US Patent 8967592 Lifting system for display cases

A lifting system for shelves and store gondolas which provides for a deflective contact engagement of the upright posts of the frame of the shelving which supports the load on engaged shelves and products. The device features a dolly and extending members having an opening on distal ends to contact the post in a removable engagement. Tapers on the members provide for deflection of any kickplates blocking the members from engagement to the posts. The dollies may be employed in a plurality around the shelf and engaged with connector bars between them for a unified movement of the dollies elevating the shelf.