| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an automatic door device which can compulsively and more quietly position a door at a position even if it is the position to which the door should be compulsively moved or in the vicinity thereof. <P>SOLUTION: In an automatic door device having a compulsive drive mechanism 30, which positions a door 10 at a compulsive position, the compulsive drive mechanism 30 comprises: a cylinder 31a in which a piston is reciprocatably housed and which has pores formed in each of the both ends and opened to the air; a driving member 32 which is provided linear-movably along the cylinder 31a between a standby position Pw and an operation position Po; an energizing mechanism 33 which urges the driving member 32 toward the operating position; a receiving member 34 which is secured on the door 10 engageably with the driving member 32; a holding mechanism 35 which releasably holds the driving member 32 at the standby position Pw against the energizing force of the energizing mechanism 33; and a connecting mechanism 36a which connects the driving member 32 to a piston 311a in the cylinder 31a. <P>COPYRIGHT: (C)2012,JPO&INPIT |
