Simple and virtually indestructible, the pin and bush design is ideal for applications that involve safety, such as elevator drives or fire pumps. The fail-safe aspect of the design allows the coupling to be serviced at convenient intervals, should the elastomer become damaged.

The elastomer elements reduce vibration and dampen impact loads, as well as accommodate misalignment up to 0.5 degrees. The original bushing is a neoprene elastomer with a graphite impregnated bronze sleeve. These are still available, as well as a contemporary version of this concept: urethane bushings

Features :

  • Steel half bodies, strong yet compact
  • Heavy duty pin and buffer coupling – for heavy shock load conditions
  • Torsionally flexible – shock absorbing, extending machine life
  • Easy maintenance – minimum number of wearing parts; buffers can be changed without moving shafts
  • Misalignment capabilities – flexibility in installation
  • Polyurethane buffers – reliable, flexible and temperature-resistant
  • Modular construction – available in coupling, brake drum and shear pin designs

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