Lift for assisting installation of metal part e.g. frame, at height in building site, has support that is arranged interdependent of fixed part of barrel, where extension of barrel is produced by operating mechanism

摘要

The lift has an extensible barrel (1) and a support (2) that is arranged interdependent of a fixed part of the barrel. A fixing system (5) is fixed on a moving part of the barrel, and an extension of the barrel is produced by an operating mechanism (7). The barrel includes a pantograph (8) that is arranged with a set of low branches. The operating mechanism is actuated manually by a crank, where the operating mechanism is motorized. A set of tubes is allowed to slide with regard to each other, and a fixing system is arranged with two hooks.