Support pillars for vehicle trailer convertible into trading stall

摘要

The drive for the support pillar consists of a combined crank and chain gear. The chain gear and at least the parts connecting the chain and crank gears are located inside the pillar sections (8a,8b), or at least partially protrude inside. The crank gear (13,14) is attached on the lower pillar section (8a) beneath the upper edge of the counter. The lower chain wheel of the chain gear is attached on the shaft of the crank gear protruding inside the lower pillar section.