Object maneuvering arrangement
AssigneeMegadoor AB
InventorLars Birger Lundstrom
Life of this patent
Estimating the term…
Abstract
A door maneuvering arrangement for opening and closing a door. The arrangement includes a line loop connected to a part of the door, a drive wheel, a motor for reversibly rotating the drive wheel and a plurality of guide pulleys for guiding the line loop. First guide pulleys are mounted in the vicinity of the drive wheel and cause a first line section of the line loop to bear on and extend in an omega-shape path around a first portion of the circumference of the drive wheel. Second guide pulleys are mounted in the vicinity of the drive wheel and caused a second line section of the line loop to bear on and extend in an omega-shape path around a second portion of the circumference of the drive wheel.
Claims6
A door maneuvering arrangement, comprising:
- a plurality of separate part loops adapted to be connected to opposing parts of a door;
- a drive wheel;
- means for reversible rotation of the drive wheel;
- a plurality of guide pulleys including first guide pulleys and second guide pulleys for guiding the plurality of part loops;
- said first guide pulleys being mounted in the vicinity of the drive wheel and causing a first part loop to bear on and extend in an omega-shaped path around a first portion of the circumference of the drive wheel;
- and
- said second guide pulleys being mounted in the vicinity of the drive wheel and causing a second part loop to bear on and extend in an omega-shaped path around a second portion of the circumference of the drive wheel.
Dependencies are inferred from the claim text.