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Power line support

  • US 4,854,541 A
  • Filed: 08/08/1988
  • Issued: 08/08/1989
  • Est. Priority Date: 08/08/1988
  • Status: Expired due to Fees
First Claim
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1. A support for a power line and adapted for use on a support tower having a lower end supported on the ground and an upper end, said support comprising:

  • an elongated cylindrical housing having mounting means thereon for mounting said housing to said upper end of said support tower;

    said cylindrical housing having a partition therein separating said housing into first and second cylindrical compartments;

    said partition having an opening therein providing communication between said first and second compartments;

    said cylindrical housing having a first end wall provided with at least one air aperture therein for providing air communication from said first chamber to the exterior of said housing, said housing having a second end wall opposite from said first end wall and provided with an opening extending therethrough;

    an elongated piston rod extending through said opening in said partition and having a first rod end within said first compartment and a second rod end within said second compartment;

    a first piston on said first end of said rod and dividing said first compartment into first and second chambers;

    a second piston on said second end of said rod and dividing said second compartment into third and fourth chambers;

    said first chamber being between said first end wall and said first piston, said second and third chambers being on opposite sides of said partition, and said fourth chamber being between said second piston and said second end wall;

    an elongated flexible member connected to said second piston and extending through said fourth chamber and through said opening in said second wall for supporting connection to said power line;

    spring means within said fourth chamber yieldably holding said second piston in a predetermined axial position within said second compartment;

    said opening in said partition being larger than said piston rod so as to provide limited air passage back and fourth between said second and third chambers during reciprocating movement of said piston rod and said first and second pistons within said housing.

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