COLLAPSIBLE HOISTING DEVICE FOR USE IN THE CONSTRUCTION OF LARGE METAL CONTAINERS, AND REMOVABLE ACCESSORY APPLICABLE THERETO.

摘要

The invention relates to a collapsible hoisting device for use in the construction of large metal containers and to a removable accessory applicable thereto, characterized in that it facilitates construction procedures by reducing project times and costs. The collapsible device includes a column (2) along which respective upper bodies (6) and lower bodies (7) that have been inserted into said column (2) move, said bodies (6, 7) being linked by an extendable means (8), and said upper bodies (6) and lower bodies (7) having a corresponding means of locking or attaching (9) to said column (2); said column (2) being mounted so that it pivots with respect to a base (1) and said upper body (6) having a housing (609) suitable for the insertion of a removable, fingernail-shaped accessory (12).