Floating fastener with expanded application flexibility

A floating fastener, comprising:

• a mounting base member adapted for bonding to a first plate member, said mounting base member comprising an open space extending through opposing top and bottom sides thereof, a first accommodation chamber formed of an upper part of said open space, a second accommodation chamber formed of a lower part of said open space, a partition wall transversely disposed in said open space between said first accommodation chamber and said second accommodation chamber, a through hole cut through said partition wall in communication between said first accommodation chamber and said second accommodation chamber;
• and
• a fastener mounted in said mounting base member and fastenable to a second plate member to lock said first plate member to said second plate member, said fastener comprising a locking member inserted through said open space of said mounting base member, said locking member comprising a bottom locking end piece for fastening to said second plate member to lock said first plate member to said second plate member, a top connection end piece for the fastening of a fastener at a third plate member to secure said third plate member to one side of said first plate member opposite to said second plate member and a locating flange extending around the periphery thereof between said top connection end piece and said bottom locking end piece, a knob fixedly fastened to said locating flange and axially slidably coupled to the periphery of said mounting base member for operation by a user to fasten said locking member to said second plate member, and a spring member mounted around said locking member inside said knob and stopped between said locating flange of said locking member and said partition wall of said mounting base member.