Sliding roller conveyor / Rolgang-pantograph, Poltava region.

The pantograph roller conveyor is a sliding (telescopic) roller conveyor that has a design in the form of a scissor-like mechanism that allows you to change the roller conveyor length depending on needs.

The main characteristics of the roller gang-pantograph:
Flexible length - can be stretched and compressed by hand;
(//tractor-service.com)
Mobility - often equipped withwheels for convenient movement;

Ease of storage — when folded, it takes up a minimum of space;

Purpose - used for moving boxes, boxes, packages atwarehouses, logistics centers, sorting stations