The Dolly Clamp was engineered around load stability, controlled mobility, and independent use. Instead of a centralized dolly, we designed four independent clamp units to distribute weight evenly across furniture corners, reducing tipping risk and improving balance. A wedge interface increases contact area and minimizes stress on finished surfaces. By separating wheel engagement from clamping force, the system maintains stable vertical load support whether the caster wheels are deployed or not. The design supports up to 500 lbs and is optimized for furniture under four feet.

To eliminate lifting, we developed a kick-down lever mechanism that allows users to clamp the unit securely, step to deploy the wheels, and move the furniture safely. This separation of lifting and actuation forces significantly reduces physical strain. A locking mechanism prevents unintended rolling, reinforcing both safety and user confidence.

Given Rockler’s primarily 55+ customer base, ergonomic considerations were central. A large-diameter vertical handle improves torque transfer while reducing grip strength requirements and wrist strain. These refinements were directly informed by iterative user testing.

The modular architecture supports scalability, uses off-the-shelf caster components to manage cost, and aligns with Rockler’s existing manufacturing ecosystem, targeting a ~$64 price point. The final prototype demonstrated stable load support, controlled mobility, and true single-user operation—transforming heavy furniture into a temporary mobile system without compromising structure or aesthetics.