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The Doughty Lightweight Swivel Coupler provides a firm and fast fixing between adjacent bars whilst allowing 360 degrees of movement.
Constructed from high tensile Aluminum Extrusion, the Doughty Lightweight Swivel Coupler is sturdy enough to support a maximum load of up to 1102 lbs. Having only 57% of the weight of the standard version, this Swivel Coupler is suitable for lightweight installation. Broadly applicable in the theatre, film, TV and photographic industries. An Ultra Lightweight version is also available.
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Doughty Engineering is a UK-based entertainment equipment manufacturer and began the manufacture of products in 1985. Now, it is one of the world’s leading manufacturers of rigging, suspension and lifting equipment for film/TV, theatre and concert halls.
Quality and safety are key issues for Doughty. As a member of ESTA (Entertainment Services and Technology Association) and PLASA (Professional Light and Sound Association), it adheres strictly to the standards of trading expected.
What is a Cheeseboro? Cheeseborough clamps aka Cheeseboro, Scaffold Clamps, Couplers, Swivels and even Cheese-burger or Burger Clamps. The name is believed to derive from the Chesebro-Whitman manufacturing company of New York. The devices are used for connecting iron pipes or aluminum tubes. They come in two styles; rigid (aka fixed 90¡) or Swivel.