Patent ID: 7313975

Claim:
Apparatus for measuring the tension in a guy line having a lower end secured to a thimble adjoined by a connection pin to a yoke or clevis of a shackle bolt connected with an earth anchor, the apparatus comprising: a generally rectangular lower member having opposed ends and adapted to be removably installed on the shackle bolt beneath the yoke or clevis; a generally rectangular upper member having opposed ends and adapted to be removably installed on the guy line above said thimble including thimble engagement means for engaging said thimble; a first threaded rod assembly having an upper end releasably connected adjacent to one end of said upper member and a lower end extending through said lower member adjacent to a corresponding end thereof and projecting beyond said lower member, and an adjustment nut threadedly engaged on its said projecting end; a second threaded rod having an upper end releasably connected adjacent to an opposite end of said upper member and a lower end extending through said lower member adjacent to a corresponding opposite end thereof and projecting beyond said lower member, and an adjustment nut threadedly engaged on its said projecting end; strain gauge means in said first threaded rod assembly for producing an output tension signal; and a tension indicator connected with said strain gauge means; said adjusting nuts being rotated to draw said upper member downward to engage said thimble engagement means on the thimble and move it downward such that tension on the connection pin is relieved and the tension is transferred to said threaded rod and threaded rod assembly and sensed by said strain gauge means and displayed by the indicator device as units of force representing the strain or tension to which said apparatus is subjected.