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    • 2. 发明授权
    • Twister slider antigalloping device
    • US11581721B2
    • 2023-02-14
    • US17718727
    • 2022-04-12
    • AR Patents, LLCElaine M. Richardson
    • Albert S. Richardson, Jr.
    • H02G7/14H02G1/02
    • The present invention can provide a twisting antigalloping device for securing to a span of a cable for torsionally twisting the cable, and includes a grip or clamp portion having a grip or clamp axis for gripping or clamping to the cable along the clamp axis. A variable weight portion can be connected to the clamp portion and extend along a variable weight axis offset from the clamp axis. The variable weight portion can include an elongate member with a plurality of individual weights secured on the elongate member. The number of individual weights in the variable weight portion can be a whole number chosen to approximate a calculated value for the number of individual weights Nc given by the equation Nc=Function (K, Θ, WND, WSW) where K is an estimated mid-span stiffness of the span of the cable, Θ is a desired torsional twist angle to be applied to the cable, WND is a nominal weight of the antigalloping device without the individual weights of the variable weight portion, and WSW is a weight of a single individual weight, the chosen number of individual weights for providing the antigalloping device with a total weight WT for applying the desired torsional twist angle Θ on the cable.