| 摘要 |
An automatic sliding door power drive assembly (1) having : a straight load-bearing longitudinal member (2) designed to be rigidly fixed substantially horizontally to a wall (P), above the opening to which the sliding door (100) is fitted; at least one shutter-supporting carriage (3) mounted to run along the longitudinal member (2), parallel to the longitudinal axis (L) of the longitudinal member, and designed to be rigidly fixed to the body of a corresponding sliding shutter (101) of the sliding door (100); and carriage driving means (4) fixed to the longitudinal member (2) and designed to move the at least one shutter-supporting carriage (3) back and forth along the longitudinal member (2); the load-bearing longitudinal member (2) having a first straight section bar (10) designed to be rigidly fixed directly to the wall (P) in a substantially horizontal position; and a second straight section bar (11) designed to support the at least one shutter-supporting carriage (3) and the carriage driving means (4), and to engage onto and rest by gravity stably in abutment on the first section bar (10). |
