A hand truck features a slidably attached shelf unit that engages vertical members at selected points to support objects.
Independent motors drive each storage level's cloth puller to reduce manual effort and enable single-operator baking.
Foldable receivers secure flat screens in hanging configurations, eliminating shifting loads and reducing material waste during transport.
Spring-loaded engagement members adapt to various hand truck frames, eliminating the need for multiple specialized strapping devices.
A motorized roller dolly system lifts wheeled transport devices off the ground to enable powered movement.
Inclined slide rails on a square trolley frame lift the unit onto E-shaped trailer ramps via gravitation, eliminating complex powered lifting devices.
A spring-biased linkage system adjusts the inclined angle of a handcart limit board.