Patent ID: 8141283
Filing Date: 2012-03-27
Classification: G09F

Abstract:
1. An electronic shelf label comprising: a case part having a predetermined-sized inner space and comprising an upper case and a lower case that are removably attached to each other; a display part disposed in the case part and displaying information about a product; and a locking device part disposed in the case part and performing catching and releasing operations only through a predetermined key to attach and detach the case part from a rail of a shelf, wherein the locking device part comprises: a first catch part comprising: one or more first protruding parts in contact with the key, along a first body part; and a first catch protrusion integrally provided through a first elastic part in an upper portion of the first body part, the first catch protrusion being caught and fixed to a rack of the shelf; and a second catch part comprising: one or more second protruding parts in contact with the key, along a second body part; and a second catch protrusion integrally provided through a second elastic part in an upper portion of the second body part, the second catch protrusion being caught and fixed to the rack of the shelf.