Patent ID: 9472433
Filing Date: 2016-10-18
CPC Classification: H01L

Claim Text:
1. A mounting port via which an article is relayed between a worker and a conveying apparatus or a processing device in a clean room, the mounting port comprising: an article mounting stand; an apparatus-side opening via which the conveying apparatus or the processing device transfers the article to and from the mounting stand; a passageway-side opening that faces a worker passageway; a pair of shutters provided at positions to open and close the apparatus-side opening and including arc-shaped plates or plates bent in an arc; and a swing mechanism configured to swing the pair of shutters between a state in which the apparatus-side opening is opened and a state in which the apparatus-side opening is closed; wherein the swing mechanism includes a driving axis provided at a position symmetrical with respect to the pair of shutters, a pair of shutter axes, a link mechanism configured to swing the pair of shutter axes along a same angle in opposite directions by rotation of the driving axis, and a pair of joining members that are attached to the pair of shutters and the pair of shutter axes and swing the pair of shutters about the pair of shutter axes; and the pair of shutter axes are provided at positions that are separated from each other and symmetrical with respect to the driving axis.