Patent ID: 8910922
Filing Date: 2014-12-16
Classification: B66C,E04F

Abstract:
1. A portable crane for installing and removing windows comprising: a wheeled base with a platform having front and rear ends; a boom support assembly removably fastened to the wheeled base, wherein the boom support assembly includes an elongate support member having a bottom end removably fastened to the wheeled base and having a top end, the elongate support member extending upwardly from the platform, wherein the boom support assembly further includes elongate guide members each having a bottom end removably fastened to the wheeled base with the elongate guide members extending upwardly from the platform, wherein the elongate guide members are disposed parallel to each other and are arranged to form a space therebetween; and a boom assembly supported by the boom support assembly, wherein the boom assembly includes an elongate boom having a back end pivotally attached to the top end of the elongate support member.