| 摘要 |
<p>An electrically driven entryway activation system for opening and closing twospaced swinging doors hung on spaced rotating parallel door posts comprisesa base plate extending between the door posts. Levers attached to each door postrotate in a plane parallel to the base plate. A low profile actuation system spacedbetween the levers comprises a center post, a sector gear journaled on the centerpost for rotation parallel to the base plate, and a low profile gearmotor mountedbetween the base plate and the sector gear. A low profile emergency manual mechanismis provided for unclutching the output pinion gear of the gearmotor.</p> |
