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    • 4. 发明授权
    • Portable grip length indicator
    • 便携式握柄长度指示器
    • US4876800A
    • 1989-10-31
    • US254978
    • 1988-10-07
    • Gary W. PekarJack W. MasonMichael Blanc
    • Gary W. PekarJack W. MasonMichael Blanc
    • G01B7/06
    • G01B7/06
    • A portable grip length indicator for determining a discrete fastener length for a fastener to be used in fastening a stack of two or more pieces of material. The indicator comprises a body, a probe attached to the body and capable of extending beyond the body for determining the thickness of the stack, a transducer connected to the probe for sensing the relative movement of the probe and translating the movement into an electrical output signal, and an electrical processor for computing the discrete fastener length from the output signal of the transducer according to a predetermined correlation of the thickness of the stack and the type of fastener to be used.
    • 一种便携式抓握长度指示器,用于确定用于紧固两个或多个材料的堆叠的紧固件的离散紧固件长度。 指示器包括主体,附接到主体并且能够延伸超过身体的探头以确定堆叠的厚度;连接到探针的换能器,用于感测探头的相对运动并将运动转换成电输出信号 以及电子处理器,用于根据堆叠的厚度和所使用的紧固件的类型的预定相关性,从换能器的输出信号计算离散紧固件长度。