Special tool

Claim 1

A tool for use in conjunction with energized high voltage electric circuits, said tool comprising an elongated tubular element formed of insulating material, a housing structure having a pair of angularly related intersecting passages one of which is secured to and coaxial with one end of said elongated tubular element, an elongated tubular drive shaft formed of insulating material and rotatably mounted within said tubular element and provided with a hand driven end portion projecting out of said tubular element at the end thereof remote from said housing structure, a bevelled driving pinion rotatably mounted in said one passage and having a stem portion secured to the adjacent end of said drive shaft, a bevelled driven pinion rotatably mounted in the other of said passages in cooperating relation with said driving pinion and having a stem portion arranged to project out of said other passage, a coupling element secured to and rotatable with said stem portion of said driven shaft, low friction bushing means including a pair of telescopically related bushings the outer one of which is fixedly secured within said one passage and the other of which is disposed about the stem of said driving pinion and a sleeve fixedly mounted within said drive shat at the end thereof which is adjacent said one passage, said sleeve being rotatable with said drive shaft, said stem portion of said driving pinion being fixedly mounted within said sleeve and being rotatable therewith.