| 摘要 |
There is provided a new and useful garage door (12) opening/closing system (10) comprising a garage door (12) having top (32), bottom (34), and first and second sides (54, 56) and having a series of rollers (58) associated with the first and second sides (54, 56); a pair of door rails (14, 16) at the first and second sides (54, 56) of the door (12) for receiving the rollers (58) for movement of the door along the rails (14, 16), in a door opening path; at least one hinge part mounted on the door intermediate the first and second ends (54, 56); a central guide rail (18) extending outwardly from the plane of a closed position of the door (12) from a position above the top (32) of the door (12); a trolley (20) mounted on the central guide rail (18) for movement along the guide rail, the trolley (20) for operative connection to at least one hinge part; at least one cable drum (22) having a pair of cables (26, 28) thereon operatively associated with the trolley for moving the trolley (20) along the central guide rail (18); and operator means operatively associated with at least one drum for driving at least one drum.
|
