TRAILER HAVING SELECTIVELY ELEVATABLE PLATFORM AND LADDER

摘要

ABSTRACT OF THE DISCLOSUREA platform is supported on a ladder structure for selectiveelevation on a post arrangement supported on a trailer provided withoutrigger devices. The ladder is part of the elevating pole structurewhich is pivotally elevated by a small manually operated winch. Thebottom of the pole is moved into a guide comprising opposed plates.The platform may be partly enclosed and provided with a top.