A shelf apparatus for a showcase includes a shelf plate; a shelf support for supporting the shelf plate; and a connecting member having a movable portion and a fixed portion connected to the shelf plate and the shelf support, respectively. The movable portion has a hard locking member, and the shelf...http://www.google.fr/patents/US6866352?utm_source=gb-gplus-shareBrevet US6866352 - Shelf apparatus for showcase
