High speed overhead door

An overhead door for covering a door opening, the overhead door comprising:

• door blade with a plurality of panels, said door blade being movable within a frame between a vertical, closed position and a horizontal, opened position;
• the frame comprising a double-sided vertical track and a horizontal track connected by a connection portion and by a belt associated with one side each of the said frame and configured to lift the panels from said vertical position to said horizontal position;
• and
• a driver configured to drive simultaneously the plurality of panels,
• wherein the driver comprises a conveyor belt system adjacent the horizontal track, said conveyor belt system being powered by a drum and being, at least in said horizontal position of said door blade, in engagement at least partially with the door blade;
• and
• a first blade spring assigned in longitudinal direction to a first end of said drum and a second blade spring assigned in the longitudinal direction to a second end of said drum.

An overhead door for covering a door opening, the overhead door comprising:

• a door blade with a plurality of panels, said door blade being movable within a frame between a vertical, closed position and a horizontal, opened or overhead position;
• the frame comprising a double-sided vertical track and a horizontal track connected by a connection portion and by a belt associated with one side each of the said frame and configured to lift the panels from said vertical position to said horizontal position;
• and
• a driver configured to drive simultaneously the plurality of panels, wherein the driver comprises a conveyor belt system adjacent the horizontal track, said conveyor belt system being, at least in said horizontal position of said door blade, in engagement at least partially with the door blade, and
• said conveyor belt system comprising at least one cogwheel, a conveyor belt, a chain and a plurality of wheels.

An overhead door for covering a door opening, the overhead door comprising:

• a door blade with a plurality of panels, said door blade being movable within a frame between a vertical, closed position and a horizontal, opened or overhead position;
• the frame comprising a double-sided vertical track and a horizontal track connected by a connection portion and by a belt associated with one side each of the said frame and configured to lift the panels from said vertical position to said horizontal position;
• and
• a driver configured to drive simultaneously the plurality of panels, said connection portion comprising a guideway with a disc, at least one wheel, a support belt and a curve guiding.