. WrightEdward Larson
    • James H. PageWilliam A. WrightEdward Larson
    • B62D55/30
    • B62D55/305
    • A pretensioned spring track tensioning system provides a two stage loading of a tension roller on the interior of a vehicle drive track. The two stage loading first loads the track under a lower tension load for normal operation, but when the track is highly loaded, such as when digging, or when debris is forced between the track member and its drive sprocket or guide rollers, the compression of the lighter spring will be stopped mechanically and a second heavier compression spring will provide the tension loading. The additional spring tension under unusual conditions prevents detracking of the track and buckling of the track. A lighter tension load during normal operations reduces the loads on bearings, particularly in relation to a drive motor. The tensioning system has particular adaptability to “high” drive type tracks which have a drive sprocket elevated above the tension roller.
    • 预张紧的弹簧轨道张紧系统在车辆驱动轨道的内部提供两级加载张力辊。 两级装载首先在更低的拉力载荷下加载轨道以进行正常操作,但是当轨道高度负载时,例如当挖掘时,或者当轨道构件与其驱动链轮或导向辊之间的碎片被迫时,压缩 较轻的弹簧将被机械地停止,并且第二较重的压缩弹簧将提供张力负载。 额外的弹簧张力在不寻常的条件下可以防止轨道的脱轨和轨道的弯曲。 在正常操作过程中,较轻的张力负载减小了轴承的负荷,特别是与驱动电机相关。 张紧系统对具有在张紧辊上方升高的驱动链轮的“高”驱动型履带具有特别的适应性。
    • 10. 发明授权
    • Method and apparatus for communicating state information in an electronic transaction message
    • 用于在电子交易消息中传送状态信息的方法和装置
    • US07707117B1
    • 2010-04-27
    • US10396211
    • 2003-03-24
    • Michael Pe JimenezRobert John FordWilliam A. Wright
    • Michael Pe JimenezRobert John FordWilliam A. Wright
    • G06Q20/00
    • G07F7/1016G06Q20/38G06Q20/382G06Q20/389H04L63/0428
    • A method and apparatus are disclosed for communicating state information in an electronic message. First data representing a state of an electronic transaction is encoded, to result in creating an encoded message element that is impractical for a recipient to decode. For example, steganographic invisibility encoding may be used. The encoded message element is sent as part of a first message associated with the transaction. A second message associated with the transaction is received, and the third message includes the encoded message element. The encoded message element is decoded, to result in recovering the state of the transaction, which is used in processing the second message. As a result, large volumes of state information are sent to clients for local, transitory storage, precluding the need for a large state data store on the server side.
    • 公开了用于在电子消息中传送状态信息的方法和装置。 对代表电子交易状态的第一数据进行编码,以产生编码的消息元素,对于接收者进行解码是不切实际的。 例如,可以使用隐写隐形编码。 编码的消息元素作为与事务相关联的第一消息的一部分被发送。 接收与事务相关联的第二消息,并且第三消息包括编码的消息元素。 编码的消息元素被解码,以导致恢复用于处理第二消息的事务的状态。 因此,大量的状态信息被发送到客户端进行本地,临时存储,排除了在服务器端需要大型状态数据存储。