LIFT CABIN SLIDING DOOR (VERSIONS) Russian patent published in 2005 - IPC

FIELD: mechanical engineering; sliding doors of lift cabins.

SUBSTANCE: according to invention, in both design versions sliding door driving and driven carriage travel synchronization mechanism is provided additionally with second guide secured on second driven carriage. First and second guide are arranged between pins of second driven carriage, being displaced relative to each other in height. Device for transmitting force to driving carriage includes L-shaped shifter with forked grip secured on driving carriage. Said grip engages with guide vertically secured on one of horizontal branches of closed flexible drive and arranged between cheeks of forked grip. Flange of L-shaped shifter is located higher than pins of driving and driven carriages travel synchronization mechanism. According to second design versions, as distinct from first design version, system of synchronization of travel of driving carriages of two groups of door wings is used. Said system is furnished with closed flexible drive installed parallel to outer side walls of driving carriages and is provided with upper and lower branches and two leading rollers. One driving carriage is connected with upper branch, and the other, with lower branch of closed flexible drive.

EFFECT: simplified design of sliding door.

13 cl, 11 dwg