A dolly assembly includes a dolly having an upper surface and a lower surface, and an aperture passing into at least the lower surface, and a ramp having an extension that extends beyond an edge of the ramp, the extension having at least one upward-facing ramp nub that, when positioned in the aperture, the ramp and the dolly are locked together as a unit.
Dolly assembly
2021-12-21
Patent
Electronic Resource
English