Doughty Swivel Coupler - Atom Clamp, (Cheeseboro)

Doughty Swivel Coupler - Atom Clamp, (Cheeseboro)

The Doughty Swivel Coupler - Atom Clamp is a versatile Cheeseboro-style clamp designed to create fast and secure connections between adjacent bars of smaller diameters at any angle, offering full 360-degree swiveling capability. Whether you're bracing a truss or supporting lightweight rigging systems, this coupler delivers dependable performance in demanding environments.

Constructed from high-tensile Aluminum Extrusion, this swivel coupler is compatible with round tubing and truss chords ranging from 1'', 1.25'', 1.38'' to 1.5'' in diameter. It is widely used across theatre, film, television, and photographic applications where accuracy, safety, and flexibility are essential.

The Atom Clamp series also includes other variants such as Parallel and 90-Degree Fixed Couplers, offering additional mounting solutions for varied rigging requirements. For any questions or custom applications, please contact us via chat.

Downloads:

User Manual

Key Features:

• Enables secure, 360-degree swivel connections between adjacent bars
• Ideal for bracing truss structures or supporting angled rigging configurations
• Compatible with 1'', 1.25'', 1.38'' and 1.5'' diameter tubes or truss chords
• Made from robust high-tensile Aluminum Extrusion for strength and durability
• Available in Black or Polished Aluminum finishes

Specifications:

• SWL: 220.5 lbs
• Tube Diameters: 1'', 1.25'', 1.38'' and 1.5''
• Tube Center: See the individual technical data sheets
• Material: Aluminum
• Finish: Black or Polished Aluminum

References:

• Doughty Parallel Coupler - Atom Clamp
• Doughty 90 Degree Fixed Coupler - Atom Clamp
• Technical Datasheet

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.