Patent ID: 8282742

Claim:
An industrial vacuum system, comprising: a portable container having a bottom and an open end; an extension unit having a first end operatively connected to the portable container and a second end that is selectively extendable away from the portable container; a collection unit rotatively coupled to first ends of the extension unit; a transportation unit coupling the extension unit to the container, the transportation unit having one end rotatively coupled to the end of the extension unit the transportation unit including a plurality of wheel units; and a trolley guidance unit having a rail attached to the bottom of the container and engaging the wheels of the wheel unit, wherein, the collection unit and extension unit completely move into the portable container via the transportation unit, the rails of the trolley guidance unit include a shelf having an upper surface and a lower surface, and the wheel units include at least two upper wheels in contact with the upper surface of a transportation guidance unit and at least two lower wheels in contact with the lower surface of the shelf.