Patent ID: 6902063

Claim:
A latching mechanism installed in a door of a wafer container and adapted to lock the door of the wafer container in a container body of the wafer container in an airtight status, the latching mechanism comprising: at least one cam, said at least one cam each having a center axle pivoted to the door of the wafer container and at least one first slot near a border thereof; at least one link, said at least one link each having a first end, a first stub rod located on said first end and coupled to said at least one first slot of said at least one cam, a second end, and a first pivot means located on said second end; at least one guide block fixedly located on said door, said at least one guide block each having a first guide structure; and at least one locking plate, said at least one locking plate each having a second pivot means pivoted to said first pivot means of said at least one link, and a second guide structure coupled to said first guide structure of said at least one guide block to guide movement of the respective locking plate relative to the respective guide block for enabling the respective locking plate to be slid along said first guide structure of the respective guide block into a part of said container body and then turned about said second pivot means to rotate said locking plate to withstand against said part of said container body and to hold down said door toward the inside of said container body and to lock said door in an airtight status; wherein said at least one link each further comprises an oblique slot; and said latching mechanism further comprises: at least one first transverse link, said at least one first transverse link each having a second stub rod located on a first end thereof and mounted with a second rotary member coupled to said oblique slot of said at least one link, and a third pivot means located on a second end thereof; at least one first side guide block fixedly provided at said door, said at least one side guide block each having a third guide structure comprised an other straight guide means and an other curved guide means; and at least one first side locking plate, said at least one first side locking plate each having a fourth pivot means pivoted to said third pivot means of said at least one first transverse link, and a fourth guide structure coupled to said third guide structure of said at least one first side guide block to guide movement of the respective side locking plate relative to the respective side guide block for enabling the respective side locking plate to be slid along said third guide structure of the respective side guide block into a part of said container body and then turned about said fourth pivot means to rotate said side locking plate to withstand against said part of said container body and to hold down said door toward the inside of said container body and to lock said door in an airtight status.