<；P>；PROBLEM TO BE SOLVED: To provide automatic opening/closing door equipment which permits the passage of a person, a vehicle, etc. by making a sliding door automatically opened when the person, the vehicle, etc. get into/out of an entrance of a simplified greenhouse, and which makes the sliding door automatically closed after a lapse of a given period of time. <；P>；SOLUTION: A driving roller 5 for rotating in the state of riding on a rail 4 and generating a driving force for opening/closing the door, a compact motor 6 for rotating the driving roller 5, a controller for controlling the drive of the compact motor 6, and position detecting means 7 and 8 for detecting the fully-opened and totally closed positions of the sliding door 2 are installed in a casing 9 so as to constitute a unit 3. A mounting arm member 11 of the casing 9 makes the unit 3 mounted on the rearmost portion of the sliding door 2 in an attitude in which the driving roller 5 rides on the rail 4. A means for providing the small motor 6 with power supply, positioning means 12 and 13 for providing the position detecting means 7 and 8 with the fully-opened and totallyclosed positions of the sliding door 2, and opening instruction transmission means 14, 15 and 16 for providing at least an opening signal to the controller for controlling the drive of the small motor 4 are provided. <；P>；COPYRIGHT: (C)2010,JPO&INPIT
