Abstract

A self-contained hoist device, rail device and hoist system for hoisting building materials, comprising a housing; and lifting beam extending from the housing; wherein a hoist motor for driving a winch provided with a hoisting wire and a battery pack for powering the hoist motor are arranged inside the housing, and a distal end of the hoisting wire is adapted to be attached to a fixing point above the self-contained hoist device, whereby operation of the hoist motor may cause the housing and lifting beam to be raised and lowered, respectively.

IPC Classes  ?

• B66C 7/04 - Trackway suspension
• B66C 11/04 - Underhung trolleys
• B66D 3/20 - Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
• B66C 1/02 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by suction means
• B66D 1/60 - Rope, cable, or chain winding mechanismsCapstans adapted for special purposes